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Gastroenterology

Kenneth S. Breslin, MD

Works at hospitals in Philadelphia, PA · Langhorne, PA · Pennsylvania

Summary

Dr. Kenneth S. Breslin, MD is a gastroenterologist at 132 S 10th St, Phila, PA 19107. Phone: (215) 955-8900. Accepts Medicare assignment. In 2024, Kenneth S. Breslin had 676 Original Medicare patients and 5,148 services. NPI 1619911252. 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: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 132 S 10th St, Phila, PA 19107 · Directions (1 more location)
  • Phone: (215) 955‑8900
  • Medicare: Accepts Medicare assignment
  • Hospitals: Hospital of University of Pennsylvania, St Mary Medical Center
  • Group practice: Jefferson University Physicians (+1 more)
  • Medical school: Jefferson Medical College Of Thomas Jefferson University · graduated 1987 (39 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Kenneth S. Breslin, 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 Kenneth S. Breslin accept Medicare assignment?
Yes. Medicare's clinician data says Kenneth S. Breslin 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 Kenneth S. Breslin see?
In 2024, CMS data shows 676 Original Medicare patients and 5,148 services for Kenneth S. Breslin. This counts Original Medicare only and measures volume, not quality.
What is Kenneth S. Breslin's NPI number?
1619911252. 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 Kenneth S. Breslin, 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 patients676
Services billed to Medicare5,148
Different services or procedures41
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)240 services
  2. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)189 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)160 services
  4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)140 services
  5. Colorectal cancer screening; colonoscopy on individual at high risk (G0105)90 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 pressure74%
  • Arthritis49%
  • Ischemic heart disease33%
  • Anxiety23%
  • Osteoporosis22%

Hospitals where Kenneth S. Breslin works

Medicare's Facility Affiliation Data lists Kenneth S. Breslin 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.

Practice locations

Addresses where Kenneth S. Breslin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kenneth S. Breslin as a member of these groups (CMS data updated October 2, 2026).

  • Jefferson University Physicians1,531 clinicians in the group
  • Regional Gastroenterology Associates of Lancaster, Ltd.244 clinicians in the group

Specialties

Find other Gastroenterology doctors in Pennsylvania →

Other gastroenterologists in Phila

Clinicians with the same Medicare primary specialty in Phila, PA — not a recommendation.

All gastroenterologists in Phila →

Other clinicians in Jefferson University Physicians

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

Clinician information

CredentialMD
Medical schoolJefferson Medical College Of Thomas Jefferson University
Graduation year1987 (39 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619911252
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