FREDERICK HAROLD KOZLOWSKI (MD) – Internal Medicine Physician, NPI 1508829995
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
4,930 INTERNAL MEDICINE in VA
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Provider Addresses for FREDERICK HAROLD KOZLOWSKI (MD)
Medical Office Bldg II, 190, Campus Boulevard, Winchester, Winchester City, Virginia, 22601, United States
SUITE 200
WINCHESTER, VA 226012872
Phone: (540) 662-6135
Fax: (540) 662-5845
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-06-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100628000117 | I | Internal Medicine | VA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,583 | 576 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 1,401 | 547 | $0 |
| 80053 | Blood test, comprehensive group of blood chemicals | 1,340 | 551 | $0 |
| 80061 | Blood test, lipids (cholesterol and triglycerides) | 987 | 506 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 500 | 63 | $0 |
Insurance plans in this area (ZIP 22601)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | VA | 90670 | Pneumococcal vaccine for injection into muscle | 130 | 127 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | VA | |
| Internal Medicine | VA | |
| Family Practice, Internal Medicine | VA | |
| Hospitalist, Internal Medicine | VA | |
| Internal Medicine | VA | |
| Internal Medicine | VA | |
| Internal Medicine | VA | |
| - | VA |
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