1898
Westchester is annexed from neighboring New York City and begins to govern itself independently.
1898
Marie Curie discovers Radium while studying mineral samples. Without this important discovery, many of today’s advanced medical innovations, such as the MRI, would not exist.
1898
Westchester Before Hospitals
1899
Aspirin is developed.
1900
The major blood groups are identified, and a system is developed to classify blood into A, B, AB, and O groups.
1906
Wealthy New Yorkers start vacationing in Northern Westchester and the community begins to raise $12,500 for a hospital that will serve Pleasantville, Chappaqua, Armonk, Bedford, Bedford Hills, Katonah, North Salem, South Salem, Pound Ridge, Purdys, Goldens Bridge, Yorktown Heights, Somers and Mt. Kisco.
1907
Yonkers resident Leo Baekeland invents one of the world’s first plastic polymers. These same plastics are used to make many of the life saving instruments found in hospitals today, including surgical gloves, catheters, & intravenous tubes.

1898-1915

1916
1916 Northern Westchester Hospital Opens
1918
At its height, The Spanish Flu kills as many as 213 New Yorkers a week. Northern Westchester Hospital becomes a hub for treating this deadly disease.
1920
To accommodate the needs of the growing population, the Hospital’s board approves the purchase of the former Joseph Moore property on the corner of Moore and E. Main Street.
1920
This year the Hospital cares for 664 patients.
1921
At this point the Hospital is still heated by a coal furnace.
1921
Its discovered that a Vitamin D deficiency causes rickets.
1921
The first Tuberculosis vaccine is completed.
1922
X-Ray Technology
1922
William Sloane, the first President of the Hospital, passes away and leaves a generous gift. This gift provides for a new maternity facility with a delivery room and new accommodations for patients.
1923
School children are successfully vaccinated against Diphtheria.
1924
A revolutionary new Band-Aid is mass-produced by Johnson and Johnson.

1916-1924

1925
A new and expanded facility at Moore and E. Main Street brings the Hospital’s capacity to 50 beds, and makes room for the new Laboratory and Radiology departments.
1925
The Bronx River Parkway is completed, and Westchester begins to become less rural and more suburban. The population continues to rise.
1925
This year the Hospital cares for 1255 patients and delivers 195 newborns.
1928
Penicillin, the world’s first antibiotic, is discovered.
1929
This year the Hospital cares for 2,363 patients and delivers 320 newborns.
1930
Despite the economic obstacles of the Great Depression, Northern Westchester Hospital manages to thrive as a resource for the community – providing care for patients regardless of their ability to pay.
1933
The first large-scale tests of the Typhus vaccine are performed.
1934
Successful vaccinations for Whooping Cough take place.
1937
The first vaccine for Yellow Fever is discovered.
1938
The first vaccine for Influenza is developed.

1925-1938

1939
Mr. Carll Tucker, President-elect of NWH, leads the Hospital through difficult times as it faces a shortage of doctors and nurses because of World War II.
1942
One of the first papers on medical ultrasonics is published.
1942
The first Tetanus vaccine is proven effective when it is administered to soldiers during WWII.
1945
Lady Gabriel, Mrs. R. Stewart Kilborne and others, become the first women elected to Northern Westchester Hospital’s Board of Trustees.
1945
Twigs of NWH, an all-volunteer, non-profit organization is founded. It is dedicated to raising funds for Northern Westchester Hospital and to providing comfort items for patients. To date, they are celebrating over seventy years of continuous operation, over fifty years of raising funds through the Thriftree Thrift Shop, and the donation of more than $3 million to the hospital. Today, there are more than 165 members.
1946
The Mount Kisco Medical Group (MKMG) is formed, bringing multi-specialty physicians to the area. Today, the practice has grown to over 500 experts within 40 specialty practices.

1939-1948

1949
Recovery Rooms
1951
The artificial pacemaker is developed.
1952
The Polio vaccine is developed.
1955
The construction of the Tappan Zee Bridge increases travel between New York and Westchester County.
1956
A prototype of the Ultrasound Machine is developed, the designs are based on an instrument used to detect industrial flaws.
1956
The post-war baby boom leads to record newborn deliveries. Because of the growth in population during this time, the hospital only admits urgent and emergency care patients.

