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Gastroenterology

Justin J. Harberson, MD

Works at hospitals in Lancaster, PA · Lititz, PA · Pennsylvania

Summary

Dr. Justin J. Harberson, MD is a gastroenterologist at 2112 Harrisburg Pike, Suite 202, Lancaster, PA 17601. Phone: (717) 869-4600. Accepts Medicare assignment. In 2024, Justin J. Harberson had 523 Original Medicare patients and 2,509 services. NPI 1922284652. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Justin J. Harberson, 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 Justin J. Harberson accept Medicare assignment?
Yes. Medicare's clinician data says Justin J. Harberson 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 Justin J. Harberson see?
In 2024, CMS data shows 523 Original Medicare patients and 2,509 services for Justin J. Harberson. This counts Original Medicare only and measures volume, not quality.
What is Justin J. Harberson's NPI number?
1922284652. 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 Justin J. Harberson, 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 patients523
Services billed to Medicare2,509
Different services or procedures46
Participating Medicare providerYes
Average age of these patients73

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)166 services
  2. Biopsy of large bowel using a flexible endoscope (45380)125 services
  3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)87 services
  4. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)86 services
  5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)68 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 pressure71%
  • Arthritis51%
  • Anxiety28%
  • Ischemic heart disease27%
  • Diabetes26%

Hospitals where Justin J. Harberson works

Medicare's Facility Affiliation Data lists Justin J. Harberson 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 Justin J. Harberson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Justin J. Harberson as a member of these groups (CMS data updated October 2, 2026).

  • Lancaster General Hospital520 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 Lancaster

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

All gastroenterologists in Lancaster →

Other clinicians in Lancaster General Hospital

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

Clinician information

CredentialMD
Medical schoolTemple University School Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1922284652
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