What is Peter Gregor's specialty?

Peter Gregor (NPI 1528021235) is a Medicare-billing provider whose primary specialty is Internal Medicine in Owensboro, KY.

Where does Peter Gregor practice?

Peter Gregor practices in Owensboro, KY, based on the location reported in the CMS Medicare provider datasets for NPI 1528021235.

How much does Medicare pay Peter Gregor?

Peter Gregor (NPI 1528021235) received approximately $17K in total Medicare Part B payments, serving 220 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1528021235

Peter GregorMD

Internal MedicineOwensboro, KYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

270

Unique beneficiaries

—

Total services

297

Distinct HCPCS

Medicare payment

$15K

Peer benchmark

Total Medicare services vs. 1,039 Internal Medicine providers in KY — below median (cohort median 766).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$5K

Distinct drugs

Brand share

50.0%

Top prescribed drugs

Losartan Potassium13 claims

Rivaroxaban13 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 Peter Gregor'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). 28 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
COUNTY OF SANTA CLARA	434	1,780
Hollister Brewster Cardiology · San Jose, CA	92	217
Susan Zhao Cardiology · San Jose, CA	64	139
Aravind Swaminathan Cardiology · Santa Clara, CA	59	134
Margaret Lee Diagnostic Radiology · San Jose, CA	57	93
FRAKER, KEITH	50	99
Jeffrey Tseng Nuclear Medicine · Stanford, CA	48	76
COUNTY OF SANTA CLARA	46	98
Young Kang Diagnostic Radiology · San Jose, CA	46	91
HUANG, YI-CHAO	42	161
NPI 1427143155	38	80
Benjamin Chou Diagnostic Radiology · San Jose, CA	37	69

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