MARK FREDERICK RIEDERER MD
NPI 1225076359
Orthopaedic Surgery in Salt Lake City, UT
About Mark Frederick Riederer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK FREDERICK RIEDERER MD (NPI 1225076359) is an individual orthopaedic surgery provider in Salt Lake City, Utah, licensed in Utah (13944824-1205) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Frederick Riederer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Mark Riederer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Salt Lake City, UT 84108
- Reassigned Medicare billing, Utah enrollment
- 2,620 clinicians in this Medicare group
Salt Lake City, UT 84113
- Reassigned Medicare billing, Utah enrollment
- 751 clinicians in this Medicare group
Brighton, MI 48116
- Reassigned Medicare billing, Michigan enrollment
- 48 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 84108 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SALT LAKE CITY, UT 84108
SALT LAKE CITY, UT 84108
SALT LAKE CITY, UT 84108
SALT LAKE CITY, UT 84108
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 Mark Riederer's NPI number?
The NPI number for Mark Riederer is 1225076359. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is Mark Riederer located?
Mark Riederer practices at 590 Wakara Way, Salt Lake City, UT 84108. The listed phone number is (801) 587-7109.
What is Mark Riederer's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Mark Riederer enrolled in Medicare?
Yes. Mark Riederer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Riederer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Riederer reassigns Medicare benefits to 3 organizations: University Of Utah Adult Services (Salt Lake City, UT), University Of Utah Pediatric Services (Salt Lake City, UT) and Regents Of The University Of Michigan (Brighton, MI). Each 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 Mark Riederer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Riederer accept?
Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah and University of Utah Health Plans list Mark Riederer 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.
When was this NPI record last updated?
The NPPES record for Mark Riederer was last updated on December 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.
# Mark Frederick Riederer, MD · NPI 1225076359
Orthopaedic Surgery physician in Salt Lake City, Utah. Individual provider, active in the CMS NPPES registry since June 2, 2006.
## Identity
- **NPI:** 1225076359 (Entity type: Individual)
- **Enumerated:** June 2, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 13944824-1205 (Utah)
- **Sole proprietor:** No
## Practice location
- **Address:** 590 WAKARA WAY, Salt Lake City, UT 84108
- **Phone:** (801) 587-7109
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): University Of Utah Adult Services (NPI 1487000287, Salt Lake City, UT); University Of Utah Pediatric Services (NPI 1023472594, Salt Lake City, UT); Regents Of The University Of Michigan (NPI 1568497782, Brighton, MI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1225076359) · Data from the CMS NPPES public registry.