DR. RONALD D NELSON MD
NPI 1629076328
Internal Medicine - Interventional Cardiology in South Bend, IN
About Dr. Ronald D Nelson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RONALD D NELSON MD (NPI 1629076328) is an individual interventional cardiology provider in South Bend, Indiana, licensed in Indiana (01031367A) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 4
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Ronald D Nelson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ronald Nelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
South Bend, IN 46601
- Reassigned Medicare billing, Indiana enrollment
- 33 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTH BEND, IN 46601
SOUTH BEND, IN 46601
SOUTH BEND, IN 46601
SOUTH BEND, IN 46601
SOUTH BEND, IN 46601
SOUTH BEND, IN 46601
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 Ronald Nelson's NPI number?
The NPI number for Ronald Nelson is 1629076328. It was assigned to this individual provider in the NPPES registry on July 7, 2005.
Where is Ronald Nelson located?
Ronald Nelson practices at 610 N Michigan St Ste 400, South Bend, IN 46601. The listed phone number is (574) 647-8120.
What is Ronald Nelson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Ronald Nelson enrolled in Medicare?
Yes. Ronald Nelson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ronald Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Nelson reassigns Medicare benefits to Memorial Hospital Of South Bend (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 Ronald Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ronald Nelson was last updated on April 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Ronald D Nelson, MD · NPI 1629076328
Interventional Cardiology physician in South Bend, Indiana. Individual provider, active in the CMS NPPES registry since July 7, 2005.
## Identity
- **NPI:** 1629076328 (Entity type: Individual)
- **Enumerated:** July 7, 2005
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** 01031367A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 610 N MICHIGAN ST, STE 400, South Bend, IN 46601-1081
- **Phone:** (574) 647-8120 · **Fax:** (574) 647-3111
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for durable medical equipment, power mobility devices
- **Bills Medicare through:** Memorial Hospital Of South Bend (NPI 1295772093, South Bend, IN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 28, 2023
- **Other identifiers:** Other 000000849518 (IN); Medicaid 100163560 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1629076328) · Data from the CMS NPPES public registry.