NPPES file of Aug 9, 2026

Joyce Witkiewicz-Bowser, D.O.

Family Medicine Physician · Worthington, PA

Joyce Witkiewicz-Bowser, D.O. is a family medicine physician with a practice address in Worthington, Pennsylvania, and NPI 1437259371, issued on Sep 22, 2006. Check the license (Pennsylvania OS008721L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437259371
Name
Joyce Witkiewicz-Bowser
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
OS008721L PA
Self-reported in NPPES; status is on the state search
Practice location
1482 Butler RD, Worthington, PA 16262
Phone
(724) 297-3424
Enumerated
Sep 22, 2006
Record last updated
Oct 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(724) 297-5425
Medicare enrollment
Enrolled (PECOS I20041112000030); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 1993
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 1482 Butler RD

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

  1. Brandon Snickles, FNP-CFamily Medicine Physician1740960160

Verify Joyce Witkiewicz-Bowser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license OS008721L
    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 Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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37% more Medicare Part D claims than the average family medicine physician in 2024

4,850 Medicare Part D claims for 387 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Joyce Witkiewicz-Bowser4,850
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium439 claims
  2. Lisinopril337 claims
  3. Levothyroxine Sodium331 claims
  4. Amlodipine Besylate266 claims
  5. Metformin Hcl202 claims
  6. Pravastatin Sodium193 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.

The MIPS final score for 2023 (Medicare payment program): 93.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Armstrong County Memorial HospitalNew Bethlehem, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joyce Witkiewicz-Bowser among 7,483 family medicine physician records in Pennsylvania

Joyce Witkiewicz-Bowser, D.O. 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1993 · median 2005 among the 4,529 with a school on file
  • Record last updated2020 · 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).

Family Medicine Physician providers in Pennsylvania

There are 7,483 family medicine physician records in Pennsylvania.

The 8 family medicine physician records with the nearest ZIP codes

  1. Brandon Snickles, FNP-CWorthington, PA 162621740960160
  2. Jeffrey Karls, D.O.Strattanville, PA 162581194791673
  3. Nicole Carroll, D.O.Shippenville, PA 162541649593500
  4. Janice Kenneson, D.O.Shippenville, PA 162541518932334
  5. Ashley Kunselman, D.O.Shippenville, PA 162541689983520
  6. Charlotte Kaplon, M.D.Plumville, PA 162461225165962
  7. Chad Shaffer, MDNew Bethlehem, PA 162421215014501
  8. Robert Maxa, D.O.Marienville, PA 162391225262413

Common questions

What is Joyce Witkiewicz-Bowser, D.O.'s NPI number?

Joyce Witkiewicz-Bowser, D.O.'s National Provider Identifier (NPI) is 1437259371, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joyce Witkiewicz-Bowser, D.O. located?

The NPPES record lists a practice address at 1482 Butler RD, Worthington, PA, 16262. Phone: (724) 297-3424. Providers update this record themselves, so call before visiting.

How can I verify Joyce Witkiewicz-Bowser, D.O.'s license?

NPPES lists Pennsylvania license number OS008721L, 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 Joyce Witkiewicz-Bowser, D.O. prescribe under Medicare Part D?

In 2024, Joyce Witkiewicz-Bowser, D.O. had 4,850 Medicare Part D claims for 387 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Joyce Witkiewicz-Bowser, D.O.'s MIPS final score?

The 2023 MIPS final score is 93.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.