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

Marc Justin Landsman, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1407299621

Marc Justin Landsman, MD is an Internal Medicine in Washington, District of Columbia. Graduated from Georgetown University School of Medicine in 2013, 13 years ago. Practices with The Metrohealth System, a 1,163-clinician group and accepts Medicare assignment.

Years since qualifying
13
Trained at
Georgetown University School of Medicine
In the registry since
2013
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

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Washington, DC

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1407299621
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 8, 2013
Last updated in NPPESApril 8, 2013

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice The Metrohealth System — 1163 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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