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

Dr. John S Zazaian, DO

Individual provider Internal Medicine Physician · NPI 1871581934

Dr. John S Zazaian, DO is an Internal Medicine in Waterford, Michigan. Graduated from Michigan State University College of Osteopathic Medicine in 1982, 44 years ago. Practices with Michigan Internal Medicine Associates, PC, a 5-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
44
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MI
In the registry since
2005
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

1012 W Huron St
Waterford, MI 48328-3730
Phone: (248) 681-1880
Fax: (248) 681-3698
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 5101008304 (MI)

Record details

NPI number1871581934
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedOctober 12, 2005
Last updated in NPPESAugust 28, 2020
Certification dateAugust 28, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1982 (44 years in practice)
Group practice Michigan Internal Medicine Associates,P.C. — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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