Tony Yichuan Ren, M.D.
Internal Medicine Physician · Indianapolis, IN
Tony Yichuan Ren, M.D. is an internal medicine physician with a practice address in Indianapolis, Indiana, and NPI 1831503283, issued on Jun 13, 2014. Check the license (Indiana 01078847A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Tony Yichuan Ren
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 01078847A IN
11017669A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1120 South Dr, Indianapolis, IN 46202
- Phone
- (317) 274-8282
- Enumerated
- Jun 13, 2014
- Record last updated
- Mar 10, 2022
- Medicare enrollment
- Enrolled (PECOS I20170808003616); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2012
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 1120 South Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tony Yichuan Ren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01078847ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
366 Medicare Part D claims for 72 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Pantoprazole Sodium65 claims
- Eliquis26 claims
- Atorvastatin Calcium23 claims
- Trazodone Hcl14 claims
- Minocycline Hcl11 claims
- Sertraline Hcl11 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 2 group practices
- IU Health Medical Group LLCIndianapolis, IN
- University Family Physicians, Inc.Indianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tony Yichuan Ren among 2,109 internal medicine physician records in Indiana
Tony Yichuan Ren, M.D. is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 70% of them.
- NPI issued2014 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2012 · median 2005 among the 1,448 with a school on file
- Record last updated2022 · 43% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
699 internal medicine physician records list a practice address in Indianapolis
They are 699 of the 30,493 NPPES records with a practice address in Indianapolis, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Indianapolis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Mason Goodman, MDIndianapolis, IN 462021508848433
- Areeba Kara, M.D.Indianapolis, IN 462021528069978
- Irina Khan, M.D.Indianapolis, IN 462021508852294
- Audrey Maminta, MDIndianapolis, IN 462021518941863
- Patrick McQuillan, M.D.Indianapolis, IN 462021669473989
- Jeffrey Mossler, MDIndianapolis, IN 462021356312896
Common questions
What is Tony Yichuan Ren, M.D.'s NPI number?
Tony Yichuan Ren, M.D.'s National Provider Identifier (NPI) is 1831503283, issued on Jun 13, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Tony Yichuan Ren, M.D. located?
The NPPES record lists a practice address at 1120 South Dr, Indianapolis, IN, 46202. Phone: (317) 274-8282. Providers update this record themselves, so call before visiting.
How can I verify Tony Yichuan Ren, M.D.'s license?
NPPES lists Indiana license number 01078847A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tony Yichuan Ren, M.D. prescribe under Medicare Part D?
In 2024, Tony Yichuan Ren, M.D. had 366 Medicare Part D claims for 72 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.