Mary Margaret Mullen, MD
Gynecologic Oncology Physician · Saint Louis, MO
Mary Margaret Mullen, MD is a gynecologic oncology physician with a practice address in Saint Louis, Missouri, and NPI 1437563897, issued on Jun 13, 2014. Check the license (Missouri 2018005682, 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 Margaret Mullen
- Credential
- MD
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License number
- 2018005682 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4921 Parkview PL, Saint Louis, MO 63110
- Phone
- (314) 362-3181
- Enumerated
- Jun 13, 2014
- Record last updated
- Apr 17, 2025
- Fax
- (314) 362-2893
- Medicaid ID
- 200058975 MO
- Medicare enrollment
- Enrolled (PECOS I20180904000706); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest gynecologic oncology physician records → All 44 in Missouri → Look up another NPI →
Also registered at 4921 Parkview PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Margaret Mullen 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 2018005682Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024
32 Medicare Part D claims for 14 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Margaret Mullen among 44 gynecologic oncology physician records in Missouri
Mary Margaret Mullen, MD is one of 44 gynecologic oncology physician records with a practice address in Missouri. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 73% of them.
- NPI issued2014 · 73% of these records are older, 23% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2014 · median 2006 among the 32 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecologic Oncology Physician providers in Missouri
There are 44 gynecologic oncology physician records in Missouri.
All 44 in Missouri → Every provider in Saint Louis → Gynecologic Oncology Physician nationwide →
The 8 gynecologic oncology physician records with the nearest ZIP codes
- Mostafa EyadaSaint Louis, MO 631101881262822
- Andrea Hagemann, MDSaint Louis, MO 631101285790337
- Dineo Khabele, MDSaint Louis, MO 631101477532240
- Lindsay Kuroki, MDSaint Louis, MO 631101619105202
- Ngoc-Anh Le, MDSaint Louis, MO 631101497496236
- Leslie Massad, MDSaint Louis, MO 631101366423360
- Carolyn McCourt, MDSaint Louis, MO 631101023108966
- Molly Morton, MDSaint Louis, MO 631101427555465
Common questions
What is Mary Margaret Mullen, MD's NPI number?
Mary Margaret Mullen, MD's National Provider Identifier (NPI) is 1437563897, issued on Jun 13, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mary Margaret Mullen, MD located?
The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 362-3181. Providers update this record themselves, so call before visiting.
How can I verify Mary Margaret Mullen, MD's license?
NPPES lists Missouri license number 2018005682, 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 Margaret Mullen, MD prescribe under Medicare Part D?
In 2024, Mary Margaret Mullen, MD had 32 Medicare Part D claims for 14 beneficiaries; the average among gynecologic oncology physician prescribers was 195. 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.