Doctor profile · Federal record

Dr. Mary Keegan, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Saint Louis, MO

  • NPI 1164733515
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3930 S Broadway
Saint Louis, MO 631184626
(314) 898-1700
fax (314) 814-8542
Mailing address
1717 Biddle St
Saint Louis, MO 631063454

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
October 5, 2022
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Missouri #2010017094

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164733515. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$31
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $31.01

By nature of payment

Food and Beverage
$31

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
60
Patients
0
Total drug cost
$7,146
Drug Type Claims Patients Total cost
Progesterone (Progesterone, Micronized) Brand 27 0 $983
Estradiol Generic 11 0 $729
Fluconazole Generic 11 0 $93
Premarin (Estrogens, Conjugated) Brand 11 0 $5,341

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Keegan's medical specialty?
Dr. Mary Keegan practices Obstetrics & Gynecology Physician in Saint Louis, MO.
Where does Dr. Mary Keegan practice?
Dr. Mary Keegan practices at 3930 S Broadway, Saint Louis, MO 631184626. Office phone: 3148981700.
What is Dr. Mary Keegan's NPI?
Dr. Mary Keegan's National Provider Identifier (NPI) is 1164733515, issued by NPPES.
Does Dr. Mary Keegan accept Medicare assignment?
Yes. Dr. Mary Keegan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.