Cathryn Zhang, MD
NPI 1548586134 · Dermatology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cathryn Zhang, MD is a Dermatology Physician provider in Seattle, WA (NPI 1548586134).
Provider details
- NPI number
- 1548586134
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 60479490 (WA)
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
16 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
1,988 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 269 | $2 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 261 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 233 | $140 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 203 | $103 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 139 | $100 |
| Destruction of Precancer Skin Growth, 1 Growth17000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 85 | 41 |
| Triamcinolone Acetonide | 81 | 48 |
| Clobetasol Propionate | 76 | 40 |
| Hydrocortisone | 49 | 33 |
| Fluorouracil | 40 | 38 |
| Nystatin | 39 | 15 |
| Dupilumabbrand: Dupixent Pen | 28 | — |
| Hydroxychloroquine Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$501 across 8 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
- 2010-04-08
- Last updated
- 2014-11-12
Frequently asked questions
- What is Cathryn Zhang's NPI number?
- Cathryn Zhang's National Provider Identifier (NPI) is 1548586134, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cathryn Zhang's specialty?
- Cathryn Zhang is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Cathryn Zhang located?
- Cathryn Zhang's practice location on file with NPPES is 1100 9th Ave, Seattle, WA 98101-2756.
- What is Cathryn Zhang's phone number?
- The practice phone number listed in the NPPES registry for Cathryn Zhang is (206) 223-6781.
- Does Cathryn Zhang accept Medicare?
- Cathryn Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cathryn Zhang's NPI active?
- Yes — Cathryn Zhang's NPI (1548586134) is active in the NPPES registry as of the last update on 2014-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.