What is Chieh Ma's specialty?

Chieh Ma (NPI 1770521932) is a Medicare-billing provider whose primary specialty is Internal Medicine in Everett, WA.

Where does Chieh Ma practice?

Chieh Ma practices in Everett, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1770521932.

How much does Medicare pay Chieh Ma?

Chieh Ma (NPI 1770521932) received approximately $34K in total Medicare Part B payments, serving 294 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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