Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Jonathan Gamss, MD

Individual provider Internal Medicine Physician · NPI 1598922874

Jonathan Gamss, MD is an Emergency Medicine in Mount Kisco, New York. Qualified in 2004, 22 years ago. Practices with Rwjbh Emergency Medicine Associates, LLC, a 807-clinician group, works from 5 locations, accepts Medicare assignment and offers telehealth. Licensed in Colorado, Florida, New Jersey and New York.

Years since qualifying
22
Licensed in
CO, FL, NJ, NY
In the registry since
2008
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

400 E Main St Northern Westchester Hospital
Mount Kisco, NY 10549-3417
Phone: (914) 666-1680
Fax: (914) 666-1965
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 10465 Melody Dr Ste 123, Northglenn, CO 80234-4101 — (718) 819-6144
  • 15310 Amberly Dr # 66, Tampa Palms, FL 33647-2199 — (718) 819-6144
  • 391 E 149th St Ste 403, Bronx, NY 10455-3907 — (718) 819-6144
  • 3611 14th Ave Ste 550, Brooklyn, NY 11218-3773 — (718) 819-6144

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 246486 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence ME178297 (FL)
Internal Medicine Physician Taxonomy 207R00000X · Licence DR.0076561 (CO)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 25MA08623200 (NJ)

Record details

NPI number1598922874
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 22, 2008
Last updated in NPPESJune 11, 2026
Certification dateJune 11, 2026
Mailing address400 E Main St, Northern Westchester Hospital, Medical Affairs Office, Mount Kisco, NY 10549-3417

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Rwjbh Emergency Medicine Associates, Llc — 807 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Mount Kisco