Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Riad Robert Hajjar, MD

Individual provider Internal Medicine Physician · NPI 1538153176

Riad Robert Hajjar, MD is an Internal Medicine in Port Huron, Michigan. Qualified in 1991, 35 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
35
Licensed in
MI
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1201 Stone St Ste 5
Port Huron, MI 48060-3563
Phone: (810) 966-9556
Fax: (810) 966-4898
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence RH066725 (MI)

Record details

NPI number1538153176
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 9, 2005
Last updated in NPPESJuly 8, 2007
Mailing address1201 Stone St, Ste. 5, Port Huron, MI 48060-3563

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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