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

Dr. Marc Stephen Posner, MD

Individual provider Family Medicine Physician · NPI 1114930211

Dr. Marc Stephen Posner, MD is a Family Practice in Baltimore, Maryland. Graduated from University of Maryland School of Medicine in 1976, 50 years ago. Accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
50
Trained at
University of Maryland School of Medicine
Licensed in
MD
In the registry since
2006
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

1147 S Hanover St
Baltimore, MD 21230-3717
Phone: (410) 752-5425
Fax: (410) 625-9042
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence D19640 (MD)

Record details

NPI number1114930211
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 14, 2006
Last updated in NPPESDecember 19, 2007

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 1976 (50 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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