DR. SUN-YUNG BAK D.D.S.
NPI 1255343075
Dentist - Prosthodontics in Ann Arbor, MI
About Dr. Sun-yung Bak D.d.s. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SUN-YUNG BAK D.D.S. (NPI 1255343075) is an individual prosthodontics provider in Ann Arbor, Michigan, licensed in Michigan (2901022863) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 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 (PECOS)
Dr. Sun-yung Bak D.d.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sun-yung Bak 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
- 18 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.
Physician 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.
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 Sun-yung Bak's NPI number?
The NPI number for Sun-yung Bak is 1255343075. It was assigned to this individual provider in the NPPES registry on August 12, 2006.
Where is Sun-yung Bak located?
Sun-yung Bak practices at 1011 N University Ave, Ann Arbor, MI 48109. The listed phone number is (734) 764-5527.
What is Sun-yung Bak's specialty?
The primary specialty registered for this NPI is Dentist, specializing in Prosthodontics, with taxonomy code 1223P0700X.
Is Sun-yung Bak enrolled in Medicare?
Yes. Sun-yung Bak is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sun-yung Bak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sun-yung Bak reassigns Medicare benefits to Regents Of The University Of Michigan Dental Faculty Associates (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 Sun-yung Bak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sun-yung Bak accept?
Health plans from Delta Dental of Michigan list Sun-yung Bak 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 Sun-yung Bak was last updated on September 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Sun-Yung Bak, D.D.S. · NPI 1255343075
Prosthodontics provider in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since August 12, 2006.
## Identity
- **NPI:** 1255343075 (Entity type: Individual)
- **Enumerated:** August 12, 2006
- **Primary specialty:** Dentist - Prosthodontics · taxonomy 1223P0700X
- **State license:** 2901022863 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1011 N UNIVERSITY AVE, Ann Arbor, MI 48109-1078
- **Phone:** (734) 764-5527
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Regents Of The University Of Michigan Dental Faculty Associates (NPI 1932279882, Ann Arbor, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 30, 2021
- **Other identifiers:** Other 00132 (NC); Other 047799 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1255343075) · Data from the CMS NPPES public registry.