What is Gregory Spisak's specialty?

Gregory Spisak (NPI 1528050358) is a Medicare-billing provider whose primary specialty is Internal Medicine in Mineola, NY.

Where does Gregory Spisak practice?

Gregory Spisak practices in Mineola, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1528050358.

How much does Medicare pay Gregory Spisak?

Gregory Spisak (NPI 1528050358) received approximately $197K in total Medicare Part B payments, serving 630 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1528050358

Gregory SpisakMD

Internal MedicineMineola, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,785

Unique beneficiaries

—

Total services

3,049

Distinct HCPCS

Medicare payment

$188K

Peer benchmark

Total Medicare services vs. 7,864 Internal Medicine providers in NY — top quintile (cohort median 552).

PRESCRIBING · PART D · 2024

Total Rx claims

4,585

Beneficiaries

—

Total drug cost

$204K

Distinct drugs

Brand share

16.3%

Top prescribed drugs

Atorvastatin Calcium330 claims

Amlodipine Besylate281 claims

Rosuvastatin Calcium263 claims

Levothyroxine Sodium258 claims

Metoprolol Succinate201 claims

QUALITY · MIPS · 2024

Final MIPS score

90.8

Quality

91.8

Cost

75.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Gregory Spisak'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). 46 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY	199	1,004
NYU LANGONE HOSPITALS	171	580
Sabrina Mahboob Diagnostic Radiology · New York, NY	43	99
MOSSMAN, HARVEY	42	105
Marlene Lobato Internal Medicine · Mineola, NY	39	102
Sandeep Dhillon Cardiology · Garden City, NY	35	105
Michael Brooks Diagnostic Radiology · Boston, MA	35	91
MAZZIE, JOSEPH	33	89
John Lanzone Cardiology · Mineola, NY	31	68
Nicolas Raio Cardiology · Garden City, NY	29	118
Mario Costantino Internal Medicine · Garden City, NY	26	62
Mitchell Lefland Cardiology · Garden City, NY	24	90

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