Irene Sang, O.D.
NPI 1073648861 · Corneal and Contact Management Optometrist · South Pasadena, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irene Sang, O.D. is a Corneal and Contact Management Optometrist provider in South Pasadena, CA (NPI 1073648861).
Provider details
- NPI number
- 1073648861
- Entity type
- Individual
- Primary specialty
- Corneal and Contact Management OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 8021T (CA)
Specialties & taxonomies
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
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
Mailing address
Registry dates
- Enumerated
- 2007-02-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Irene Sang's NPI number?
- Irene Sang's National Provider Identifier (NPI) is 1073648861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Sang's specialty?
- Irene Sang is listed in the NPPES registry with a primary specialty of Corneal and Contact Management Optometrist (Eye and Vision Services Providers).
- Where is Irene Sang located?
- Irene Sang's practice location on file with NPPES is 729 Mission St Ste 200, South Pasadena, CA 91030-3072.
- What is Irene Sang's phone number?
- The practice phone number listed in the NPPES registry for Irene Sang is (626) 441-5300.
- Does Irene Sang accept Medicare?
- Irene Sang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irene Sang's NPI active?
- Yes — Irene Sang's NPI (1073648861) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.