Mary Bridget Keegan, M.D.
Obstetrics & Gynecology Physician · Saint Louis, MO
Mary Bridget Keegan, M.D. is an obstetrics & gynecology physician with a practice address in Saint Louis, Missouri, and NPI 1164733515, issued on Jun 30, 2010. Check the license (Missouri 2010017094, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Mary Bridget Keegan
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 2010017094 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3930 S Broadway, Saint Louis, MO 63118
- Phone
- (314) 898-1700
- Enumerated
- Jun 30, 2010
- Record last updated
- Oct 5, 2022
- Fax
- (314) 814-8542
- Medicare enrollment
- Enrolled (PECOS I20140828000250); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 902 in Missouri → Look up another NPI →
Also registered at 3930 S Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Allan, LCSWClinical Social Worker1679019046
- Kelcey Depass, FNPFamily Nurse Practitioner1437614823
- Abigail Grant, MDFamily Medicine Physician1427790823
- Rebekah Hassler, CNM, FNPAdvanced Practice Midwife1598853699
- Thomas Kuciejczyk-Kernan, M.D.Family Medicine Physician1669478970
- Angela Schiefelbein, FNP, BCFamily Nurse Practitioner1972692283
Verify Mary Bridget Keegan 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 2010017094Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
57 Medicare Part D claims for 12 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Progesterone17 claims
- Estradiol13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $31.01
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Affinia HealthcareSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Bridget Keegan among 902 obstetrics & gynecology physician records in Missouri
Mary Bridget Keegan, 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 2010, is newer than 59% of them.
- NPI issued2010 · 59% of these records are older, 39% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2010 · median 2007 among the 528 with a school on file
- Record last updated2022 · 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
- Matthew Bialko, M.D., M.P.H.Saint Louis, MO 631171124551403
- Laura Bonebrake, M.D.Saint Louis, MO 631191043417892
- Bruce Bryan, MDSaint Louis, MO 631191386716801
- Andy Chen, MDSaint Louis, MO 631171841870847
- Miranda Corona, MDRichmond Heights, MO 631171275235772
- Sara Ficenec, MDSaint Louis, MO 631171992332274
- Nicole Gloor, MDSaint Louis, MO 631171437619269
- Charles Gulick, MDSaint Louis, MO 631191700958907
Common questions
What is Mary Bridget Keegan, M.D.'s NPI number?
Mary Bridget Keegan, M.D.'s National Provider Identifier (NPI) is 1164733515, issued on Jun 30, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mary Bridget Keegan, M.D. located?
The NPPES record lists a practice address at 3930 S Broadway, Saint Louis, MO, 63118. Phone: (314) 898-1700. Providers update this record themselves, so call before visiting.
How can I verify Mary Bridget Keegan, M.D.'s license?
NPPES lists Missouri license number 2010017094, 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.
How much does Mary Bridget Keegan, M.D. prescribe under Medicare Part D?
In 2024, Mary Bridget Keegan, M.D. had 57 Medicare Part D claims for 12 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
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.