What is Sanhwan Chen's specialty?

Sanhwan Chen (NPI 1932165784) is a Medicare-billing provider whose primary specialty is Dermatology in Everett, WA.

Where does Sanhwan Chen practice?

Sanhwan Chen practices in Everett, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1932165784.

How much does Medicare pay Sanhwan Chen?

Sanhwan Chen (NPI 1932165784) received approximately $234K in total Medicare Part B payments, serving 948 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1932165784

Sanhwan Chen

PRACTICEOPTUM CARE WASHINGTON PLLCSee all providers at this practice →

DermatologyEverett, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,307

Unique beneficiaries

—

Total services

4,190

Distinct HCPCS

Medicare payment

$218K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

357

Beneficiaries

—

Total drug cost

$12K

Distinct drugs

Brand share

3.9%

Top prescribed drugs

Triamcinolone Acetonide58 claims

Fluorouracil48 claims

Betamethasone Dipropionate39 claims

Doxycycline Hyclate31 claims

Ketoconazole27 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Sanhwan Chen'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Amy Cheng Dermatology · Marysville, WA	37	65
NOSAL, JANE	24	29
Fa Abigail De Imus Dermatology · Marysville, WA	22	55
Alexander Jack Dermatology · Ladera Ranch, CA	22	32
UNIVERSITY OF WASHINGTON	15	56
Optum Care Washington Pllc Ambulatory Surgical Center · Everett, WA	14	17

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