Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Mahmoud Mustafa, MD

Sees patients in Washington, DC · Lanham, MD · Arlington, VA · District of Columbia, Maryland, Virginia

Summary

Mahmoud Mustafa, MD (Internal Medicine) is enrolled with Medicare at 3 practice locations in Washington, DC, Lanham, MD and Arlington, VA. NPI 1437118197. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mahmoud Mustafa, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
44Years since medical school (graduated 1982)
George Washington University School Of MedicineMedical school
MaleGender (as listed)
Privia Medical Group, LLCGroup practice

Quick answers

Where does Mahmoud Mustafa see patients?
Medicare's clinician data lists 3 practice locations, including Washington, DC, Lanham, MD and Arlington, VA. Call before your visit to confirm the address.
What is Mahmoud Mustafa's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Mahmoud Mustafa accept Medicare assignment?
Yes. Medicare's clinician data says Mahmoud Mustafa accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Mahmoud Mustafa offer telehealth?
Medicare's clinician data says Mahmoud Mustafa offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Mahmoud Mustafa?
(202) 331-3338, as listed in official Medicare / NPI Registry data.
What is Mahmoud Mustafa's NPI number?
1437118197. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mahmoud Mustafa is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mahmoud Mustafa as a member of this group (CMS data updated 2026-10-02).

  • Privia Medical Group, LLC1,533 clinicians in the group

Specialties

Find other Internal Medicine doctors in District of Columbia →

Other internal medicine doctors in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

All internal medicine doctors in Washington →

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year1982
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1437118197
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians