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DR. ANDREW MAYO M.D.
NPI 1598150393
Obstetrics & Gynecology in Saint Louis, MO

Active since March 30, 2015PECOS EnrolledAccepts Medicare Assignment
621 S NEW BALLAS RD STE 1400, SAINT LOUIS, MO 63141(314) 251-7498(314) 251-4376 Get Directions Write a Review

NPPES record last updated: July 13, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2021, Nov 5, 2018 (2 updates tracked since 2018).

About Dr. Andrew Mayo M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANDREW MAYO M.D. (NPI 1598150393) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (2021016699) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1598150393
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. ANDREW MAYOCredential: M.D.
Location Address621 S NEW BALLAS RD STE 1400Saint Louis, MO 63141-8232
Mailing Address621 S New Ballas Rd Ste 1400Saint Louis, MO 63141-8232 · (314) 251-7498 · Fax (314) 251-4376
Phone(314) 251-7498
Fax(314) 251-4376
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateMarch 30, 2015
Last NPPES UpdateJuly 13, 20212 updates tracked since enumeration
NPPES CertifiedJuly 13, 2021
✔ NPI 1598150393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in MO · 2021016699✔ Licensed in IL · 036.143820✔ Licensed in CA · A135348
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
621 S NEW BALLAS RD STE 1400, Saint Louis, MO 63141
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Andrew Mayo M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8224398490
PECOS Enrollment IDI20210607001254
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andrew Mayo's NPI number?

The NPI number for Andrew Mayo is 1598150393. It was assigned to this individual provider in the NPPES registry on March 30, 2015.

Where is Andrew Mayo located?

Andrew Mayo practices at 621 S New Ballas Rd Ste 1400, Saint Louis, MO 63141. The listed phone number is (314) 251-7498.

What is Andrew Mayo's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Andrew Mayo enrolled in Medicare?

Yes. Andrew Mayo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Andrew Mayo accept?

Health plans from Medica list Andrew Mayo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Andrew Mayo affiliated with any hospitals?

According to CMS data, Andrew Mayo is affiliated with Mercy Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Andrew Mayo was last updated on July 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.