Robert Brennan, M.D.
NPI 1326087024 · Obstetrics & Gynecology Physician · Saint Louis, MO
Robert Brennan, M.D. is a Obstetrics & Gynecology Physician provider in Saint Louis, MO (NPI 1326087024).
Provider details
- NPI number
- 1326087024
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MDR7047 (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
20 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
- 2006-06-06
- Last updated
- 2011-10-26
Frequently asked questions
- What is Robert Brennan's NPI number?
- Robert Brennan's National Provider Identifier (NPI) is 1326087024, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Brennan's specialty?
- Robert Brennan is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Brennan located?
- Robert Brennan's practice location on file with NPPES is 13023 Tesson Ferry Rd, Saint Louis, MO 63128-3480.
- What is Robert Brennan's phone number?
- The practice phone number listed in the NPPES registry for Robert Brennan is (314) 849-3711.
- Is Robert Brennan's NPI active?
- Yes — Robert Brennan's NPI (1326087024) is active in the NPPES registry as of the last update on 2011-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.