DR. ROBERT S OPPMAN MD
NPI 1720078256
Family Medicine in Granger, IN
About Dr. Robert S Oppman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT S OPPMAN MD (NPI 1720078256) is an individual family medicine provider in Granger, Indiana, licensed in Indiana (01041600A) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Saint Joseph Regional Medical Center, and is a graduate of Indiana University School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Robert S Oppman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Robert Oppman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
South Bend, IN 46617
- Reassigned Medicare billing, Indiana enrollment
- 211 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 36
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Joseph Regional Medical Center
Acute Care Hospitals · Mishawaka, INMemorial Hospital Of South Bend
Acute Care Hospitals · South Bend, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46530 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 16
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Robert Oppman's NPI number?
The NPI number for Robert Oppman is 1720078256. It was assigned to this individual provider in the NPPES registry on October 26, 2005.
Where is Robert Oppman located?
Robert Oppman practices at 52500 Fir Rd, Granger, IN 46530. The listed phone number is (574) 271-0700.
What is Robert Oppman's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Robert Oppman enrolled in Medicare?
Yes. Robert Oppman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Robert Oppman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Oppman reassigns Medicare benefits to The South Bend Clinic LLC (South Bend, IN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Oppman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Oppman accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Anthem Blue Cross and Blue Shield list Robert Oppman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Robert Oppman affiliated with any hospitals?
According to CMS data, Robert Oppman is affiliated with Saint Joseph Regional Medical Center and Memorial Hospital Of South Bend.
When was this NPI record last updated?
The NPPES record for Robert Oppman was last updated on August 3, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.