OrganizationActive
Alvin Tan OD, Inc.
NPI 1619507514 · Optometrist · Glendale, CA
Alvin Tan OD, Inc. is a Optometrist organization in Glendale, CA (NPI 1619507514).
Provider details
- NPI number
- 1619507514
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Alvin Tan, President(916) 205-8392
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
454 W Colorado St
Glendale, CA 91204-1504
Phone: (818) 484-7905
Street-level locationGet directions
Mailing address
454 W Colorado St
Glendale, CA 91204-1504
Registry dates
- Enumerated
- 2020-01-20
- Last updated
- 2020-01-20
- Certified
- 2020-01-20
Frequently asked questions
- What is Alvin Tan OD, Inc.'s NPI number?
- Alvin Tan OD, Inc.'s National Provider Identifier (NPI) is 1619507514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alvin Tan OD, Inc.?
- Alvin Tan OD, Inc. is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Alvin Tan OD, Inc. located?
- Alvin Tan OD, Inc.'s practice location on file with NPPES is 454 W Colorado St, Glendale, CA 91204-1504.
- What is Alvin Tan OD, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Alvin Tan OD, Inc. is (818) 484-7905.
- Who is the authorized official for Alvin Tan OD, Inc.?
- The authorized official listed on Alvin Tan OD, Inc.'s NPPES record is Alvin Tan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alvin Tan OD, Inc.'s NPI active?
- Yes — Alvin Tan OD, Inc.'s NPI (1619507514) is active in the NPPES registry as of the last update on 2020-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.