Catherine Wang, O.D.
NPI 1528266582 · Optometrist · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Wang, O.D. is a Optometrist provider in Walnut Creek, CA (NPI 1528266582).
Provider details
- NPI number
- 1528266582
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 13289 (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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,353 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 336 | $156 |
| Imaging of Optic Nerve92133 | 239 | $45 |
| Exam of Visual Field With Extended Testing92083 | 206 | $83 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 172 | $111 |
| Established Patient Complete Exam of Visual System92014 | 145 | $160 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 55 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 214 | 62 |
| Timolol Maleate | 67 | 22 |
| Brimonidine Tartrate | 36 | 15 |
| Cyclosporinebrand: Restasis | 36 | 18 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 34 | — |
| Lifitegrastbrand: Xiidra | 21 | — |
| Travoprost | 20 | — |
| Bimatoprost |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$672 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-10
- Last updated
- 2008-11-03
Frequently asked questions
- What is Catherine Wang's NPI number?
- Catherine Wang's National Provider Identifier (NPI) is 1528266582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Wang's specialty?
- Catherine Wang is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Catherine Wang located?
- Catherine Wang's practice location on file with NPPES is 1855 San Miguel Dr, Walnut Creek, CA 94596-5279.
- What is Catherine Wang's phone number?
- The practice phone number listed in the NPPES registry for Catherine Wang is (925) 935-8820.
- Does Catherine Wang accept Medicare?
- Catherine Wang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Wang's NPI active?
- Yes — Catherine Wang's NPI (1528266582) is active in the NPPES registry as of the last update on 2008-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.