1949-1960

1960
Candy Striper Program
1962
A new nursery is constructed.
1965
Westchester County is plunged into a blackout due to a massive power failure in the New York area. The warmth and dedication that prevail at NWH demonstrate the intrepid spirit of the staff.
1967
The first successful human heart transplant is performed.
1971
A vaccine protecting against Measles, Mumps, and Rubella (MMR) is developed.
1973
Readers Digest
1974
The vaccine for chickenpox is created.
1974
The Hospital establishes a Radiology department with a newly installed Ultrasound machine, and a 24-bed Psychiatric unit is created.
1975
The CT-Scan is developed which significantly advances medical imaging technology.

1960-1975

1978
The first child conceived by In Vitro Fertilization is born in the United States.
1980
After a 14 year effort, Small Pox is eradicated. It is the first disease to be fought on a global scale. This victory is a standing testament to the power of modern medicine.
1981
Northern Westchester Hospital establishes the Ambulatory Surgical Center (ASC), which provides same-day surgical care, including diagnostic and preventative procedures.
1983
In 1983, after the unanimous endorsement of the Interfaith Northern Westchester Clergy Association and the Board of Trustees at NWHC, the concept of establishing a Chaplaincy program as part of total patient care at Northern Westchester Hospital Center was approved. On June1, 1983, The Reverend Henry R. Schriever was appointed as first part-time Chaplain. The Rev. Donald J. Heringa commenced his role as permanent, full-time chaplain for NWHC in 1985.
1983
Doctors identify HIV, the retrovirus responsible for causing AIDS.
1985
The Northern Westchester Hospital Pediatric and Obstetrical departments become one of five centers in New York affiliated with the Perinatal Network of Babies Hospitals.
1985
The world’s first artificial kidney dialyses machine is developed.
1987
A Senior Care Services Center is opened in Mt. Kisco to deal with issues unique to people 55 and over.
1990
The Hospital purchases more groundbreaking technology. First, a Nucletron Remote High Dose Rate Afterloader for targeting radiation treatments, then a Laparoscopic Cholecystectomy System for minimally invasive gallbladder surgery.
1991
This year the NWH maternity wing is the busiest in Westchester County, delivering over 1,900 newborns.
1991
NWH implements PYXIS solutions, an innovative pharmaceutical distribution and management system that provides access to the right medication ordered by the physician, for the right patient, at the right time. This safety advantage for NWH patients is offered at one of the first community hospitals in the country.

1976-1991

1992
Northern Westchester Hospital's campus becomes smoke free.
1996
Dolly the sheep becomes the world’s first clone.
1996
Northern Westchester Hospital opens its Breastfeeding Resource Center, and begins to offer other family resources such as childbirth classes.
1996
Northern Westchester Hospital becomes the first community hospital in Westchester County to offer radioactive seed implants (internal radiation therapy) for the treatment of prostate cancer.
1997
Northern Westchester Hospital finishes a remodel of the visitors’ reception desk, gift shop, and creates a meditation room.
1997
Northern Westchester Hospital completes renovations on a new 15-bed behavioral health unit.
1998
The Institute of Aesthetic Surgery and Medicine opens. Located in the 7,000 square foot space on the 2nd floor of the North Building, it is the only hospital-based ambulatory cosmetic surgery center in the region.
1999
The Breast Institute opens at NWH, offering stereotactic breast biopsies and other minimally invasive approaches to treatment. This nationally accredited breast center provides high-quality comprehensive care with a multidisciplinary approach to breast cancer treatment and breast health.

