William J. Kozak, MD
Family Medicine Physician · Connellsville, PA
William J. Kozak, MD is a family medicine physician with a practice address in Connellsville, Pennsylvania, and NPI 1912908914, issued on Aug 2, 2005. Check the license (Pennsylvania MD422207, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William J. Kozak
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD422207 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2620 Memorial Blvd, Connellsville, PA 15425
- Phone
- (724) 626-0700
- Enumerated
- Aug 2, 2005
- Record last updated
- May 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (724) 626-8700
- Medicaid ID
- 0019646830002 PA
- Medicare enrollment
- Enrolled (PECOS I20060328000742); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 2620 Memorial Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Hurley, DCChiropractor1265492383
Verify William J. Kozak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD422207Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.8 times the Medicare Part D claims of the average family medicine physician in 2024
16,947 Medicare Part D claims for 728 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 389 claims were for opioids.
Most prescribed
- Pantoprazole Sodium553 claims
- Levothyroxine Sodium544 claims
- Montelukast Sodium495 claims
- Furosemide479 claims
- Dexamethasone451 claims
- Albuterol Sulfate Hfa445 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.
Bills Medicare through one group practice
- Highlands Hospital And Health CenterConnellsville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William J. Kozak among 7,483 family medicine physician records in Pennsylvania
William J. Kozak, MD is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% 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, 88% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2000 · median 2005 among the 4,529 with a school on file
- Record last updated2008 · 58% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 family medicine physician records list a practice address in Connellsville
They are 13 of the 245 NPPES records with a practice address in Connellsville, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Connellsville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Liana Bittner, MDConnellsville, PA 154251124068580
- Adam Burke, DOConnellsville, PA 154251598407363
- Gina Canada, D.O.Connellsville, PA 154251841414836
- Marty Cole, MDConnellsville, PA 154251295846681
- Richard Conn, MDConnellsville, PA 154251457370280
- Margel Guie, DOConnellsville, PA 154251215995709
- Sarah Lumley, D.O.Connellsville, PA 154251407856891
- Ali Mahdi, MDConnellsville, PA 154251952887291
Common questions
What is William J. Kozak, MD's NPI number?
William J. Kozak, MD's National Provider Identifier (NPI) is 1912908914, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William J. Kozak, MD located?
The NPPES record lists a practice address at 2620 Memorial Blvd, Connellsville, PA, 15425. Phone: (724) 626-0700. Providers update this record themselves, so call before visiting.
How can I verify William J. Kozak, MD's license?
NPPES lists Pennsylvania license number MD422207, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William J. Kozak, MD prescribe under Medicare Part D?
In 2024, William J. Kozak, MD had 16,947 Medicare Part D claims for 728 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.