PROVIDER PROFILE · NPI 1326149360

Gregory PerroneO.D.

PRACTICESEBASTOPOL ASC, L.P.See all providers at this practice →

OptometrySebastopol, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,911

Unique beneficiaries

—

Total services

2,354

Distinct HCPCS

Medicare payment

$151K

Peer benchmark

Total Medicare services vs. 2,493 Optometry providers in CA — top quintile (cohort median 147).

PRESCRIBING · PART D · 2024

Total Rx claims

223

Beneficiaries

—

Total drug cost

$20K

Distinct drugs

Brand share

39.0%

Top prescribed drugs

Latanoprost107 claims

Erythromycin Base49 claims

Cyclosporine15 claims

Cyclosporine14 claims

Timolol Maleate14 claims

QUALITY · MIPS · 2024

Final MIPS score

84.8

Quality

96.3

Cost

54.4

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.41%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$58

Payment records

By payment type

Food and Beverage$58

REFERRAL NETWORK

Where Gregory Perrone'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). 2 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC	22	31
MARIN GENERAL HOSPITAL	11	23

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · Sacramento, CA	32	58
Eric Kahle Ophthalmology · Sebastopol, CA	31	57
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC	18	24
MARIN GENERAL HOSPITAL	18	27
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	17	20

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