1992-1999

2000
The Institute for Neurosciences and Center for Minimally Invasive Neurosurgery opens.
2001
Joel Seligman is hired by the Board, led by Frank Brosens, Carll Tucker and Thomas Gardner.
2001
NWH begins its pediatric hospitalist program to ensure that young patients are under the care of a board-certified pediatric specialist 24-hours a day, 7 days a week – from the Emergency Department to the pediatric unit.
2001
In 2001, the President's Council was formed. Comprised of local, civic community and business leaders, the President's Council provides NWH administration with a direct link to the community it serves, giving feedback and advice on healthcare issues that resonate in the community.
2001
$2.5 million is raised for improvements to Maternal and Child Services.
2002
Anesthesiologists begin working in conjunction with other hospital physicians to provide anesthesia for surgery and obstetrics, including 24-hour in-house coverage for emergency surgery and obstetrical analgesia and anesthesia.
2002
NWH opens a Nuclear Cardiology facility in Brewster, bringing non-invasive Nuclear Stress Testing to our nearby communities enabling NWH and our Cardiologists expanded services, while providing patient care close to home.
2002
A four million dollar expansion enlarges the nursery and NICU space from 1600 to 4800 square feet as part of NWH's Level III Perinatal Program.
2002
NWH establishes the Intensivist Program in the Intensive Care Unit, a professionally-staffed, patient-centered program that provides 24 hour critical care services for critically-ill patients.
2003
The Integrative Medicine Program is established, funded by a philanthropic gift, with a robust offering of complimentary modalities and therapies that promote the well-being and healing process of the whole patient – body, mind, and spirit.
2003
NWH acquires PACS, a picture archiving and communications system that allows fast access, 24 hours a day, 7 days a week, to digital radiology scans – delivering precise images immediately to experts anywhere.
2003
The Laurie Bass-Slaver Infusion Center opens at the Cancer Treatment & Wellness Center at NWH.
2003
NWH partners with the Katonah Museum Artists’ Association, hosting two six month exhibitions each year, featuring local artist collections on the walls throughout the Hospital corridors supporting its goal of art for healing.
2003
Northern Westchester Hospital partners with the Open Door Family Medical Center, an organization committed to providing comprehensive primary care to individuals and families who do not have adequate health coverage and face other barriers to care.

2000-2003

2004
The Gamma Knife Is Introduced At NWH
2004
A nursing endowment established by Lisa and Mark Schwartz, providing opportunities for continuing clinical education.
2004
NWH Cancer Center opens with top oncologists and surgeons who excel in treating an extensive list of cancers, including those of the breast, spine, bone, lungs, brain, and digestive system. The technologies we use, including the Gamma Knife, are the most effective available.
2005
The 10-Bed Neonatal Intensive Care Unit (NICU), is re-designated by NY State as Level III, the highest level for a hospital in New York State. The NICU is equipped to stabilize and treat most life-threatening emergencies and illnesses in premature or sick newborns.
2005
Digital Record
2006
The Ken Hamilton Caregivers Center is established by Marian Hamilton, offering a supportive and tranquil atmosphere for family caregivers. Offering support from a dedicated social worker and a team of over 30 trained volunteer caregiver coaches, KHCC mission is to be an oasis for the family caregiver - a place to rest, find resources and support, reflect and refuel.
2007
The Gastrointestinal Clinic is created in cooperation between NWH and committed staff to provide consultation, endoscopic services, and management for a variety of gastrointestinal conditions to uninsured members of the community. To date, NWH has provided over 450 surgeries free of charge.
2008
The hospital focuses on the growing problem of high sodium intake and chronic disease. This year, Northern Westchester Hospital Dietitians consult with 186 patients interested in living a healthier lifestyle.

