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

Gregory J Forstall, MD

Individual provider Infectious Disease Physician · NPI 1477642486

Gregory J Forstall, MD is an Internal Medicine in Flint, Michigan. Graduated from Southern Illinois University School of Medicine in 1987, 39 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
39
Trained at
Southern Illinois University School of Medicine
Licensed in
MI
In the registry since
2006
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

401 S Ballenger Hwy
Flint, MI 48532-3638
Phone: (810) 720-0639
Fax: (810) 230-1978
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 4301061462 (MI)

Record details

NPI number1477642486
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 11, 2006
Last updated in NPPESMarch 7, 2023
Mailing addressPo Box 321068, Flint, MI 48532-0019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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