What is Frederick Kozlowski's specialty?

Frederick Kozlowski (NPI 1508829995) is a Medicare-billing provider whose primary specialty is Internal Medicine in Winchester, VA.

Where does Frederick Kozlowski practice?

Frederick Kozlowski practices in Winchester, VA, based on the location reported in the CMS Medicare provider datasets for NPI 1508829995.

How much does Medicare pay Frederick Kozlowski?

Frederick Kozlowski (NPI 1508829995) received approximately $342K in total Medicare Part B payments, serving 567 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1508829995

Frederick KozlowskiMD

PRACTICEWINCHESTER INTERNAL MEDICINE, INCSee all providers at this practice →

Internal MedicineWinchester, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,367

Unique beneficiaries

—

Total services

10,030

Distinct HCPCS

Medicare payment

$337K

Peer benchmark

Total Medicare services vs. 2,091 Internal Medicine providers in VA — top quintile (cohort median 769).

PRESCRIBING · PART D · 2024

Total Rx claims

10,301

Beneficiaries

—

Total drug cost

$414K

Distinct drugs

152

Brand share

19.3%

Top prescribed drugs

Amlodipine Besylate493 claims

Atorvastatin Calcium432 claims

Lisinopril367 claims

Levothyroxine Sodium308 claims

Pravastatin Sodium266 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 Frederick Kozlowski'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). 59 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Sunrise Medical Laboratories, Inc. Clinical Laboratory · Hicksville, NY	118	768
Edward Smith Internal Medicine · Winchester, VA	75	287
David Snow Diagnostic Radiology · Winchester, VA	67	196
Kyle Young Diagnostic Radiology · Winchester, VA	61	155
David Harry Diagnostic Radiology · Winchester, VA	56	200
Preston Fox Diagnostic Radiology · Winchester, VA	48	145
James Sluss Diagnostic Radiology · Winchester, VA	46	138
WATTS, BLAKE	43	107
Curtis Thwing Diagnostic Radiology · Winchester, VA	40	132
Brendan Meyer Diagnostic Radiology · Winchester, VA	37	94
Ronald Repasky Diagnostic Radiology · Sarasota, FL	35	86
Manish Lakhani Cardiology · Winchester, VA	35	94

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