Robert S. Oppman, MD
Family Medicine Physician · Granger, IN
Robert S. Oppman, MD is a family medicine physician with a practice address in Granger, Indiana, and NPI 1720078256, issued on Oct 26, 2005. Check the license (Indiana 01041600A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Robert S. Oppman
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 01041600A IN
Self-reported in NPPES; status is on the state search - Practice location
- 52500 Fir RD, Granger, IN 46530
- Phone
- (574) 271-0700
- Enumerated
- Oct 26, 2005
- Record last updated
- Aug 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (574) 273-5648
- Medicaid ID
- 100325790 IN
- Medicare enrollment
- Enrolled (PECOS I20091211000426); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,506 in Indiana → Look up another NPI →
Also registered at 52500 Fir RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tess Curnyn, DOFamily Medicine Physician1891222808
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- Hilary Dye, M.D.Internal Medicine Physician1831301902
Verify Robert S. Oppman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01041600ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average family medicine physician in 2024
9,073 Medicare Part D claims for 658 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 126 claims were for opioids.
Most prescribed
- Atorvastatin Calcium512 claims
- Losartan Potassium417 claims
- Amlodipine Besylate409 claims
- Levothyroxine Sodium387 claims
- Metoprolol Succinate269 claims
- Metformin Hcl Er212 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.
Industry payments in 2024: $271.47
13 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The South Bend Clinic LLCGranger, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert S. Oppman among 3,506 family medicine physician records in Indiana
Robert S. Oppman, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1992 · median 2005 among the 2,196 with a school on file
- Record last updated2016 · 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).
39 family medicine physician records list a practice address in Granger
They are 39 of the 395 NPPES records with a practice address in Granger, and 3,506 family medicine physician records in Indiana.
All 3,506 in Indiana → Every provider in Granger → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Brian Carter, MDGranger, IN 465301366432429
- Joseph Cerbin, MDGranger, IN 465301134119225
- Matthew Christ, MDGranger, IN 465301437149952
- Scott Eshowsky, M.D.Granger, IN 465301285622373
- David Grellmann, M.D.Granger, IN 465301205824570
- Shelly Harkins, MDGranger, IN 465301922093871
- Suping Hsieh, MDGranger, IN 465301972593408
- Carol Mann, MDGranger, IN 465301487644175
Common questions
What is Robert S. Oppman, MD's NPI number?
Robert S. Oppman, MD's National Provider Identifier (NPI) is 1720078256, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert S. Oppman, MD located?
The NPPES record lists a practice address at 52500 Fir RD, Granger, IN, 46530. Phone: (574) 271-0700. Providers update this record themselves, so call before visiting.
How can I verify Robert S. Oppman, MD's license?
NPPES lists Indiana license number 01041600A, 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 Robert S. Oppman, MD prescribe under Medicare Part D?
In 2024, Robert S. Oppman, MD had 9,073 Medicare Part D claims for 658 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.