David P. Diemer, MD
Diagnostic Radiology Physician · Saint Louis, MO
David P. Diemer, MD is a diagnostic radiology physician with a practice address in Saint Louis, Missouri, and NPI 1669494241, issued on Jul 24, 2006. Check the license (Missouri R6G76, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- David P. Diemer
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- R6G76 MO
036114605 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3015 N New Ballas RD, Saint Louis, MO 63131
- Phone
- (314) 996-5180
- Enumerated
- Jul 24, 2006
- Record last updated
- Mar 18, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (314) 821-2180
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 976 in Missouri → Look up another NPI →
Also registered at 3015 N New Ballas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Engels, MDDiagnostic Radiology Physician1750303335
Verify David P. Diemer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R6G76Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David P. Diemer among 976 diagnostic radiology physician records in Missouri
David P. Diemer, MD is one of 976 diagnostic radiology physician records with a practice address in Missouri. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 55% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2009 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
459 diagnostic radiology physician records list a practice address in Saint Louis
They are 459 of the 27,605 NPPES records with a practice address in Saint Louis, and 976 diagnostic radiology physician records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 976 in Missouri → Every provider in Saint Louis → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- William Baber, MDSt Louis, MO 631311811008444
- Douglas Curry, MDSaint Louis, MO 631311508974379
- James Debnam, M.D.Saint Louis, MO 631311841203148
- John Engels, MDSaint Louis, MO 631311750303335
- Geoffrey Hamill, MDSt Louis, MO 631311265446827
- Joanne Lacey, MDSaint Louis, MO 631311508950841
- Carrie Morrison, MDSaint Louis, MO 631311053374561
- Amy Mosher, MDSt Louis, MO 631311245257922
Common questions
What is David P. Diemer, MD's NPI number?
David P. Diemer, MD's National Provider Identifier (NPI) is 1669494241, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David P. Diemer, MD located?
The NPPES record lists a practice address at 3015 N New Ballas RD, Saint Louis, MO, 63131. Phone: (314) 996-5180. Providers update this record themselves, so call before visiting.
How can I verify David P. Diemer, MD's license?
NPPES lists Missouri license number R6G76, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.