Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mubarak Ali Mubarak Hassan, M.D.

Student in an Organized Health Care Education/Training Program in Gaithersburg, MD · enumerated 2016.

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

National Provider Identifier

1861855405

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Registry record

Entity type Individual (Type 1)

Name Mubarak Ali Mubarak Hassan

Credential M.D.

Sex Male

Practice address Gaithersburg, MD, 20879

Phone (202) 617-6661

Enumeration date Mar 31, 2016

Last updated in NPPES May 27, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

Where does Mubarak Hassan practice?

The practice location on file with NPPES is in Gaithersburg, MD. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Mubarak Hassan?

The National Provider Identifier (NPI) for Mubarak Hassan is 1861855405, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-27.