NPPES file of Aug 9, 2026

Gary Alan Ratkin, MD

Internal Medicine Physician · St Louis, MO

Gary Alan Ratkin, MD is an internal medicine physician with a practice address in St Louis, Missouri, and NPI 1881607430, issued on Aug 14, 2006. Check the license (Missouri R3587, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1881607430
Name
Gary Alan Ratkin
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
R3587 MO
Self-reported in NPPES; status is on the state search
Practice location
3200 Chouteau Ave, St Louis, MO 63103
Phone
(314) 977-1250
Enumerated
Aug 14, 2006
Record last updated
Mar 5, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(314) 977-1255
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3200 Chouteau Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Janet Keim, NPAdult Health Nurse Practitioner1477768422
  2. Natalie Small, FNP-CFamily Nurse Practitioner1467843326

Verify Gary Alan Ratkin 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 R3587
    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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Gary Alan Ratkin among 2,604 internal medicine physician records in Missouri

Gary Alan Ratkin, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 59% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2015 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

58 internal medicine physician records list a practice address in St Louis

They are 58 of the 1,420 NPPES records with a practice address in St Louis, and 2,604 internal medicine physician records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Rama Bandi, M.D.Saint Louis, MO 631031245441450
  2. Jose Baeza, M.D.Saint Louis, MO 631041568628725
  3. Fred Buckhold, M.D.Saint Louis, MO 631041417147588
  4. Nitika Kaswan, MDSaint Louis, MO 631041609032028
  5. Andrew Kichura, M.D.Saint Louis, MO 631041265794432
  6. Anuradha Kotha, M.D.Saint Louis, MO 631041437174455
  7. Ernesto Lam, M.D.Saint Louis, MO 631041790875615
  8. Chad Miller, M.D.Saint Louis, MO 631041386866333

Common questions

What is Gary Alan Ratkin, MD's NPI number?

Gary Alan Ratkin, MD's National Provider Identifier (NPI) is 1881607430, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary Alan Ratkin, MD located?

The NPPES record lists a practice address at 3200 Chouteau Ave, St Louis, MO, 63103. Phone: (314) 977-1250. Providers update this record themselves, so call before visiting.

How can I verify Gary Alan Ratkin, MD's license?

NPPES lists Missouri license number R3587, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.