NPPES file of Aug 9, 2026

Kazimierz M. Sowinski, M.D.

Family Medicine Physician · Blacksburg, VA

Kazimierz M. Sowinski, M.D. is a family medicine physician with a practice address in Blacksburg, Virginia, and NPI 1528045523, issued on Dec 30, 2005. Check the license (Virginia 0101028568, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528045523
Name
Kazimierz M. Sowinski
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
0101028568 VA
Self-reported in NPPES; status is on the state search
Practice location
105 Mcdonald St, Blacksburg, VA 24060
Phone
(540) 552-5545
Enumerated
Dec 30, 2005
Record last updated
Oct 10, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(540) 552-5545
Medicare enrollment
Enrolled (PECOS I20080930000767); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 105 Mcdonald St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mary-Ellen Mick, D.O.Internal Medicine Physician1124339924

Verify Kazimierz M. Sowinski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101028568
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

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71% more Medicare Part D claims than the average family medicine physician in 2024

6,061 Medicare Part D claims for 176 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 187 claims were for opioids.

  1. Kazimierz Sowinski6,061
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium381 claims
  2. Furosemide262 claims
  3. Gabapentin245 claims
  4. Eliquis227 claims
  5. Atorvastatin Calcium178 claims
  6. Sertraline Hcl145 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Kazimierz M. Sowinski among 4,137 family medicine physician records in Virginia

Kazimierz M. Sowinski, M.D. is one of 4,137 family medicine physician records with a practice address in Virginia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1963 · median 2004 among the 2,426 with a school on file
  • Record last updated2008 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

44 family medicine physician records list a practice address in Blacksburg

They are 44 of the 861 NPPES records with a practice address in Blacksburg, and 4,137 family medicine physician records in Virginia.

The 8 family medicine physician records with the nearest ZIP codes

  1. Michael Clary, DOBlacksburg, VA 240601053374264
  2. David Duncan, M.D., F.A.A.F.P.Blacksburg, VA 240601427041656
  3. Jeremy Freeman, MDBlacksburg, VA 240601376527598
  4. David Harden, DOBlacksburg, VA 240601831180165
  5. William Hendricks, MDBlacksburg, VA 240601497746655
  6. David Hudgins, MDBlacksburg, VA 240601538140603
  7. Rodger Mattson, DOBlacksburg, VA 240601215999776
  8. Christopher Mertes, M.D.Blacksburg, VA 240601215928585

Common questions

What is Kazimierz M. Sowinski, M.D.'s NPI number?

Kazimierz M. Sowinski, M.D.'s National Provider Identifier (NPI) is 1528045523, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kazimierz M. Sowinski, M.D. located?

The NPPES record lists a practice address at 105 Mcdonald St, Blacksburg, VA, 24060. Phone: (540) 552-5545. Providers update this record themselves, so call before visiting.

How can I verify Kazimierz M. Sowinski, M.D.'s license?

NPPES lists Virginia license number 0101028568, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kazimierz M. Sowinski, M.D. prescribe under Medicare Part D?

In 2024, Kazimierz M. Sowinski, M.D. had 6,061 Medicare Part D claims for 176 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.