Stephan Kowalyk, M.D.
Endocrinology, Diabetes & Metabolism Physician · Greensburg, PA
Stephan Kowalyk, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Greensburg, Pennsylvania, and NPI 1457458168, issued on Sep 17, 2006. Check the license (Pennsylvania MD052412L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Stephan Kowalyk
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- MD052412L PA
Self-reported in NPPES; status is on the state search - Practice location
- 540 South St, Greensburg, PA 15601
- Phone
- (724) 832-3130
- Enumerated
- Sep 17, 2006
- Entity
- Type 1 · individual
Also registered at 540 South St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mani Bashyam, M.D.Endocrinology, Diabetes & Metabolism Physician1801993514
- Maryann Dowling, NURSE PRACTITIONERFamily Nurse Practitioner1659602845
- Allison Turgeon, PACPhysical Medicine & Rehabilitation Physician1497700645
- Wasil Waleski, PA-CPhysician Assistant1215990056
Verify Stephan Kowalyk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD052412LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
7.1 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
18,667 Medicare Part D claims for 1,965 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Ozempic1,983 claims
- Levothyroxine Sodium1,678 claims
- Soliqua 100-331,020 claims
- Jardiance902 claims
- Lantus Solostar769 claims
- Nano 2nd Gen Pen Needle640 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 Medicare quality score for 2023: 17.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $69,006.23
325 payments, mostly food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Endocrinology, Diabetes & Metabolism Physician providers in Pennsylvania
There are 485 endocrinology, diabetes & metabolism physician records in Pennsylvania.
Other endocrinology, diabetes & metabolism physician records in Pennsylvania
- Munira Abbasi, MDPittsburgh, PA1396999413
- Jana Abraham, MDBerwyn, PA1043663966
- Rachel Abramczyk, DOParkesburg, PA1609360791
- Madhav Acharya, MDChambersburg, PA1760011464
- Michael Adler, M.D.Lewisburg, PA1568432136
- Shivani AgarwalPhiladelphia, PA1104144708
- Sumon Agarwala, MDCollegeville, PA1073542718
- Aakif Ahmad, DOAllentown, PA1720308331
- Intekhab Ahmed, M.D.Philadelphia, PA1760406961
- Lucille Aiken, M.D.Pittsburgh, PA1316377245
Common questions
What is Stephan Kowalyk, M.D.'s NPI number?
Stephan Kowalyk, M.D.'s National Provider Identifier (NPI) is 1457458168, issued on Sep 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephan Kowalyk, M.D. located?
The NPPES record lists a practice address at 540 South St, Greensburg, PA, 15601. Phone: (724) 832-3130. Providers update this record themselves, so call before visiting.
How can I verify Stephan Kowalyk, M.D.'s license?
NPPES lists Pennsylvania license number MD052412L, 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 Stephan Kowalyk, M.D. prescribe under Medicare Part D?
In 2024, Stephan Kowalyk, M.D. had 18,667 Medicare Part D claims for 1,965 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Stephan Kowalyk, M.D.'s Medicare quality score?
The 2023 MIPS final score is 17.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.