John T. Renzi, MD
Family Medicine Physician · South Bend, IN
John T. Renzi, MD is a family medicine physician with a practice address in South Bend, Indiana, and NPI 1679140966, issued on Jun 7, 2021. Check the license (Indiana 01093006A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- John T. Renzi
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 01093006A IN
125.078700 IL
Self-reported in NPPES; status is on the state search - Practice location
- 615 N Michigan St 1St FL Hospitalist Ste, South Bend, IN 46601
- Phone
- (574) 647-3050
- Enumerated
- Jun 7, 2021
- Record last updated
- Mar 30, 2026
- Fax
- (574) 647-1094
- Medicaid ID
- 300092808 IN
- Medicare enrollment
- Enrolled (PECOS I20240730003951); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,506 in Indiana → Look up another NPI →
Also registered at 615 N Michigan St 1St FL Hospitalist Ste
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John T. Renzi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01093006ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family medicine physician in 2024
540 Medicare Part D claims for 69 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Metoprolol Succinate40 claims
- Atorvastatin Calcium27 claims
- Buspirone Hcl23 claims
- Gabapentin22 claims
- Duloxetine Hcl19 claims
- Hydrochlorothiazide18 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
- Beacon Medical Group IncSouth Bend, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John T. Renzi among 3,506 family medicine physician records in Indiana
John T. Renzi, MD is one of 3,506 family medicine physician records with a practice address in Indiana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2021 · median 2005 among the 2,196 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 207Q00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
145 family medicine physician records list a practice address in South Bend
They are 145 of the 3,178 NPPES records with a practice address in South Bend, and 3,506 family medicine physician records in Indiana.
All 3,506 in Indiana → Every provider in South Bend → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Clayton, M.D.South Bend, IN 466011912988460
- Anton Crepinsek, MDSouth Bend, IN 466011326038902
- Kenneth Elek, M.D.South Bend, IN 466011912995267
- Charles Hagenow, M.D.South Bend, IN 466011568450732
- Alberta Henderson, M.D.South Bend, IN 466011477541654
- Jason Marker, M.D.South Bend, IN 466011215936968
- Paul Misch, MDSouth Bend, IN 466011942277876
- Dale Patterson, M.D.South Bend, IN 466011033115852
Common questions
What is John T. Renzi, MD's NPI number?
John T. Renzi, MD's National Provider Identifier (NPI) is 1679140966, issued on Jun 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is John T. Renzi, MD located?
The NPPES record lists a practice address at 615 N Michigan St 1St FL Hospitalist Ste, South Bend, IN, 46601. Phone: (574) 647-3050. Providers update this record themselves, so call before visiting.
How can I verify John T. Renzi, MD's license?
NPPES lists Indiana license number 01093006A, 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 John T. Renzi, MD prescribe under Medicare Part D?
In 2024, John T. Renzi, MD had 540 Medicare Part D claims for 69 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.