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

Matthew Jay Weiss, DO

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1982712717

Matthew Jay Weiss, DO is a Geriatric Medicine in Fenton, Michigan. Graduated from Michigan State University College of Osteopathic Medicine in 1979, 47 years ago. Accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
47
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MI
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1 Chateaux Du Lac
Fenton, MI 48430-9140
Phone: (810) 964-2331
Fax: (810) 603-3704
Show map & directions

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

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence 5101007703 (MI)

Record details

NPI number1982712717
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 29, 2006
Last updated in NPPESOctober 7, 2025
Certification dateOctober 7, 2025
Mailing address1 Chateaux Du Lac, Fenton, MI 48430-9140

Medicare enrollment

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

Medicare specialtyGERIATRIC MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount