PROVIDER PROFILE · NPI 1558308213

Gary HorowitzM.D.

PathologyBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,009

Unique beneficiaries

—

Total services

1,772

Distinct HCPCS

Medicare payment

$24K

Peer benchmark

Total Medicare services vs. 548 Pathology providers in MA — above median (cohort median 1,471).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Gary Horowitz'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). 49 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BETH ISRAEL DEACONESS HOSPITAL-NEEDHAM, INC.	66	118
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	54	102
Ronald Eisenberg Diagnostic Radiology · Boston, MA	53	81
Paul Spirn Diagnostic Radiology · Boston, MA	35	49
NI MHUIRCHEARTAIGH, JENNIFER	35	37
Jon Arnason Hematology-Oncology · New York, NY	34	245
Colm Mcmahon Diagnostic Radiology · Boston, MA	33	35
Harold Rosen Internal Medicine · Boston, MA	32	52
LUPTAKOVA, KATARINA	28	264
RONTHAL, MICHAEL	27	55
Elisa Flower Diagnostic Radiology · Boston, MA	27	31
LEVINE, JAMES	27	136

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