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Dr. Ronald D Hertz, DO

Internal Medicine Physician in Grosse Pointe Woods, MI · enumerated 2005.

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

National Provider Identifier

1053304816

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Registry record

Entity type Individual (Type 1)
Name Dr. Ronald D Hertz
Credential DO
Sex Male
Practice address 19251 Mack Ave, Grosse Pointe Woods, MI, 48236
Phone (313) 343-3749
Fax (313) 343-7921
Enumeration date Aug 26, 2005
Last updated in NPPES Apr 16, 2021

Taxonomy & licenses

207RA0000X Adolescent Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 5101010791 (MI) Secondary
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 5101010791 (MI) Secondary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 5101010791 (MI) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
4435427 Medicaid MI -

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 Ronald Hertz?
The National Provider Identifier (NPI) for Ronald Hertz is 1053304816, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ronald Hertz practice?
The practice location on file with NPPES is in Grosse Pointe Woods, 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 2021-04-16.