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

Dr. John Macnowski III, MD

Individual provider Internal Medicine Physician · NPI 1316066806

Dr. John Macnowski III, MD is an Internal Medicine in Traverse City, Michigan. Graduated from University of Vermont College of Medicine in 2006, 20 years ago. Practices with Grand Traverse Physician Services PC, a 123-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
20
Trained at
University of Vermont College of Medicine
Licensed in
MI
In the registry since
2007
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

1105 Sixth St Traverse City
Traverse City, MI 49684-2345
Phone: (231) 935-5000
Fax: (231) 346-6017
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 4301088170 (MI)

Record details

NPI number1316066806
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2007
Last updated in NPPESJuly 26, 2016

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Grand Traverse Physician Services Pc — 123 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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