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

Mr. Marcus Samuel Mermelstein, PA-C

Individual provider Physician Assistant · NPI 1629463898

Mr. Marcus Samuel Mermelstein, PA-C is a Physician Assistant in Bethesda, Maryland. Qualified in 2015, 11 years ago. Licensed in Maryland.

Years since qualifying
11
Licensed in
MD
In the registry since
2015
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

8901 Wisconsin Ave Bldg 9A Fl 3 Surgical Icu
Bethesda, MD 20889-5367
Phone: (301) 400-0018
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence C0007408 (MD)

Record details

NPI number1629463898
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedApril 3, 2015
Last updated in NPPESMay 6, 2025
Certification dateMay 6, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Accepts Medicare assignment Not indicated

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