John R Trotter M D Inc 11890 E Warren Ave
NPI 1821237314 · Family Medicine Physician · Southfield, MI
John R Trotter M D Inc 11890 E Warren Ave is a Family Medicine Physician organization in Southfield, MI (NPI 1821237314).
Provider details
- NPI number
- 1821237314
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Trotter, Owner(248) 559-7730
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-02-07
- Last updated
- 2009-02-07
Frequently asked questions
- What is John R Trotter M D Inc 11890 E Warren Ave's NPI number?
- John R Trotter M D Inc 11890 E Warren Ave's National Provider Identifier (NPI) is 1821237314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John R Trotter M D Inc 11890 E Warren Ave?
- John R Trotter M D Inc 11890 E Warren Ave is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John R Trotter M D Inc 11890 E Warren Ave located?
- John R Trotter M D Inc 11890 E Warren Ave's practice location on file with NPPES is 20905 Greenfield Rd, Southfield, MI 48075-5360.
- What is John R Trotter M D Inc 11890 E Warren Ave's phone number?
- The practice phone number listed in the NPPES registry for John R Trotter M D Inc 11890 E Warren Ave is (248) 559-7730.
- Who is the authorized official for John R Trotter M D Inc 11890 E Warren Ave?
- The authorized official listed on John R Trotter M D Inc 11890 E Warren Ave's NPPES record is John Trotter, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John R Trotter M D Inc 11890 E Warren Ave's NPI active?
- Yes — John R Trotter M D Inc 11890 E Warren Ave's NPI (1821237314) is active in the NPPES registry as of the last update on 2009-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.