What is Peter Wisniewski's specialty?

Peter Wisniewski (NPI 1922157593) is a Medicare-billing provider whose primary specialty is Internal Medicine in Prince Frederick, MD.

Where does Peter Wisniewski practice?

Peter Wisniewski practices in Prince Frederick, MD, based on the location reported in the CMS Medicare provider datasets for NPI 1922157593.

How much does Medicare pay Peter Wisniewski?

Peter Wisniewski (NPI 1922157593) received approximately $444K in total Medicare Part B payments, serving 825 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922157593

Peter WisniewskiMD

PRACTICECALVERT INTERNAL MEDICINE GROUP PASee all providers at this practice →

Internal MedicinePrince Frederick, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

7,810

Unique beneficiaries

—

Total services

13,531

Distinct HCPCS

Medicare payment

$439K

Peer benchmark

Total Medicare services vs. 2,306 Internal Medicine providers in MD — top quintile (cohort median 884).

PRESCRIBING · PART D · 2024

Total Rx claims

9,452

Beneficiaries

—

Total drug cost

$969K

Distinct drugs

153

Brand share

18.5%

Top prescribed drugs

Atorvastatin Calcium639 claims

Amlodipine Besylate383 claims

Losartan Potassium381 claims

Levothyroxine Sodium314 claims

Lisinopril308 claims

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 Peter Wisniewski'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CALVERTHEALTH MEDICAL CENTER, INC.	175	646
Cassius Belfonte Cardiology · Prince Frederick, MD	50	157
Varkey Mathew Cardiology · Huntingtown, MD	45	119
SHAH, NIMIT	37	132
Estelle Cooke-Sampson Diagnostic Radiology · Washington, DC	30	82
Thomas Annulis Hospitalist · Prince Frederick, MD	22	117
Jennifer Birchenough Physician Assistant · Glen Burnie, MD	22	134
DODD, MICHAEL	19	37
Fulton Lukban Internal Medicine · Prince Frederick, MD	18	38
Nancy Clark Vascular Surgery · Louisville, KY	17	90
CHESAPEAKE-POTOMAC HOME HEALTH AGENCY, INC	15	73
Am-Van Incorporated Ambulance Service Provider · Lothian, MD	15	32

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