Lawrence J. Zelonis, D.O.
Family Medicine Physician · Butler, PA
Lawrence J. Zelonis, D.O. is a family medicine physician with a practice address in Butler, Pennsylvania, and NPI 1427147503, issued on Oct 12, 2006. Check the license (Pennsylvania OS003959-L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Lawrence J. Zelonis
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS003959-L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1610 N Main Street Ext, Butler, PA 16001
- Phone
- (724) 234-1370
- Enumerated
- Oct 12, 2006
- Record last updated
- Sep 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (724) 841-0343
- Medicare enrollment
- Enrolled (PECOS I20100909001077); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1977
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 1610 N Main Street Ext
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Janet IsherwoodPharmacist1720512304
- Megan Sovich, MA, NCC, LPCCounselor1043835762
- Nicole Wheeler, M.A. LBS NCC LPCProfessional Counselor1003426206
- Deborah Wiech, LPC, MEDProfessional Counselor1619608874
Verify Lawrence J. Zelonis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS003959-LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average family medicine physician in 2024
3,753 Medicare Part D claims for 140 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Aripiprazole218 claims
- Venlafaxine Hcl Er197 claims
- Trazodone Hcl193 claims
- Quetiapine Fumarate163 claims
- Gabapentin152 claims
- Buspirone Hcl151 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.
Industry payments in 2024: $479.70
18 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- The Care CenterButler, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lawrence J. Zelonis among 7,483 family medicine physician records in Pennsylvania
Lawrence J. Zelonis, 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
- Graduated1977 · median 2005 among the 4,529 with a school on file
- Record last updated2019 · 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).
30 family medicine physician records list a practice address in Butler
They are 30 of the 1,139 NPPES records with a practice address in Butler, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Butler → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sheila Balestrino, DOButler, PA 160011639284243
- Mark Carlsson, M.D.Butler, PA 160011962443614
- Thippeswamy Channapati, MDButler, PA 160011144335738
- William Dicuccio, MDButler, PA 160011487636403
- Elaine Dischman, MDButler, PA 160011124091954
- Michael Fiorina, DOButler, PA 160011235239195
- Angela Jenny, DOButler, PA 160011952478166
- Tonya Kozminski, D.O.Butler, PA 160011023085586
Common questions
What is Lawrence J. Zelonis, D.O.'s NPI number?
Lawrence J. Zelonis, D.O.'s National Provider Identifier (NPI) is 1427147503, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence J. Zelonis, D.O. located?
The NPPES record lists a practice address at 1610 N Main Street Ext, Butler, PA, 16001. Phone: (724) 234-1370. Providers update this record themselves, so call before visiting.
How can I verify Lawrence J. Zelonis, D.O.'s license?
NPPES lists Pennsylvania license number OS003959-L, 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 Lawrence J. Zelonis, D.O. prescribe under Medicare Part D?
In 2024, Lawrence J. Zelonis, D.O. had 3,753 Medicare Part D claims for 140 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.