What is Cathryn Zhang's specialty?

Cathryn Zhang (NPI 1548586134) is a Medicare-billing provider whose primary specialty is Dermatology in Seattle, WA.

Where does Cathryn Zhang practice?

Cathryn Zhang practices in Seattle, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1548586134.

How much does Medicare pay Cathryn Zhang?

Cathryn Zhang (NPI 1548586134) received approximately $103K in total Medicare Part B payments, serving 500 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1548586134

Cathryn ZhangMD

DermatologySeattle, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,330

Unique beneficiaries

—

Total services

1,988

Distinct HCPCS

Medicare payment

$94K

Peer benchmark

Total Medicare services vs. 299 Dermatology providers in WA — above median (cohort median 1,954).

PRESCRIBING · PART D · 2024

Total Rx claims

656

Beneficiaries

—

Total drug cost

$277K

Distinct drugs

Brand share

15.7%

Top prescribed drugs

Ketoconazole85 claims

Triamcinolone Acetonide81 claims

Clobetasol Propionate76 claims

Hydrocortisone49 claims

Fluorouracil40 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$151

Payment records

By payment type

Food and Beverage$151

Top paying entities

Food and Beverage$151

REFERRAL NETWORK

Where Cathryn Zhang's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Christopher Danenhower Pathology · Bellingham, WA	67	159
Anna Venneman Pathology · Columbia, MO	48	101
Ravi Krishnan Dermatology · Seattle, WA	15	55
Jane Yoo Dermatology · Seattle, WA	15	87
Ulrike Ochs Dermatology · Seattle, WA	14	105
Edwin Rhim Dermatology · Seattle, WA	14	251
Christopher Fellows Clinical Cardiac Electrophysiology · Seattle, WA	14	52
Donald Guinee Pathology · Seattle, WA	13	28
Sarah Dick Dermatology · Kirkland, WA	11	92
WONG, STACEY	11	30

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events