NPPES file of Aug 9, 2026

James Michael Brennan, M.D.

Obstetrics & Gynecology Physician · Saint Louis, MO

James Michael Brennan, M.D. is an obstetrics & gynecology physician with a practice address in Saint Louis, Missouri, and NPI 1699714360, issued on Jun 6, 2006. Check the license (Missouri MDR6C99, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699714360
Name
James Michael Brennan
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
MDR6C99 MO
336-069065 IL
Self-reported in NPPES; status is on the state search
Practice location
12700 Southfork RD, Saint Louis, MO 63128
Phone
(314) 849-3711
Enumerated
Jun 6, 2006
Record last updated
Mar 14, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(314) 849-0235
Medicaid ID
202125209 MO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 12700 Southfork RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Iqbal Amin, M.D.Geriatric Medicine (Internal Medicine) Physician1184619835
  2. Stephen Benz, M.D.Orthopaedic Surgery Physician1952354706
  3. Nancy Birner, MDPediatrics Physician1043214778
  4. Richard Brennan, M.D.Obstetrics & Gynecology Physician1316986540
  5. David Fagan, M.D.Orthopaedic Surgery Physician1952354763
  6. Patrick Garrett, M.D.Internal Medicine Physician1669466629

Verify James Michael Brennan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license MDR6C99    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

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92% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

14 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. James Brennan14
  2. Specialty average165

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

332 obstetrics & gynecology physician records list a practice address in Saint Louis

They are 332 of the 27,605 NPPES records with a practice address in Saint Louis, and 902 obstetrics & gynecology physician records in Missouri.

All 332 in Saint Louis → All 902 in Missouri → Every provider in Saint Louis →

Other obstetrics & gynecology physician records in Missouri

  1. Ana Adams, DOKansas City, MO1962151613
  2. Pamela Adams, MDSaint Louis, MO1104116995
  3. Allie Adrian, MDSaint Louis, MO1205621596
  4. Mona Afrassiab, DOOsage Beach, MO1679572119
  5. Gabrielle AgcaoiliKansas City, MO1023909249
  6. Christoper Ahlering, M.D.Saint Louis, MO1760419485
  7. Sandra Ahlum, M.D.Hannibal, MO1427037183
  8. Nusrat Ahmad, MDSaint Louis, MO1114966348
  9. Natasha Ahmed, M.D.Kansas City, MO1861758716
  10. Tanvira Alam, DOO Fallon, MO1265670525

Common questions

What is James Michael Brennan, M.D.'s NPI number?

James Michael Brennan, M.D.'s National Provider Identifier (NPI) is 1699714360, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Michael Brennan, M.D. located?

The NPPES record lists a practice address at 12700 Southfork RD, Saint Louis, MO, 63128. Phone: (314) 849-3711. Providers update this record themselves, so call before visiting.

How can I verify James Michael Brennan, M.D.'s license?

NPPES lists Missouri license number MDR6C99, 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.

How much does James Michael Brennan, M.D. prescribe under Medicare Part D?

In 2024, James Michael Brennan, M.D. had 14 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.