STEPHEN M RITTER MD
NPI 1912938721
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Carmel, IN
About Stephen M Ritter Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN M RITTER MD (NPI 1912938721) is an individual orthopaedic surgery of the spine provider in Carmel, Indiana, licensed in Indiana (01062442A) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Franciscan Health Indianapolis, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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
Stephen M Ritter 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 Stephen Ritter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carmel, IN 46032
- Reassigned Medicare billing, Indiana enrollment
- 91 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 10
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.
Franciscan Health Indianapolis
Acute Care Hospitals · Indianapolis, INFranciscan Health Orthopedic Hospital Carmel
Acute Care Hospitals · Carmel, INMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
CARMEL, IN 46032
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 Stephen Ritter's NPI number?
The NPI number for Stephen Ritter is 1912938721. It was assigned to this individual provider in the NPPES registry on July 6, 2006.
Where is Stephen Ritter located?
Stephen Ritter practices at 10767 Illinois St Ste 3000, Carmel, IN 46032. The listed phone number is (317) 817-1200.
What is Stephen Ritter's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Stephen Ritter enrolled in Medicare?
Yes. Stephen Ritter 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 Stephen Ritter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Ritter reassigns Medicare benefits to Thomas A Brady Sports Medicine Center, PC (Carmel, 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 Stephen Ritter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Ritter accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Stephen Ritter 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 Stephen Ritter affiliated with any hospitals?
According to CMS data, Stephen Ritter is affiliated with Franciscan Health Indianapolis and Franciscan Health Orthopedic Hospital Carmel.
When was this NPI record last updated?
The NPPES record for Stephen Ritter was last updated on June 8, 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.
# Stephen M Ritter, MD · NPI 1912938721
Orthopaedic Surgery of the Spine physician in Carmel, Indiana. Individual provider, active in the CMS NPPES registry since July 6, 2006.
## Identity
- **NPI:** 1912938721 (Entity type: Individual)
- **Enumerated:** July 6, 2006
- **Primary specialty:** Orthopaedic Surgery - Orthopaedic Surgery of the Spine · taxonomy 207XS0117X
- **State license:** 01062442A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 10767 ILLINOIS ST STE 3000, Carmel, IN 46032-8972
- **Phone:** (317) 817-1200 · **Fax:** (317) 817-1220
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Thomas A Brady Sports Medicine Center, PC (NPI 1467484212, Carmel, IN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Iowa, Rj & L Carver College Of Medicine, class of 2000
## Record status
- **NPPES last updated:** June 8, 2023
- **Other identifiers:** Medicaid 200887310 (IN); Medicaid 2606899 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1912938721) · Data from the CMS NPPES public registry.