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Family Practice

Benjamin L. Stewart Ii, DO

Works at hospitals in Carlisle, PA · Harrisburg, PA · Williamsport, PA … · Pennsylvania

Summary

Dr. Benjamin L. Stewart Ii, DO is a family doctor at 1100 Montour Rd, Loysville, PA 17047. Phone: (717) 789-3553. Accepts Medicare assignment. In 2024, Benjamin L. Stewart Ii had 157 Original Medicare patients and 946 services. NPI 1558587253. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1100 Montour Rd, Loysville, PA 17047 · Directions
  • Phone: (717) 789‑3553
  • Medicare: Accepts Medicare assignment
  • Hospitals: UPMC Carlisle, UPMC Pinnacle Hospitals, UPMC Williamsport and 1 more
  • Group practice: Family Practice Center PC
  • Medical school: Philadelphia College Of Osteopathic Medicine · graduated 2005 (21 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Benjamin L. Stewart Ii, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Benjamin L. Stewart Ii accept Medicare assignment?
Yes. Medicare's clinician data says Benjamin L. Stewart Ii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Benjamin L. Stewart Ii see?
In 2024, CMS data shows 157 Original Medicare patients and 946 services for Benjamin L. Stewart Ii. This counts Original Medicare only and measures volume, not quality.
What is Benjamin L. Stewart Ii's NPI number?
1558587253. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Benjamin L. Stewart Ii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients157
Services billed to Medicare946
Different services or procedures59
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)176 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)117 services
  3. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)78 services
  4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)78 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)75 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure73%
  • Arthritis48%
  • Chronic kidney disease34%
  • Ischemic heart disease30%
  • Diabetes29%

Hospitals where Benjamin L. Stewart Ii works

Medicare's Facility Affiliation Data lists Benjamin L. Stewart Ii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • UPMC CarlisleCarlisle, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390058
  • UPMC Pinnacle HospitalsHarrisburg, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390067
  • UPMC WilliamsportWilliamsport, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390045
  • WellSpan Evangelical Community HospitalLewisburg, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390013

Practice locations

Addresses where Benjamin L. Stewart Ii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Benjamin L. Stewart Ii as a member of this group (CMS data updated October 2, 2026).

  • Family Practice Center PC361 clinicians in the group

Specialties

Find other Family Practice doctors in Pennsylvania →

Other family doctors in Pennsylvania

Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.

All family doctors in Pennsylvania →

Other clinicians in Family Practice Center PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558587253
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians