Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mohammad Mahmoud Hasan Alhyari, M.D

Medical Oncology Physician in Grand Rapids, MI · enumerated 2010.

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

National Provider Identifier

1346554912

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Registry record

Entity type Individual (Type 1)

Name Dr. Mohammad Mahmoud Hasan Alhyari

Credential M.D

Sex Male

Practice address 145 Michigan St Ne Ste 2200, Grand Rapids, MI, 49503

Phone (616) 486-6700

Enumeration date Aug 5, 2010

Last updated in NPPES Jun 2, 2026

Taxonomy & licenses

207RX0202X Medical Oncology Physician Allopathic & Osteopathic Physicians · License 4301503037 (MI) Primary

207RH0000X Hematology (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 4301503037 (MI) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 4301096086 (MI) Secondary

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 Mohammad Alhyari?

The National Provider Identifier (NPI) for Mohammad Alhyari is 1346554912, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mohammad Alhyari practice?

The practice location on file with NPPES is in Grand Rapids, MI. 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 2026-06-02.