Garrett Tien, D.D.S.
NPI 1811296916 · General Practice Dentistry · Hayward, CA
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1811296916
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- No
- License
- 60220 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
5 documented practice locations
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
Additional practice locations (4)
- 16110 E 14th StAshland, CA 94578-3002Phone: (510) 471-5880
- 680 W Tennyson Rd Rm 12Hayward, CA 94544-5236Phone: (510) 471-5880
- 28300 Huntwood AveHayward, CA 94544-5425Phone: (510) 471-5880
- 33255 9th StUnion City, CA 94587-2137Phone: (510) 471-5880
Registry dates
- Enumerated
- 2011-03-15
- Last updated
- 2026-04-08
- Certified
- 2026-04-08
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.