PROVIDER PROFILE · NPI 1871571679

Gary GwertzmanM.D.

Vascular SurgeryBrooklyn, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

902

Unique beneficiaries

—

Total services

1,192

Distinct HCPCS

Medicare payment

$91K

Peer benchmark

Total Medicare services vs. 316 Vascular Surgery providers in NY — above median (cohort median 1,108).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$13K

Distinct drugs

Brand share

67.6%

Top prescribed drugs

Apixaban23 claims

Triamcinolone Acetonide11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Education$20

REFERRAL NETWORK

Where Gary Gwertzman'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). 91 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BETH ISRAEL MEDICAL CENTER	754	1,866
New York City Health And Hospitals Corporation Ambulance Service Provider · Brooklyn, NY	137	264
Alex Natanzon Cardiology · New York, NY	126	332
Howard Newhouse Cardiology · Brooklyn, NY	125	384
Murray Jonas Internal Medicine · Brooklyn, NY	122	334
LIPTON, MITCHELL	122	391
Jacob Nir Physical Medicine and Rehabilitation · Brooklyn, NY	114	181
Alexander Heisman Psychiatry · Manhasset, NY	97	181
NPI 1447349824	95	287
MIDWOOD AMBULANCE & OXYGEN SERVICE INC	94	283
Seniorcare Emergency Medical Services Inc. Ambulance Service Provider · Bronx, NY	93	181
Dmitriy Katkovskiy Emergency Medicine · Bronx, NY	91	156

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