RIEHAM OWDA MD
NPI 1629503537
Obstetrics & Gynecology - Complex Family Planning in Ann Arbor, MI
About Rieham Owda Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RIEHAM OWDA MD (NPI 1629503537) is an individual complex family planning provider in Ann Arbor, Michigan, licensed in Michigan (4301504396) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains a secondary practice location in Columbus.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Rieham Owda 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 Rieham Owda reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 128 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.
Hospital Affiliations CMS Care Compare
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, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
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 Rieham Owda's NPI number?
The NPI number for Rieham Owda is 1629503537. It was assigned to this individual provider in the NPPES registry on April 28, 2017.
Where is Rieham Owda located?
Rieham Owda practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.
What is Rieham Owda's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Complex Family Planning, with taxonomy code 207VC0300X.
Is Rieham Owda enrolled in Medicare?
Yes. Rieham Owda 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 Rieham Owda's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rieham Owda reassigns Medicare benefits to Regents Of The University Of Michigan (Ann Arbor, 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 Rieham Owda's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rieham Owda accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Rieham Owda 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 Rieham Owda affiliated with any hospitals?
According to CMS data, Rieham Owda is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for Rieham Owda was last updated on April 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Rieham Owda, MD · NPI 1629503537
Complex Family Planning physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since April 28, 2017.
## Identity
- **NPI:** 1629503537 (Entity type: Individual)
- **Enumerated:** April 28, 2017
- **Primary specialty:** Obstetrics & Gynecology - Complex Family Planning · taxonomy 207VC0300X
- **State license:** 4301504396 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109-5000
- **Phone:** (734) 936-4000
## 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:** Regents Of The University Of Michigan (NPI 1639104854, Ann Arbor, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Human Medicine, class of 2017
## Record status
- **NPPES last updated:** April 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1629503537) · Data from the CMS NPPES public registry.