John Niemeyer, MD
NPI 1083621155 · Diagnostic Radiology Physician · St Louis, MO
John Niemeyer, MD is a Diagnostic Radiology Physician provider in St Louis, MO (NPI 1083621155).
Provider details
- NPI number
- 1083621155
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R4F79 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-08-02
- Last updated
- 2009-03-18
Frequently asked questions
- What is John Niemeyer's NPI number?
- John Niemeyer's National Provider Identifier (NPI) is 1083621155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Niemeyer's specialty?
- John Niemeyer is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Niemeyer located?
- John Niemeyer's practice location on file with NPPES is 3015 N New Ballas Rd, St Louis, MO 63131.
- What is John Niemeyer's phone number?
- The practice phone number listed in the NPPES registry for John Niemeyer is (314) 996-5180.
- Is John Niemeyer's NPI active?
- Yes — John Niemeyer's NPI (1083621155) is active in the NPPES registry as of the last update on 2009-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.