Andrew Mayo, M.D.
Obstetrics & Gynecology Physician · Saint Louis, MO
Andrew Mayo, M.D. is an obstetrics & gynecology physician with a practice address in Saint Louis, Missouri, and NPI 1598150393, issued on Mar 30, 2015. Check the license (Missouri 2021016699, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Andrew Mayo
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 2021016699 MO
A135348 CA
036.143820 IL
Self-reported in NPPES; status is on the state search - Practice location
- 621 S New Ballas RD Ste 1400, Saint Louis, MO 63141
- Phone
- (314) 251-7498
- Enumerated
- Mar 30, 2015
- Record last updated
- Jul 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (314) 251-4376
- Medicare enrollment
- Enrolled (PECOS I20210607001254); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 902 in Missouri → Look up another NPI →
Verify Andrew Mayo 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 2021016699Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mercy Womens Services LLCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Mayo among 902 obstetrics & gynecology physician records in Missouri
Andrew Mayo, M.D. is one of 902 obstetrics & gynecology 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. Its NPI, issued in 2015, is newer than 70% of them.
- NPI issued2015 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2013 · median 2007 among the 528 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
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 902 in Missouri → Every provider in Saint Louis → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Robert Bale, M.D.Saint Louis, MO 631411477520823
- Adriena Beatty, D.O.Saint Louis, MO 631411043260979
- Robert Becker, MDSaint Louis, MO 631411609869239
- Kathryn Botney, M.D.Saint Louis, MO 631411003883430
- Alampur Kumari, M.D.Saint Louis, MO 631411760459424
- Carolyn Martin, M.D.Saint Louis, MO 631411669465134
- Marsha McBride, M.D.Saint Louis, MO 631411538136890
- Daniel McNeive, M.D.Saint Louis, MO 631411134194830
Common questions
What is Andrew Mayo, M.D.'s NPI number?
Andrew Mayo, M.D.'s National Provider Identifier (NPI) is 1598150393, issued on Mar 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Mayo, M.D. located?
The NPPES record lists a practice address at 621 S New Ballas RD Ste 1400, Saint Louis, MO, 63141. Phone: (314) 251-7498. Providers update this record themselves, so call before visiting.
How can I verify Andrew Mayo, M.D.'s license?
NPPES lists Missouri license number 2021016699, 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. Medicare files from data.cms.gov. 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.