SARAH A BOMMARITO MD
NPI 1841647203
Psychiatry & Neurology - Psychiatry in Ann Arbor, MI
About Sarah A Bommarito Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH A BOMMARITO MD (NPI 1841647203) is an individual psychiatry provider in Ann Arbor, Michigan, licensed in Michigan (4301117456) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and is a graduate of Wayne State University School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
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
Sarah A Bommarito 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 Reassignments
2Medicare enrollment records show Sarah Bommarito reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 97 clinicians in this Medicare group
Ypsilanti, MI 48197
- Reassigned Medicare billing, Michigan enrollment
- 180 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.
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
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 Sarah Bommarito's NPI number?
The NPI number for Sarah Bommarito is 1841647203. It was assigned to this individual provider in the NPPES registry on May 16, 2016.
Where is Sarah Bommarito located?
Sarah Bommarito practices at 4250 Plymouth Rd, Ann Arbor, MI 48109. The listed phone number is (734) 764-6443.
What is Sarah Bommarito's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Sarah Bommarito enrolled in Medicare?
Yes. Sarah Bommarito 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 organizations bill Medicare for Sarah Bommarito's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Bommarito reassigns Medicare benefits to 2 organizations: Regents Of The University Of Michigan (Ann Arbor, MI) and St Joseph Mercy Hospital (Ypsilanti, 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 Sarah Bommarito's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Bommarito 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 Sarah Bommarito 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 Sarah Bommarito affiliated with any hospitals?
According to CMS data, Sarah Bommarito is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for Sarah Bommarito was last updated on July 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Sarah A Bommarito, MD · NPI 1841647203
Psychiatry physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since May 16, 2016.
## Identity
- **NPI:** 1841647203 (Entity type: Individual)
- **Enumerated:** May 16, 2016
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 4301117456 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 4250 PLYMOUTH RD, Ann Arbor, MI 48109-2700
- **Phone:** (734) 764-6443
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of Michigan (NPI 1750606083, Ann Arbor, MI); St Joseph Mercy Hospital (NPI 1932228590, Ypsilanti, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** July 1, 2020
---
Source: [NPI Profile](https://npiprofile.com/npi/1841647203) · Data from the CMS NPPES public registry.