What is Wonil Lee's specialty?

Wonil Lee (NPI 1992780225) is a Medicare-billing provider whose primary specialty is Rheumatology in North Hollywood, CA.

Where does Wonil Lee practice?

Wonil Lee practices in North Hollywood, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1992780225.

How much does Medicare pay Wonil Lee?

Wonil Lee (NPI 1992780225) received approximately $2.2M in total Medicare Part B payments, serving 757 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1992780225

Wonil LeeM.D.

PRACTICERHEUMATOLOGY ASSOCIATESSee all providers at this practice →

RheumatologyNorth Hollywood, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,864

Unique beneficiaries

—

Total services

231,645

Distinct HCPCS

Medicare payment

$1.8M

Peer benchmark

Total Medicare services vs. 530 Rheumatology providers in CA — top quintile (cohort median 1,833).

PRESCRIBING · PART D · 2024

Total Rx claims

3,139

Beneficiaries

—

Total drug cost

$2.1M

Distinct drugs

Brand share

37.9%

Top prescribed drugs

Methotrexate Sodium337 claims

Prednisone311 claims

Hydrocodone/Acetaminophen300 claims

Hydroxychloroquine Sulfate230 claims

Gabapentin141 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

50.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$4K

Payment records

162

By payment type

Food and Beverage$4K

Top paying entities

Food and Beverage$4K

REFERRAL NETWORK

Where Wonil Lee'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
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA	163	604
Unilab Corporation Clinical Laboratory · West Hills, CA	94	277
CRESCENDO BIOSCIENCE, INC	29	53
Jeffrey Salberg Internal Medicine · Tarzana, CA	12	35
Babak Hakimisefat Pulmonary Disease · Burbank, CA	12	52
WEST COAST CLINICAL LABORATORIES, INC.	12	16
Douglas Rusnack Diagnostic Radiology · Coeur D Alene, ID	12	47
John Conrad Vascular Surgery · Burbank, CA	12	32
PATHOLOGY, INC.	11	15
MAKAREWICZ, KATHLEEN	11	25
Sean Wollaston Rheumatology · North Hollywood, CA	11	38
Steven Taback Pulmonary Disease · Burbank, CA	11	38

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