Rahul Chauhan, M.D.
Internal Medicine Physician · Saint Louis, MO
Rahul Chauhan, M.D. is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1558517433, issued on Aug 12, 2008. Check the license (Missouri 2011018394, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Rahul Chauhan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 2011018394 MO
56044 MN
Self-reported in NPPES; status is on the state search - Practice location
- 6420 Clayton RD, Saint Louis, MO 63117
- Phone
- (314) 768-8000
- Enumerated
- Aug 12, 2008
- Record last updated
- Jul 28, 2026
- Fax
- (314) 317-0606
- Medicaid ID
- 1558517433 MO
- Medicare enrollment
- Enrolled (PECOS I20130418000357); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 6420 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rahul Chauhan 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 2011018394Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average internal medicine physician in 2024
818 Medicare Part D claims for 209 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Furosemide58 claims
- Metoprolol Succinate34 claims
- Prednisone32 claims
- Cefdinir29 claims
- Atorvastatin Calcium26 claims
- Pantoprazole Sodium24 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Healtheast Medical Research InstituteSaint Paul, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rahul Chauhan among 2,604 internal medicine physician records in Missouri
Rahul Chauhan, 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 2008, is newer than 47% of them.
- NPI issued2008 · 47% of these records are older, 50% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2000 · median 2006 among the 1,443 with a school on file
- Record last updated2026 · 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).
941 internal medicine physician records list a practice address in Saint Louis
They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Saint 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 Rahul Chauhan, M.D.'s NPI number?
Rahul Chauhan, M.D.'s National Provider Identifier (NPI) is 1558517433, issued on Aug 12, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Rahul Chauhan, M.D. located?
The NPPES record lists a practice address at 6420 Clayton RD, Saint Louis, MO, 63117. Phone: (314) 768-8000. Providers update this record themselves, so call before visiting.
How can I verify Rahul Chauhan, M.D.'s license?
NPPES lists Missouri license number 2011018394, 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 Rahul Chauhan, M.D. prescribe under Medicare Part D?
In 2024, Rahul Chauhan, M.D. had 818 Medicare Part D claims for 209 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Rahul Chauhan, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.