STEPHEN DOUGLAS RIUTTA MD
NPI 1114422144
Anesthesiology in Ypsilanti, MI
About Stephen Douglas Riutta Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN DOUGLAS RIUTTA MD (NPI 1114422144) is an individual anesthesiology provider in Ypsilanti, Michigan, licensed in Michigan (4301509526) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 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 and accepts Medicare assignment
Stephen Douglas Riutta 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 Riutta reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ypsilanti, MI 48197
- Reassigned Medicare billing, Michigan enrollment
- 5 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 11
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.
University Of Michigan Health System
Acute Care Hospitals · Ann Arbor, MITrinity Health Ann Arbor Hospital
Acute Care Hospitals · Ann Arbor, MIOther Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
YPSILANTI, MI 48197
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 Riutta's NPI number?
The NPI number for Stephen Riutta is 1114422144. It was assigned to this individual provider in the NPPES registry on March 30, 2018.
Where is Stephen Riutta located?
Stephen Riutta practices at 5333 Mcauley Dr Rm 1000, Ypsilanti, MI 48197. The listed phone number is (734) 712-7246.
What is Stephen Riutta's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Stephen Riutta enrolled in Medicare?
Yes. Stephen Riutta 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 Riutta's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Riutta reassigns Medicare benefits to Michigan Pain Institute, PLLC (Ypsilanti, MI). 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 Riutta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Riutta accept?
Health plans from Priority Health list Stephen Riutta 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 Riutta affiliated with any hospitals?
According to CMS data, Stephen Riutta is affiliated with University Of Michigan Health System and Trinity Health Ann Arbor Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Riutta was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Stephen Douglas Riutta, MD · NPI 1114422144
Anesthesiology physician in Ypsilanti, Michigan. Individual provider, active in the CMS NPPES registry since March 30, 2018.
## Identity
- **NPI:** 1114422144 (Entity type: Individual)
- **Enumerated:** March 30, 2018
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 4301509526 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 5333 MCAULEY DR RM 1000, Ypsilanti, MI 48197-1024
- **Phone:** (734) 712-7246 · **Fax:** (734) 712-5084
## 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:** Michigan Pain Institute, PLLC (NPI 1437257557, Ypsilanti, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Homeopathic Medical School, class of 2018
## Record status
- **NPPES last updated:** October 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1114422144) · Data from the CMS NPPES public registry.