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

Joseph Charles Kolars, MD

Individual provider Internal Medicine Physician · NPI 1447222005

Joseph Charles Kolars, MD is a Gastroenterology in Ann Arbor, Michigan. Graduated from University of Minnesota Medical School in 1982, 44 years ago. Practices with Regents of the University of Michigan, a 3,271-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Michigan and Minnesota.

Years since qualifying
44
Trained at
University of Minnesota Medical School
Licensed in
MI, MN
In the registry since
2006
Specialties on file
4
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

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone: (734) 936-4000
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 4301051651 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301051651 (MI)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 28528 (MN)
Hepatology Physician Taxonomy 207RI0008X · Licence 4301051651 (MI)

Record details

NPI number1447222005
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 7, 2006
Last updated in NPPESMay 20, 2020
Certification dateMay 20, 2020

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1982 (44 years in practice)
Group practice Regents Of The University Of Michigan — 3271 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations18 on file with Medicare

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