Physician Profile
Mary M. Mullen, MD is a healthcare provider in Saint Louis, MO specializing in gynecologic oncology. Mary trained at Saint Louis University School of Medicine, graduating in 2014. Medicare claims data shows Mary provided 45 services to 28 patients. The services billed most often include subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4921 PARKVIEW PL DIV OBGYN GYNECOLOGIC ONCOLOGY, STE 13C
Saint Louis, MO 63110
45 services · 28 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
23 | Less often than most peers in Gynecologic Oncology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
22 | Less often than most peers in Gynecologic Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Mullen is a gynecologic oncology in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Mullen is listed at 4921 Parkview Pl Div Obgyn Gynecologic Oncology, Ste 13C, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (314) 362-3181. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Mullen's National Provider Identifier is 1437563897. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Mullen attended Saint Louis University School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Dr. Mullen has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Mullen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mullen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.