STEVEN JOHN BARTEK M.D.
NPI 1154735504
Psychiatry & Neurology - Psychiatry in Ann Arbor, MI
About Steven John Bartek M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN JOHN BARTEK M.D. (NPI 1154735504) is an individual psychiatry provider in Ann Arbor, Michigan, licensed in Michigan (4301106052) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and is a graduate of Other (2014).
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
Steven John Bartek M.d. 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 Steven Bartek 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
Hastings, MI 49058
- Reassigned Medicare billing, Michigan enrollment
- 115 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 Steven Bartek's NPI number?
The NPI number for Steven Bartek is 1154735504. It was assigned to this individual provider in the NPPES registry on June 13, 2014.
Where is Steven Bartek located?
Steven Bartek practices at 4250 Plymouth Rd, Ann Arbor, MI 48109. The listed phone number is (734) 764-6443.
What is Steven Bartek's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Steven Bartek enrolled in Medicare?
Yes. Steven Bartek 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 Steven Bartek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Bartek reassigns Medicare benefits to 2 organizations: Regents Of The University Of Michigan (Ann Arbor, MI) and Cherry Street Services Inc (Hastings, 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 Steven Bartek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Bartek 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 Steven Bartek 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 Steven Bartek affiliated with any hospitals?
According to CMS data, Steven Bartek is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for Steven Bartek was last updated on December 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Steven John Bartek, M.D. · NPI 1154735504
Psychiatry physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since June 13, 2014.
## Identity
- **NPI:** 1154735504 (Entity type: Individual)
- **Enumerated:** June 13, 2014
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 4301106052 (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); Cherry Street Services Inc (NPI 1265862841, Hastings, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** December 4, 2018
---
Source: [NPI Profile](https://npiprofile.com/npi/1154735504) · Data from the CMS NPPES public registry.