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Internal Medicine

Frederick H. Kozlowski, MD

Works at hospitals in Romney, WV · Woodstock, VA · Front Royal, VA … · West Virginia, Virginia

Summary

Frederick H. Kozlowski, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Romney, WV, Woodstock, VA and Front Royal, VA and other places. NPI 1508829995. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Frederick H. Kozlowski, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
32Years since medical school (graduated 1994)
University Of Virginia School Of MedicineMedical school
MaleGender (as listed)
Winchester Medical CenterGroup practice (+1 more)

Quick answers

Which hospitals does Frederick H. Kozlowski work at?
Medicare's official clinician data lists Frederick H. Kozlowski at 4 hospitals: Hampshire Memorial Hospital, Shenandoah Memorial Hospital, Warren Memorial Hospital and Winchester Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Frederick H. Kozlowski see patients?
Medicare's clinician data lists 3 practice locations, including Winchester, VA. Call before your visit to confirm the address.
What is Frederick H. Kozlowski's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Frederick H. Kozlowski accept Medicare assignment?
Yes. Medicare's clinician data says Frederick H. Kozlowski accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Frederick H. Kozlowski offer telehealth?
Medicare's clinician data says Frederick H. Kozlowski offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Frederick H. Kozlowski?
(540) 536-8700, as listed in official Medicare / NPI Registry data.
What is Frederick H. Kozlowski's NPI number?
1508829995. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Frederick H. Kozlowski works

Medicare's Facility Affiliation Data lists Frederick H. Kozlowski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Frederick H. Kozlowski is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Frederick H. Kozlowski as a member of these groups (CMS data updated 2026-10-02).

  • Winchester Medical Center317 clinicians in the group
  • Winchester Internal Medicine, Inc8 clinicians in the group

Specialties

Find other Internal Medicine doctors in Virginia →

Other internal medicine doctors in Winchester

Clinicians with the same Medicare primary specialty in Winchester, VA — not a recommendation.

All internal medicine doctors in Winchester →

Clinician information

CredentialMD
Medical schoolUniversity Of Virginia School Of Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1508829995
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians