What is William Frey's specialty?

William Frey (NPI 1851467286) is a Medicare-billing provider whose primary specialty is Optometry in Hobart, IN.

Where does William Frey practice?

William Frey practices in Hobart, IN, based on the location reported in the CMS Medicare provider datasets for NPI 1851467286.

How much does Medicare pay William Frey?

William Frey (NPI 1851467286) received approximately $13K in total Medicare Part B payments, serving 184 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1851467286

William FreyO.D.

OptometryHobart, INI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

274

Unique beneficiaries

—

Total services

305

Distinct HCPCS

Medicare payment

$12K

Peer benchmark

Total Medicare services vs. 920 Optometry providers in IN — below median (cohort median 350).

PRESCRIBING · PART D · 2024

Total Rx claims

145

Beneficiaries

—

Total drug cost

$1K

Distinct drugs

Brand share

22.8%

Top prescribed drugs

Latanoprost112 claims

Dorzolamide Hcl/Timolol Maleat33 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where William Frey'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). 53 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Robert Bester Podiatry · Woodridge, IL	156	333
TRUCHAN, JONATHAN	140	304
THE METHODIST HOSPITALS, INC	93	129
Central Clinical Labs, Inc Clinical Laboratory · Chicago, IL	89	299
HARRIS, ELANA	88	121
PORTER HOSPITAL LLC	63	151
Diane Morrow Nurse Practitioner · Michigan City, IN	50	85
Twin Rivers Medical Laboratory, Inc Clinical Laboratory · Logansport, IN	43	126
MERTZ, LYDIA	40	74
Ennis Zaitoon Internal Medicine · Corona, CA	40	74
NPI 1013907419	38	118
SAINT JOSEPH REGIONAL MEDICAL CENTER- PLYMOUTH CAMPUS INC	37	70

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