THOMAS FRANK MICHNIACKI MD
NPI 1831431014
Pediatrics - Pediatric Hematology-Oncology in Ann Arbor, MI
About Thomas Frank Michniacki Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS FRANK MICHNIACKI MD (NPI 1831431014) is an individual pediatric hematology-oncology provider in Ann Arbor, Michigan, licensed in Michigan (4301110070) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and is a graduate of University Of Michigan Medical School (2013).
NPPES Registry Identity
Specialties & Licenses 2
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
Thomas Frank Michniacki 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 Thomas Michniacki 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
- 2,377 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, MIOther 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 Thomas Michniacki's NPI number?
The NPI number for Thomas Michniacki is 1831431014. It was assigned to this individual provider in the NPPES registry on March 26, 2013.
Where is Thomas Michniacki located?
Thomas Michniacki practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.
What is Thomas Michniacki's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Thomas Michniacki enrolled in Medicare?
Yes. Thomas Michniacki 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 Thomas Michniacki's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Michniacki 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 Thomas Michniacki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Michniacki accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Thomas Michniacki 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 Thomas Michniacki affiliated with any hospitals?
According to CMS data, Thomas Michniacki is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for Thomas Michniacki was last updated on February 19, 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.
# Thomas Frank Michniacki, MD · NPI 1831431014
Pediatric Hematology-Oncology physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since March 26, 2013.
## Identity
- **NPI:** 1831431014 (Entity type: Individual)
- **Enumerated:** March 26, 2013
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** 4301110070 (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 1003848144, Ann Arbor, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2013
## Record status
- **NPPES last updated:** February 19, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1831431014) · Data from the CMS NPPES public registry.