Francis Rafael Contreras, M.D.
Internal Medicine Physician · St Louis, MO
Francis Rafael Contreras, M.D. is an internal medicine physician with a practice address in St Louis, Missouri, and NPI 1659868354, issued on Apr 18, 2018. Check the license on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Francis Rafael Contreras
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 13811A WY
Self-reported in NPPES; status is on the state search - Practice location
- 6420 Clayton Road Department OF Internal Medicine, St Louis, MO 63117
- Phone
- (314) 768-8778
- Enumerated
- Apr 18, 2018
- Record last updated
- Sep 22, 2022
- Medicare enrollment
- Enrolled (PECOS I20250428003914); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Verify Francis Rafael Contreras in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing ArtsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
63 Medicare Part D claims for 35 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of 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.
Bills Medicare through one group practice
- Cogent Healthcare OF Montana P CMissoula, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Francis Rafael Contreras among 2,604 internal medicine physician records in Missouri
Francis Rafael Contreras, M.D. 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. Its NPI, issued in 2018, is newer than 69% of them.
- NPI issued2018 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2013 · median 2006 among the 1,443 with a school on file
- Record last updated2022 · 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.
All 2,604 in Missouri → Every provider in St Louis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Abbott, MDRichmond Heights, MO 631171568448850
- Monika Aplyn, M.D.Saint Louis, MO 631171336195247
- Kathleen Brunts, M.D.Saint Louis, MO 631171851382204
- Danita Cole, MDSaint Louis, MO 631171639152374
- Mohammad Emami, MDSaint Louis, MO 631171598712671
- Snehal Gandhi, M.D.Saint Louis, MO 631171184608689
- William Guyol, MDSaint Louis, MO 631171396738019
- Alka Kapoor, MDSaint Louis, MO 631171639122633
Common questions
What is Francis Rafael Contreras, M.D.'s NPI number?
Francis Rafael Contreras, M.D.'s National Provider Identifier (NPI) is 1659868354, issued on Apr 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Francis Rafael Contreras, M.D. located?
The NPPES record lists a practice address at 6420 Clayton Road Department OF Internal Medicine, St Louis, MO, 63117. Phone: (314) 768-8778. Providers update this record themselves, so call before visiting.
How can I verify Francis Rafael Contreras, M.D.'s license?
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 Francis Rafael Contreras, M.D. prescribe under Medicare Part D?
In 2024, Francis Rafael Contreras, M.D. had 63 Medicare Part D claims for 35 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.