B Jeffrey Blue OD and Jason Chang OD Inc
NPI 1427291897 · Optometrist · San Luis Obispo, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
B Jeffrey Blue OD and Jason Chang OD Inc is a Optometrist organization in San Luis Obispo, CA (NPI 1427291897).
Provider details
- NPI number
- 1427291897
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Jason Chang, Corporate Officer(805) 542-0700
- License
- 13148 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-04-14
- Last updated
- 2018-04-05
Frequently asked questions
- What is B Jeffrey Blue OD and Jason Chang OD Inc's NPI number?
- B Jeffrey Blue OD and Jason Chang OD Inc's National Provider Identifier (NPI) is 1427291897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is B Jeffrey Blue OD and Jason Chang OD Inc?
- B Jeffrey Blue OD and Jason Chang OD Inc is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is B Jeffrey Blue OD and Jason Chang OD Inc located?
- B Jeffrey Blue OD and Jason Chang OD Inc's practice location on file with NPPES is 1245 Broad St, San Luis Obispo, CA 93401-3907.
- What is B Jeffrey Blue OD and Jason Chang OD Inc's phone number?
- The practice phone number listed in the NPPES registry for B Jeffrey Blue OD and Jason Chang OD Inc is (805) 542-0700.
- Does B Jeffrey Blue OD and Jason Chang OD Inc accept Medicare?
- B Jeffrey Blue OD and Jason Chang OD Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for B Jeffrey Blue OD and Jason Chang OD Inc?
- The authorized official listed on B Jeffrey Blue OD and Jason Chang OD Inc's NPPES record is Jason Chang, Corporate Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is B Jeffrey Blue OD and Jason Chang OD Inc's NPI active?
- Yes — B Jeffrey Blue OD and Jason Chang OD Inc's NPI (1427291897) is active in the NPPES registry as of the last update on 2018-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.