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Thomas Simmer, M.D.
NPI 1588837959 · Internal Medicine Physician · Detroit, MI
Thomas Simmer, M.D. is a Internal Medicine Physician provider in Detroit, MI (NPI 1588837959).
Provider details
- NPI number
- 1588837959
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301044305 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
600 E Lafayette Blvd
Detroit, MI 48226-2927
Phone: (313) 225-9290
Fax: (313) 983-2020
Street-level locationGet directions
Mailing address
600 E Lafayette Blvd
Detroit, MI 48226-2927
Registry dates
- Enumerated
- 2008-04-08
- Last updated
- 2008-04-08
Frequently asked questions
- What is Thomas Simmer's NPI number?
- Thomas Simmer's National Provider Identifier (NPI) is 1588837959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Simmer's specialty?
- Thomas Simmer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Simmer located?
- Thomas Simmer's practice location on file with NPPES is 600 E Lafayette Blvd, Detroit, MI 48226-2927.
- What is Thomas Simmer's phone number?
- The practice phone number listed in the NPPES registry for Thomas Simmer is (313) 225-9290.
- Is Thomas Simmer's NPI active?
- Yes — Thomas Simmer's NPI (1588837959) is active in the NPPES registry as of the last update on 2008-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.