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

John R Trotter M D Inc 11890 E Warren Ave

Organization Family Medicine Physician · NPI 1821237314

John R Trotter M D Inc 11890 E Warren Ave is a Family Medicine Physician in Southfield, Michigan. Registered with an NPI since 2009.

In the registry since
2009
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

20905 Greenfield Rd Ste 303
Southfield, MI 48075-5360
Phone: (248) 559-7730
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X

Record details

NPI number1821237314
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Trotter — Owner · (248) 559-7730
NPI enumeratedFebruary 7, 2009
Last updated in NPPESFebruary 7, 2009
Mailing address20905 Greenfield Rd, Suite 303, Southfield, MI 48075-5360

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