IndividualActive
Tammy Nguyen
NPI 1548949860 · Technician/Technologist · San Francisco, CA
Tammy Nguyen is a Technician/Technologist provider in San Francisco, CA (NPI 1548949860).
Provider details
- NPI number
- 1548949860
- Entity type
- Individual
- Primary specialty
- Technician/TechnologistEye and Vision Services Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Established profile(52/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
4150 Clement St
San Francisco, CA 94121-1563
Phone: (415) 221-4810
Street-level locationGet directions
Mailing address
1438 8th Ave
San Francisco, CA 94122-3707
Registry dates
- Enumerated
- 2023-07-13
- Last updated
- 2023-07-13
- Certified
- 2023-07-13
Frequently asked questions
- What is Tammy Nguyen's NPI number?
- Tammy Nguyen's National Provider Identifier (NPI) is 1548949860, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Nguyen's specialty?
- Tammy Nguyen is listed in the NPPES registry with a primary specialty of Technician/Technologist (Eye and Vision Services Providers).
- Where is Tammy Nguyen located?
- Tammy Nguyen's practice location on file with NPPES is 4150 Clement St, San Francisco, CA 94121-1563.
- What is Tammy Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tammy Nguyen is (415) 221-4810.
- Is Tammy Nguyen's NPI active?
- Yes — Tammy Nguyen's NPI (1548949860) is active in the NPPES registry as of the last update on 2023-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.