Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mary Margaret Mullen, MD

Individual provider Gynecologic Oncology Physician · NPI 1437563897

Dr. Mary Margaret Mullen, MD is an Obstetrics/Gynecology in Saint Louis, Missouri. Graduated from Saint Louis University School of Medicine in 2014, 12 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
12
Trained at
Saint Louis University School of Medicine
Licensed in
MO
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4921 Parkview Pl Div OBGYN Gynecologic Oncology Ste 13C
Saint Louis, MO 63110-1032
Phone: (314) 362-3181
Fax: (314) 362-2893
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gynecologic Oncology Physician (primary) Taxonomy 207VX0201X · Licence 2018005682 (MO)

Record details

NPI number1437563897
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 13, 2014
Last updated in NPPESApril 17, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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