2004-2008

2009
Northern Westchester Hospital introduces a new educational program to help curb the spread of infectious diseases. This hand-washing initiative reaches students in schools throughout northern Westchester.
2009
The hospital sponsors an array of new health initiatives for children, including the Running Club for kids and Healthy Kids NOW.
2009
The da Vinci® Surgical System
2010
In 2010, NWH begins in concierge program, welcoming all patients and families to each unit while coordinating admissions, electronic charts, transfers and discharges as well as ensuring that all patients have a follow-up appointment with their primary care physician. Acting as NWH liaisons, each concierge provides a fond farewell to each visitor, even providing a “Goodbye Banana Bread” from our home to yours.
2010
Northern Westchester Hospital opens an Ambulatory Care Center at Chappaqua Crossing (formerly the Reader’s Digest Headquarters) to offer extensive outpatient rehabilitation services and advanced wound care to serve those in the community. This allows for the growth of acute care services, such as Radiology, Endoscopy, and Surgical Services on the Hospital’s main campus.
2010
Established in 2010, NWH unveils the Art Cart, created by long time Chappaqua resident, Vicki Feiner. The program allows patients to select therapeutic and soothing art work to display in their respective rooms.
2010
Planetree Designation
2011
NWH announces new services for genetic counseling and genetic testing to provide counseling relating to the likelihood of hereditary cancer syndromes.
2011
The Northern Westchester Hospital’s Teaching Kitchen opens to teach patients who have suffered a cardiac event how to adopt healthier behaviors and to make delicious and healthy cuisine.
2011
The Music Therapy Program at NWH is established, winning the National Best Practice Award in Integrative Therapies. Provided by generous philanthropic support, certified music therapists participate in a variety of patient settings addressing physical, emotional, cognitive and social needs.
2011
Mary & David Boies Emergency Department

2009-2011

2012
NWH, in cooperation with Neighbors Link and the Mount Kisco Police Department, develops a cultural sensitivity training program entitled Building Cultural Competence: A Community-Wide Initiative designed to increase cultural awareness in order to build positive relations with immigrant communities.
2012
NWH opens Yorktown Imaging, a full-service Imaging Center with state-of-the-art technology such as CT, MRI, Digital Radiography, Ultrasound as well as a Womens Imaging Center, complete with Breast Surgeons and Breast Specialists.
2012
Magnet Distinction
2012
NWH establishes clinics for Surgery and Orthopedics providing a continuum of care to the uninsured in Northern Westchester. All types of general surgeries are performed.
2012
NWH receives designation from the American Society for Metabolic and Bariatric Surgery for the Bariatric Surgery Center of Excellence®. The program recognizes surgeons and facilities that demonstrate an unparalleled commitment and ability to consistently deliver safe, effective, evidence-based quality care and patient safety while focusing on advanced minimally invasive surgical procedures.
2012
The "NWH Food is Care" program begins and patients are able to order quality, healthy meals and snacks any time; keeping food simple, healthy and giving patients choice, control and nutrition-packed meals that taste great.
2013
NWH becomes the first hospital in New York to perform Radioactive Seed Localization (RSL) for Breast Lesions, localizing suspicious tissues for excision with the use of radioactive seeds. RSL can be performed up to 5 days before surgery, minimizing schedule conflicts and maximizing patient comfort.
2013
NWH receives the American Heart Association/American Stroke Association’s Get With The Guidelines®-Stroke Gold Plus Quality Achievement Award, demonstrating its commitment to being a top hospital providing aggressive, proven stroke care.

2012-2013

2014
NWH installs sophisticated 3D Mammography also called tomosynthesis, which creates a 3-D picture of the breast using X-rays and increasing breast cancer detection rates by more than 40 percent.
2014
In a continuing effort to provide quality patient-centered care, bedside tablets are placed in all patient rooms throughout NWH. Using the Patient Access Tablet (known as P.A.T.), patients learn about their Care Team, Medication information, vitals/labs, diet and more. P.A.T. also serves as a language/sign interpreter, allows patients to make special requests for integrated medicine, pastoral care and housekeeping services and offers multiple entertainment options.
2014
O-arm® Surgical Imaging with StealthStation® Navigation is made available at Northern Westchester Hospital. This advanced technology, used for spine surgery, improves surgical outcomes and patient safety.
2014
The Palliative Care Program begins, including physicians, nurses, pain management specialists, social workers, pastoral care, and integrative medicine professionals who work with patients and their families to relieve or reduce pain and suffering and to enhance the patient’s quality of life from the time of diagnosis onward.
2015
Sharing the future
2015
Transitional Care Unit is awarded 5 stars by The Centers for Medicare and Medicaid Services (CMS) for quality of care that is considered much above average.
2015
NWH becomes a designated training Epicenter for robot-assisted Colon and Rectal Surgery. Fewer than 20 sites in the United States have received this designation -- those with the deepest experience in da Vinci Surgery in the world. Northern Westchester Hospital has trained physicians from the northeast and will now be training surgeons from around the country in robotic colon surgery.

