Diane F. Merritt, MD
Gynecology Physician · Saint Louis, MO
Diane F. Merritt, MD is a gynecology physician with a practice address in Saint Louis, Missouri, and NPI 1437172459, issued on Jul 25, 2006. Check the license (Missouri R7459, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Diane F. Merritt
- Credential
- MD
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- R7459 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4901 Forest Park Ave Ste 710, Saint Louis, MO 63108
- Phone
- (314) 273-4724
- Enumerated
- Jul 25, 2006
- Record last updated
- Nov 27, 2023
- Fax
- (314) 747-1481
- Medicaid IDs
- 200729317 MO
0351975109 IL - Entity
- Type 1 · individual
8 nearest gynecology physician records → All 48 in Missouri → Look up another NPI →
Also registered at 4901 Forest Park Ave Ste 710
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison Cahill, MDMaternal & Fetal Medicine Physician1679788038
- Erin Johnson, MDObstetrics & Gynecology Physician1669997847
- George Macones, MDMaternal & Fetal Medicine Physician1386647345
- Colleen McNicholas, DOGynecology Physician1962664730
- Donald Nelson, MDMaternal & Fetal Medicine Physician1962420463
- Andrea O'RiordanObstetrics & Gynecology Physician1861325425
Verify Diane F. Merritt 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 R7459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average gynecology physician in 2024
17 Medicare Part D claims, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Metoprolol Tartrate13 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.
Diane F. Merritt among 48 gynecology physician records in Missouri
Diane F. Merritt, MD is one of 48 gynecology physician records with a practice address in Missouri. 69% 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, 31% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in Missouri
There are 48 gynecology physician records in Missouri.
All 48 in Missouri → Every provider in Saint Louis → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Scott Biest, MDSaint Louis, MO 631081952419210
- David Eisenberg, MDSaint Louis, MO 631081033304415
- Colleen McNicholas, DOSaint Louis, MO 631081962664730
- Whitney Ross, MDSaint Louis, MO 631081144634502
- Rebecca McAlister, MDSaint Louis, MO 631101649296864
- David McIntosh, MDSaint Louis, MO 631061710050869
- Jeffrey Peipert, MDSaint Louis, MO 631101497771711
- Renee Ewing, M.D.Saint Louis, MO 631051467414177
Common questions
What is Diane F. Merritt, MD's NPI number?
Diane F. Merritt, MD's National Provider Identifier (NPI) is 1437172459, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane F. Merritt, MD located?
The NPPES record lists a practice address at 4901 Forest Park Ave Ste 710, Saint Louis, MO, 63108. Phone: (314) 273-4724. Providers update this record themselves, so call before visiting.
How can I verify Diane F. Merritt, MD's license?
NPPES lists Missouri license number R7459, 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 Diane F. Merritt, MD prescribe under Medicare Part D?
In 2024, Diane F. Merritt, MD had 17 Medicare Part D claims; the average among gynecology physician prescribers was 299. 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.