Sun-Yung Bak, D.D.S.
NPI 1255343075 · Prosthodontics · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sun-Yung Bak, D.D.S. is a Prosthodontics provider in Ann Arbor, MI (NPI 1255343075).
Provider details
- NPI number
- 1255343075
- Entity type
- Individual
- Primary specialty
- ProsthodonticsDental Providers
- Credential
- D.D.S.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 00132 (NC)
Specialties & taxonomies
Dental Providers
Dental Providers
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-12
- Last updated
- 2021-09-30
- Certified
- 2021-09-07
Frequently asked questions
- What is Sun-Yung Bak's NPI number?
- Sun-Yung Bak's National Provider Identifier (NPI) is 1255343075, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sun-Yung Bak's specialty?
- Sun-Yung Bak is listed in the NPPES registry with a primary specialty of Prosthodontics (Dental Providers).
- Where is Sun-Yung Bak located?
- Sun-Yung Bak's practice location on file with NPPES is 1011 N University Ave, Ann Arbor, MI 48109-1078.
- What is Sun-Yung Bak's phone number?
- The practice phone number listed in the NPPES registry for Sun-Yung Bak is (734) 764-5527.
- Does Sun-Yung Bak accept Medicare?
- Sun-Yung Bak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sun-Yung Bak's NPI active?
- Yes — Sun-Yung Bak's NPI (1255343075) is active in the NPPES registry as of the last update on 2021-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.