GEORGE BORIS MYCHALISKA MD
NPI 1881796118
Surgery - Pediatric Surgery in Ann Arbor, MI
About George Boris Mychaliska Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEORGE BORIS MYCHALISKA MD (NPI 1881796118) is an individual pediatric surgery provider in Ann Arbor, Michigan, licensed in Michigan (4301074649) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
George Boris Mychaliska 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
5Medicare enrollment records show George Mychaliska reassigns Medicare billing to 5 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
- 2,377 clinicians in this Medicare group
Ypsilanti, MI 48197
- Reassigned Medicare billing, Michigan enrollment
- 180 clinicians in this Medicare group
Waterford, MI 48328
- Reassigned Medicare billing, Michigan enrollment
- 139 clinicians in this Medicare group
Mason, MI 48854
- Reassigned Medicare billing, Michigan enrollment
- 916 clinicians in this Medicare group
Flint, MI 48507
- Reassigned Medicare billing, Michigan enrollment
- 467 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.
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 George Mychaliska's NPI number?
The NPI number for George Mychaliska is 1881796118. It was assigned to this individual provider in the NPPES registry on September 5, 2006.
Where is George Mychaliska located?
George Mychaliska practices at 1500 E Medical Center Dr Fl 4, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.
What is George Mychaliska's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.
Is George Mychaliska enrolled in Medicare?
Yes. George Mychaliska 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 George Mychaliska's services?
According to the CMS Revalidation Reassignment List (October 2026 release), George Mychaliska reassigns Medicare benefits to 5 organizations: Regents Of The University Of Michigan (Ann Arbor, MI), St Joseph Mercy Hospital (Ypsilanti, MI), Sjmh Medical Practice-Smhc (Waterford, MI), Edward W. Sparrow Hospital Association (Mason, MI) and Hurley Medical Center (Flint, 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 George Mychaliska's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does George Mychaliska 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 2 other insurers list George Mychaliska 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.
When was this NPI record last updated?
The NPPES record for George Mychaliska was last updated on November 25, 2019. 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.
# George Boris Mychaliska, MD · NPI 1881796118
Pediatric Surgery physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since September 5, 2006.
## Identity
- **NPI:** 1881796118 (Entity type: Individual)
- **Enumerated:** September 5, 2006
- **Primary specialty:** Surgery - Pediatric Surgery · taxonomy 2086S0120X
- **State license:** 4301074649 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DR FL 4, 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:** 5 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of Michigan (NPI 1003848144, Ann Arbor, MI); St Joseph Mercy Hospital (NPI 1548388606, Ypsilanti, MI); Sjmh Medical Practice-Smhc (NPI 1366644551, Waterford, MI); Edward W. Sparrow Hospital Association (NPI 1689683641, Mason, MI); Hurley Medical Center (NPI 1194143982, Flint, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** November 25, 2019
- **Other identifiers:** Medicaid 4677482 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1881796118) · Data from the CMS NPPES public registry.