IndividualActive
Marion Yan, OD
NPI 1952327090 · Optometrist · Pasadena, CA
Marion Yan, OD is a Optometrist provider in Pasadena, CA (NPI 1952327090).
Provider details
- NPI number
- 1952327090
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- CA8647 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
477 E Colorado Blvd
Pasadena, CA 91101
Phone: (626) 796-1191
Fax: (626) 796-0189
Street-level locationGet directions
Mailing address
477 E Colorado Blvd
Pasadena, CA 91101-2024
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2008-05-23
Frequently asked questions
- What is Marion Yan's NPI number?
- Marion Yan's National Provider Identifier (NPI) is 1952327090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marion Yan's specialty?
- Marion Yan is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Marion Yan located?
- Marion Yan's practice location on file with NPPES is 477 E Colorado Blvd, Pasadena, CA 91101.
- What is Marion Yan's phone number?
- The practice phone number listed in the NPPES registry for Marion Yan is (626) 796-1191.
- Is Marion Yan's NPI active?
- Yes — Marion Yan's NPI (1952327090) is active in the NPPES registry as of the last update on 2008-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.