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

Mark Stephen Lemert, MD

Individual provider Gastroenterology Physician · NPI 1306810478

Mark Stephen Lemert, MD is a Gastroenterology in New York, New York. Graduated from George Washington University School of Medicine in 1997, 29 years ago. Practices with New York University, a 5,884-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Maine and New York.

Years since qualifying
29
Trained at
George Washington University School of Medicine
Licensed in
ME, NY
In the registry since
2006
Specialties on file
2
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

317 E 34th St Murray Hill Medical Group 7th Fl
New York, NY 10016-4974
Phone: (212) 726-7412
Fax: (212) 981-7212
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4 Glen Cove Dr Ste 10, Rockport, ME 04856 — (207) 301-5790

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD26758 (ME)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 236488 (NY)

Record details

NPI number1306810478
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 15, 2006
Last updated in NPPESFebruary 20, 2024
Certification dateFebruary 20, 2024

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice New York University — 5884 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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