PROVIDER PROFILE · NPI 1689666885

Michael GrassiMD

OphthalmologyNaperville, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,377

Unique beneficiaries

—

Total services

7,917

Distinct HCPCS

Medicare payment

$1.7M

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

126

Beneficiaries

—

Total drug cost

$4K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Dorzolamide Hcl74 claims

Prednisolone Acetate25 claims

Ketorolac Tromethamine16 claims

Brimonidine Tartrate11 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

100.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.05%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Michael Grassi'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
COPLEY MEMORIAL HOSPITAL, INC.	28	62
EDWARD HOSPITAL	19	48
VALLEY WEST COMMUNITY HOSPITAL	16	48
Nicole Zangler Optometry · Yorkville, IL	15	28
ADVOCATE HEALTH AND HOSPITALS CORPORATION	13	23

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