Andrew Mayo, M.D.
NPI 1598150393 · Obstetrics & Gynecology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Mayo, M.D. is a Obstetrics & Gynecology Physician provider in Saint Louis, MO (NPI 1598150393).
Provider details
- NPI number
- 1598150393
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A135348 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
11 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
- 2015-03-30
- Last updated
- 2021-07-13
- Certified
- 2021-07-13
Frequently asked questions
- What is Andrew Mayo's NPI number?
- Andrew Mayo's National Provider Identifier (NPI) is 1598150393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Mayo's specialty?
- Andrew Mayo is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Mayo located?
- Andrew Mayo's practice location on file with NPPES is 621 S New Ballas Rd Ste 1400, Saint Louis, MO 63141-8232.
- What is Andrew Mayo's phone number?
- The practice phone number listed in the NPPES registry for Andrew Mayo is (314) 251-7498.
- Does Andrew Mayo accept Medicare?
- Andrew Mayo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Mayo's NPI active?
- Yes — Andrew Mayo's NPI (1598150393) is active in the NPPES registry as of the last update on 2021-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.