PROVIDER PROFILE · NPI 1942458237

William ParkM.D.

PRACTICEROBERT J BARNES MD LTDSee all providers at this practice →

OphthalmologyAurora, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

760

Unique beneficiaries

—

Total services

1,117

Distinct HCPCS

Medicare payment

$86K

Peer benchmark

Total Medicare services vs. 667 Ophthalmology providers in IL — below median (cohort median 2,192).

PRESCRIBING · PART D · 2024

Total Rx claims

576

Beneficiaries

—

Total drug cost

$24K

Distinct drugs

Brand share

7.8%

Top prescribed drugs

Prednisolone Acetate160 claims

Ofloxacin143 claims

Ketorolac Tromethamine140 claims

Latanoprost55 claims

Bimatoprost30 claims

QUALITY · MIPS · 2024

Final MIPS score

0.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-9.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$545

Payment records

By payment type

Food and Beverage$545

REFERRAL NETWORK

Where William Park'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Northwest Community Day Surgery Center Ii Llc Ambulatory Surgical Center · Arlington Heights, IL	53	193
ALEXIAN BROTHERS MEDICAL CENTER	25	34
ENDEAVOR HEALTH CLINICAL OPERATIONS	16	41
Andreas Seidler Internal Medicine · Mt Prospect, IL	15	39
Daniel Alter Ophthalmology · Des Plaines, IL	14	35
Evan Oblonsky Diagnostic Radiology · Arlington Heights, IL	13	33
Carl Kalbhen Diagnostic Radiology · Arlington Heights, IL	13	23
Stephen Zivin Diagnostic Radiology · Madison, CT	11	13

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