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

Individual provider Cardiovascular Disease Physician · NPI 1861468316

Dr. James A. Heinsimer, MD is a Cardiovascular Disease (Cardiology) in Royal Oak, Michigan. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 1977, 49 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
49
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
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

3535 W 13 Mile Rd Ste 504
Royal Oak, MI 48073-6770
Phone: (248) 551-0066
Fax: (248) 481-9605
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 4301049901 (MI)

Record details

NPI number1861468316
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 24, 2006
Last updated in NPPESNovember 30, 2020
Certification dateNovember 30, 2020
Mailing address3535 W 13 Mile Rd Ste 504, Royal Oak, MI 48073-6770

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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