Thomas Diemer, MD
NPI 1407880677 · Internal Medicine Physician · Cape Girardeau, MO
Thomas Diemer, MD is a Internal Medicine Physician provider in Cape Girardeau, MO (NPI 1407880677).
Provider details
- NPI number
- 1407880677
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R3P56 (MO)
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
19 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
- 2006-07-11
- Last updated
- 2021-03-08
- Certified
- 2021-03-08
Frequently asked questions
- What is Thomas Diemer's NPI number?
- Thomas Diemer's National Provider Identifier (NPI) is 1407880677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Diemer's specialty?
- Thomas Diemer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Diemer located?
- Thomas Diemer's practice location on file with NPPES is 211 Saint Francis Dr, Cape Girardeau, MO 63703-5049.
- What is Thomas Diemer's phone number?
- The practice phone number listed in the NPPES registry for Thomas Diemer is (573) 331-3000.
- Is Thomas Diemer's NPI active?
- Yes — Thomas Diemer's NPI (1407880677) is active in the NPPES registry as of the last update on 2021-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.