NPPES file of Aug 9, 2026

Mary Ellen Fox, MD

Family Medicine Physician · Saint Louis, MO

Mary Ellen Fox, MD is a family medicine physician with a practice address in Saint Louis, Missouri, and NPI 1710957287, issued on Jan 25, 2006. Check the license (Missouri R1H07, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710957287
Name
Mary Ellen Fox
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
R1H07 MO
Self-reported in NPPES; status is on the state search
Practice location
414 Spring Ave, Saint Louis, MO 63119
Phone
(314) 558-4111
Enumerated
Jan 25, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(314) 558-4111
Medicare enrollment
Enrolled (PECOS I20041013000190); accepts Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 1984
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Mary Ellen Fox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R1H07
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

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92% fewer Medicare Part D claims than the average family medicine physician in 2024

266 Medicare Part D claims for 34 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Mary Fox266
  2. Specialty average3,544

Most prescribed

  1. Quetiapine Fumarate24 claims
  2. Methenamine Hippurate21 claims
  3. Sertraline Hcl20 claims
  4. Trazodone Hcl15 claims
  5. Lisinopril14 claims
  6. Namzaric13 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.

Mary Ellen Fox among 2,991 family medicine physician records in Missouri

Mary Ellen Fox, MD is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 52% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1984 · median 2006 among the 1,778 with a school on file
  • Record last updated2007 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in Missouri

There are 2,991 family medicine physician records in Missouri.

The 8 family medicine physician records with the nearest ZIP codes

  1. Denise Buck, M. D.Saint Louis, MO 631191083760599
  2. Kyra Cass, MDSaint Louis, MO 631191932198231
  3. Roohi Desai, MDSaint Louis, MO 631191770533184
  4. Ramadevi Devabhaktuni, M.D.Saint Louis, MO 631191891789558
  5. Aaron Guthrie, MDSaint Louis, MO 631191144361494
  6. Nneka Ichoku, D.O., MPHSaint Louis, MO 631191548422215
  7. Babul Kulkarni, MDSaint Louis, MO 631191225200769
  8. Yan-Hua Liu, MDRock Hill, MO 631191902034689

Common questions

What is Mary Ellen Fox, MD's NPI number?

Mary Ellen Fox, MD's National Provider Identifier (NPI) is 1710957287, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Ellen Fox, MD located?

The NPPES record lists a practice address at 414 Spring Ave, Saint Louis, MO, 63119. Phone: (314) 558-4111. Providers update this record themselves, so call before visiting.

How can I verify Mary Ellen Fox, MD's license?

NPPES lists Missouri license number R1H07, 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 Ellen Fox, MD prescribe under Medicare Part D?

In 2024, Mary Ellen Fox, MD had 266 Medicare Part D claims for 34 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.