What is Roger Ishac's specialty?

Roger Ishac (NPI 1902981871) is a Medicare-billing provider whose primary specialty is Interventional Cardiology in Plattsburgh, NY.

Where does Roger Ishac practice?

Roger Ishac practices in Plattsburgh, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1902981871.

How much does Medicare pay Roger Ishac?

Roger Ishac (NPI 1902981871) received approximately $107K in total Medicare Part B payments, serving 707 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902981871

Roger IshacMD

Interventional CardiologyPlattsburgh, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,393

Unique beneficiaries

—

Total services

1,464

Distinct HCPCS

Medicare payment

$100K

Peer benchmark

Total Medicare services vs. 224 Interventional Cardiology providers in NY — above median (cohort median 1,390).

PRESCRIBING · PART D · 2024

Total Rx claims

393

Beneficiaries

—

Total drug cost

$15K

Distinct drugs

Brand share

15.8%

Top prescribed drugs

Metoprolol Succinate53 claims

Furosemide50 claims

Atorvastatin Calcium42 claims

Clopidogrel Bisulfate40 claims

Amlodipine Besylate38 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 Roger Ishac'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). 71 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Mohammed Murtaza Cardiology · Langhorne, PA	152	322
SAGERMAN, JASON	84	159
City Of Philadelphia Ambulance Service Provider · Philadelphia, PA	81	148
LEHRMAN, BRUCE	56	87
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	53	109
E. Alec Schoenberger Diagnostic Radiology · Philadelphia, PA	48	82
NPI 1457353898	46	73
Steven Geller Pulmonary Disease · Philadelphia, PA	44	114
Ranga Rao Cardiology · Langhorne, PA	43	69
JEFFERSON HEALTH - NORTHEAST	43	63
Joseph Morgan Diagnostic Radiology · Cherry Hill, NJ	42	63
Robert Schlesinger Cardiology · Philadelphia, PA	40	60

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