Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Metropolitan Internal Medicine Associates PA

Internal Medicine Physician in Bethesda, MD · enumerated 2007 · authorized official Ali Niak, Physician.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1104961150

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Registry record

Entity type Organization (Type 2)

Legal business name Metropolitan Internal Medicine Associates PA

Practice address 5616 Shields Dr, Bethesda, MD, 20817

Phone (301) 897-5522

Fax (301) 897-2599

Enumeration date Feb 20, 2007

Last updated in NPPES May 14, 2013

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License D0053269 (MD) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License D0056136 (MD) Primary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License D50220 (MD) Secondary

Authorized official

Name Ali Niak

Title Physician

Phone (301) 897-5522

Other identifiers

Identifier	Type	State	Issuer
400252100	Medicaid	MD	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Metropolitan Internal Medicine Associates PA?

The NPI for Metropolitan Internal Medicine Associates PA is 1104961150, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Metropolitan Internal Medicine Associates PA?

NPPES lists Ali Niak (Physician) as the authorized official for this organization.

Providers at this address

Browse all →

Hamid Tabatabai Internal Medicine Physician · Bethesda, MD NPI 1225040603 Ali Niak Internal Medicine Physician · Bethesda, MD NPI 1750393161 Morgan Shumate Family Nurse Practitioner · Bethesda, MD NPI 1821797986

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-14.