What is Gary Horowitz's specialty?

Gary Horowitz (NPI 1558308213) is a Medicare-billing provider whose primary specialty is Pathology in Boston, MA.

Where does Gary Horowitz practice?

Gary Horowitz practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1558308213.

How much does Medicare pay Gary Horowitz?

Gary Horowitz (NPI 1558308213) received approximately $24K in total Medicare Part B payments, serving 455 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events