Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

James Heinsimer MD PC

Organization Cardiovascular Disease Physician · NPI 1124214952

James Heinsimer MD PC provides Cardiovascular Disease Physician services in Royal Oak, Michigan. Licensed in Michigan. Registered with an NPI since 2007.

Licensed in
MI
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3535 W 13 Mile Rd Ste 208
Royal Oak, MI 48073-6770 Not confirmed with CMS for 19 years — call before visiting
Phone: (248) 551-0066
Fax: (248) 551-2022
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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 JH049901 (MI)

Record details

NPI number1124214952
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official James Heinsimer — Owner · (248) 551-0066
NPI enumeratedSeptember 14, 2007
Last updated in NPPESOctober 11, 2007
Mailing address3535 W 13 Mile Rd Ste 208, Royal Oak, MI 48073-6770

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