PROVIDER PROFILE · NPI 1770521932

Chieh MaMD

PRACTICEOPTUM CARE WASHINGTON PLLCSee all providers at this practice →

Internal MedicineEverett, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

536

Unique beneficiaries

—

Total services

583

Distinct HCPCS

Medicare payment

$31K

Peer benchmark

Total Medicare services vs. 1,650 Internal Medicine providers in WA — top quintile (cohort median 497).

PRESCRIBING · PART D · 2024

Total Rx claims

595

Beneficiaries

—

Total drug cost

$6K

Distinct drugs

Brand share

27.4%

Top prescribed drugs

Prednisone140 claims

Doxycycline Hyclate65 claims

Amoxicillin/Potassium Clav44 claims

Azithromycin41 claims

Cephalexin37 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Chieh Ma'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). 12 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
FINN, SHELLY	33	81
Maheer Gandhavadi Clinical Cardiac Electrophysiology · Bellevue, WA	31	85
Emily Savage Internal Medicine · Everett, WA	26	101
SYPE, JOHN	24	88
Mahesh Mulumudi Interventional Cardiology · Everett, WA	23	73
Rajesh Subramanian Interventional Cardiology · Everett, WA	21	77
PROVIDENCE HEALTH & SERVICES - WASHINGTON	16	44
LOGAR, CHRISTINE	16	47
GREEN, RONALD	13	109
Soo Kim Ophthalmology · Everett, WA	12	24
Unilab Corporation Clinical Laboratory · West Hills, CA	12	27
Optum Care Washington Pllc Ambulatory Surgical Center · Everett, WA	11	18

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