Cathy Zhang, MD
NPI 1164082426 · Ophthalmology Physician · Silverdale, WA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cathy Zhang, MD is a Ophthalmology Physician provider in Silverdale, WA (NPI 1164082426).
Provider details
- NPI number
- 1164082426
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25MA11762300 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,996 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 Problem Focused Exam of Visual System92012 | 578 | $95 |
| Established Patient Complete Exam of Visual System92014 | 428 | $133 |
| Imaging of Optic Nerve92133 | 232 | $38 |
| Exam of Visual Field With Extended Testing92083 | 133 | $68 |
| Imaging of Retina92134 | 129 | $42 |
| New Patient Complete Exam of Visual System92004 | 126 | $158 |
| Exam of the Internal Drainage System of Eye92020 |
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 | 228 | 93 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 96 | 49 |
| Prednisolone Acetate | 73 | 45 |
| Brimonidine Tartrate | 71 | 28 |
| Brinzolamide/Brimonidine Tartbrand: Simbrinza | 49 | 19 |
| Timolol Maleate | 45 | 18 |
| Erythromycin Basebrand: Erythromycin | 37 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$69 across 4 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
Additional practice locations (1)
- 509 S Lenola Rd # 11-AMoorestown, NJ 08057-1561Phone: (856) 234-0222
Registry dates
- Enumerated
- 2019-06-19
- Last updated
- 2025-05-20
- Certified
- 2025-05-20
Frequently asked questions
- What is Cathy Zhang's NPI number?
- Cathy Zhang's National Provider Identifier (NPI) is 1164082426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cathy Zhang's specialty?
- Cathy Zhang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Cathy Zhang located?
- Cathy Zhang's practice location on file with NPPES is 10452 Silverdale Way Nw, Silverdale, WA 98383-9411.
- What is Cathy Zhang's phone number?
- The practice phone number listed in the NPPES registry for Cathy Zhang is (360) 307-7300.
- Does Cathy Zhang accept Medicare?
- Cathy Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cathy Zhang's NPI active?
- Yes — Cathy Zhang's NPI (1164082426) is active in the NPPES registry as of the last update on 2025-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.