Benjamin Leslie Stewart, DO
Family Medicine Physician · Loysville, PA
Benjamin Leslie Stewart, DO is a family medicine physician with a practice address in Loysville, Pennsylvania, and NPI 1558587253, issued on Apr 18, 2007. Check the license (Pennsylvania OS013979, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Benjamin Leslie Stewart
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS013979 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Montour RD, Loysville, PA 17047
- Phone
- (717) 789-3553
- Enumerated
- Apr 18, 2007
- Record last updated
- Dec 18, 2025
- Fax
- (717) 789-3198
- Medicaid ID
- 1021844000001 PA
- Medicare enrollment
- Enrolled (PECOS I20080822000297); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2005
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 1100 Montour RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Caruso, DOFamily Medicine Physician1912946617
- Kelly Caruso, DOFamily Medicine Physician1629017322
- Donald Dangle, DOFamily Medicine Physician1003171141
- Joseph Lendvay, PA-CPhysician Assistant1720027840
- James Marakowski, DOFamily Medicine Physician1730128950
- Erin McCluskey, PA-CPhysician Assistant1679764088
Verify Benjamin Leslie Stewart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS013979Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average family medicine physician in 2024
5,592 Medicare Part D claims for 402 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 50 claims were for opioids.
Most prescribed
- Atorvastatin Calcium376 claims
- Lisinopril277 claims
- Levothyroxine Sodium211 claims
- Metoprolol Succinate181 claims
- Amlodipine Besylate165 claims
- Rosuvastatin Calcium164 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: $1,507.72
90 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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
- Family Practice Center PCLoysville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin Leslie Stewart among 7,483 family medicine physician records in Pennsylvania
Benjamin Leslie Stewart, DO 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 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 46% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2005 · median 2005 among the 4,529 with a school on file
- Record last updated2025 · 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).
5 family medicine physician records list a practice address in Loysville
They are 5 of the 14 NPPES records with a practice address in Loysville, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Loysville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kelly Caruso, DOLoysville, PA 170471629017322
- John Caruso, DOLoysville, PA 170471912946617
- Donald Dangle, DOLoysville, PA 170471003171141
- James Marakowski, DOLoysville, PA 170471730128950
- Maimuna AbdullahiLebanon, PA 170461477344018
- Dania Alkarasneh, MDLebanon, PA 170461750228227
- Fnu Amatur Rabbal MashariqLebanon, PA 170461710879010
- Satya Surya Lakshmi Shivani Garapati, MDLebanon, PA 170461255223509
Common questions
What is Benjamin Leslie Stewart, DO's NPI number?
Benjamin Leslie Stewart, DO's National Provider Identifier (NPI) is 1558587253, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Leslie Stewart, DO located?
The NPPES record lists a practice address at 1100 Montour RD, Loysville, PA, 17047. Phone: (717) 789-3553. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Leslie Stewart, DO's license?
NPPES lists Pennsylvania license number OS013979, 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 Benjamin Leslie Stewart, DO prescribe under Medicare Part D?
In 2024, Benjamin Leslie Stewart, DO had 5,592 Medicare Part D claims for 402 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.