Elizabeth Yang, M.D.
NPI 1679865257 · Ophthalmology Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Yang, M.D. is a Ophthalmology Physician provider in Santa Ana, CA (NPI 1679865257).
Provider details
- NPI number
- 1679865257
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A133844 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 579 | 219 |
| Prednisolone Acetate | 242 | 159 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 188 | 76 |
| Timolol Maleate | 150 | 63 |
| Brimonidine Tartrate | 113 | 49 |
| Cyclosporine | 83 | 29 |
| Dorzolamide Hcl | 51 | 20 |
| Neomycin/Polymyxin B/Dexametha |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-13
- Last updated
- 2021-12-01
- Certified
- 2021-12-01
Frequently asked questions
- What is Elizabeth Yang's NPI number?
- Elizabeth Yang's National Provider Identifier (NPI) is 1679865257, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Yang's specialty?
- Elizabeth Yang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Yang located?
- Elizabeth Yang's practice location on file with NPPES is 3401 S Harbor Blvd, Santa Ana, CA 92704-7933.
- What is Elizabeth Yang's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Yang is (888) 988-2800.
- Does Elizabeth Yang accept Medicare?
- Elizabeth Yang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Yang's NPI active?
- Yes — Elizabeth Yang's NPI (1679865257) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.