Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Omar Hamdallah, M.D.

Vascular Surgery Physician in Baltimore, MD · enumerated 2008.

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

National Provider Identifier

1831359090

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Registry record

Entity type Individual (Type 1)

Name Omar Hamdallah

Credential M.D.

Sex Male

Practice address 5233 King Ave, Suite 208, Baltimore, MD, 21237

Phone (410) 918-1525

Fax (410) 918-1526

Enumeration date Jun 11, 2008

Last updated in NPPES May 30, 2015

Taxonomy & licenses

2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians · License D0077967 (MD) Primary

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

Other identifiers

Identifier	Type	State	Issuer
297413	Other	MD	EMPLOYER HEALTH PROGRAMS (EHP)
4490 0002	Other	MD	CAREFIRST
380791ZK7S	Other	MD	MEDICARE
N/A	Other	MD	MEDSTAR FAMILY CHOICE
297413	Other	MD	US FAMILY HEALTH PLAN (USFHP)
740002100	Other	MD	MEDICAL ASSISTANCE
297413	Other	MD	PRIORITY PARTNERS MCO (PPMCO)
4490 0002	Other	DC	CAREFIRST

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.

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Frequently asked questions

What is the NPI number for Omar Hamdallah?

The National Provider Identifier (NPI) for Omar Hamdallah is 1831359090, a Type 1 (individual) record in the CMS NPPES registry.

Where does Omar Hamdallah practice?

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

Other providers at this practice address

Browse all →

James Poulton Procedural Dermatology Physician · Baltimore, MD NPI 1407845779 Huzefa Bahrain Hematology & Oncology Physician · Baltimore, MD NPI 1790734549 Ahmad Abu-Ghaida Vascular Surgery Physician · Baltimore, MD NPI 1659320257 Matthew Belzak Certified Registered Nurse Anesthetist · Baltimore, MD NPI 1538198734 White Square Vascular Surgery PA Vascular Surgery Physician · Baltimore, MD NPI 1285666008 Drs Poulton & Smith LLC Dermatology Physician · Baltimore, MD NPI 1043410905 Samer Saiedy MD Franklin LLC Vascular Surgery Physician · Rosedale, MD NPI 1952787889 Jay Lynn Santos Physical Therapist · Rosedale, MD NPI 1336694124

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-05-30.