2014-2015

2016
NWH and Westchester Land Trust form a partnership to promote wellness and access to nature. A first in the region, this partnership between health provider and conservation organization invites children and adults to learn about the merits of diet and exercise for both physical and mental well-being.
2016
The Physical Therapy Department at Chappaqua Crossings acquires the Anti-Gravity (Alter G) treadmill, a state-of- the-art piece of equipment that allows patients to unload their body weight up to 80% and feels as though you are walking on the moon. This unloading effect, allows patients to resume activity earlier and also workout longer in a safe, controlled environment.
2016
In 2016, NWH unveiled the first phase of the Surgical Services Department Modernization Project, a $36 million renovation creating 42,000 sf of clinical sophistication and rapid surgical advancements. In 2015, 154 surgeons performed over 9,000 cases at Northern Westchester Hospital, of which 570 involved our two Da Vinci robots. NWH will continue to perform complex and leading-edge surgical procedures and are now equipped for future surgical advancements.
2016
NWH's President’s Junior Leadership Council (PJLC) sets its sights on addressing anxiety in students in a newly launched campaign designed to help students recognize the stressors that they often face. The PJLC, comprised of high school students, is committed to improving the health, safety and well-being of adolescents and young adults in Northern Westchester and members serve as ambassadors to the community conducting outreach, prevention and wellness programs.
2016
Celebrating ten years since it's inception, the President's Junior Leadership Council is comprised of local high schools students who seek exposure to the medical field and facilitate continuous peer dialogue and community service projects surrounding relevant health issues affecting their fellow students.
2016
New to Westchester, Northwell-GoHealth Urgent Care center opens as part of 21 care centers operating and treating patients across Long Island, Queens, Manhattan, and Staten Island. Open 365 days a year, Northwell-GoHealth plans to open 40-60 centers in the next two years, providing immediate care for non-emergency illnesses and injuries with onsite X-ray and laboratory services.
2016
Northern Westchester Hospital is awarded National Planetree Re-Designation as a Patient-Centered Hospital with Distinction. The unanimous decision by the committee came after a comprehensive review of the application and an extensive site visit. NWH originally received Designation in 2007as one of 5 hospitals in the nation. There are now 30 hospitals in the US that have achieved Planetree Patient-Centered Designation and only 7 that have obtained Planetree Designation with Distinction.
2016
Did you know that until 1965, a male spouse was not allowed into a labor and delivery room? Thanks to past Board member Frank Duffy, that all changed when he became Board Chair and wanted to see his very own baby being born. Duffy was among 20 past members who were welcomed back to NWH for the Centennial Board of Trustees Reunion. The event was a chance to honor and celebrate the leadership that has helped make NWH a place of excellence.
2016
3-D Bioprinting, developed by researchers from the Feinstein Institute for Medical Research, part of Northwell Health, was the recipient of $100,000 in funding for a project that utilizes three-dimensional printing to create bodily organs. Researchers envision a future with 3-D printers in every one of our emergency rooms, where doctors are able to print emergency implants of organs and bones on demand and revolutionize the way medicine is practiced.
2016
Northern Westchester Hospital is the 1st hospital in Westchester County to welcome a baby in 2016. Nelson Garcia was born at 2:10 a.m. on January 1, 2016, to proud parents Marinel Garcia and Nelson Bautista of Mt. Kisco, New York. Nelson is the first of nearly 9,000 babies born here at NWH in 2016 and one of the first of more than 40,000 babies who will be delivered at Northwell Health hospitals in the coming year. Northwell hospitals account for 17 percent of all births in New York State and 1 percent nationwide.
2016
New Operating Rooms
2016
The Ken Hamilton Caregivers Center at NWH, with a mission to help caregivers manage stress and complex issues that arise, celebrates 10 years. Today, the Center is replicated and operating within 11institutions, including Montefiore Hospital and the Hospital of the University of Pennsylvania.
2016
North Shore – LIJ Health System becomes Northwell Health.

2016