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Dr. Mazin Hallaj, M.D.

Occupational Medicine Physician in Oakwood Village, OH · enumerated 2009 · practices at Occupational Health Centers of Ohio, P.A., Co..

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

National Provider Identifier

1376778696

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Registry record

Entity type Individual (Type 1)
Name Dr. Mazin Hallaj
Credential M.D.
Sex Male
Practice address 7730 First Pl, Suite D, Oakwood Village, OH, 44146
Phone (440) 735-0438
Fax (440) 735-0484
Enumeration date May 17, 2009
Last updated in NPPES Apr 27, 2016

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 0101245226 (VA) Secondary
2083X0100X Occupational Medicine Physician Allopathic & Osteopathic Physicians · License 0101245226 (VA) Secondary
2083X0100X Occupational Medicine Physician Allopathic & Osteopathic Physicians · License 124411 (OH) 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.

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Frequently asked questions

What is the NPI number for Mazin Hallaj?
The National Provider Identifier (NPI) for Mazin Hallaj is 1376778696, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mazin Hallaj practice?
The practice location on file with NPPES is in Oakwood Village, OH. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-27.