What is Maria Chou's specialty?

Maria Chou (NPI 1689738452) is a Medicare-billing provider whose primary specialty is Rheumatology in Reston, VA.

Where does Maria Chou practice?

Maria Chou practices in Reston, VA, based on the location reported in the CMS Medicare provider datasets for NPI 1689738452.

How much does Medicare pay Maria Chou?

Maria Chou (NPI 1689738452) received approximately $355K in total Medicare Part B payments, serving 591 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1689738452

Maria ChouMD

RheumatologyReston, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,448

Unique beneficiaries

—

Total services

16,590

Distinct HCPCS

Medicare payment

$319K

Peer benchmark

Total Medicare services vs. 118 Rheumatology providers in VA — above median (cohort median 3,346).

PRESCRIBING · PART D · 2024

Total Rx claims

1,531

Beneficiaries

—

Total drug cost

$901K

Distinct drugs

Brand share

25.5%

Top prescribed drugs

Methotrexate Sodium245 claims

Prednisone164 claims

Hydroxychloroquine Sulfate142 claims

Allopurinol136 claims

Meloxicam109 claims

QUALITY · MIPS · 2024

Final MIPS score

89.6

Quality

100.0

Cost

71.9

Improvement activities

40.0

Promoting interop.

92.0

Payment adjustment

0.61%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$990

Payment records

By payment type

Food and Beverage$990

Top paying entities

Food and Beverage$990

REFERRAL NETWORK

Where Maria Chou'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
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	42	106
SCHAEFER, PAUL	29	78
Mukul Das Diagnostic Radiology · Olney, MD	19	30
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	15	43
Gregory Bender Diagnostic Radiology · Beverly Hills, CA	13	22
Albert Porambo Diagnostic Radiology · Rockville, MD	11	31

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