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Physical Medicine and Rehabilitation

Justin S. Hong, MD

Works at hospitals in Hershey, PA · Lebanon, PA · Pennsylvania

Summary

Dr. Justin S. Hong, MD is a rehabilitation doctor at 1135 Olde W Chocolate Ave, Suite 101, Hummelstown, PA 17036. Phone: (717) 531-7010. Accepts Medicare assignment. In 2024, Justin S. Hong had 196 Original Medicare patients and 1,131 services. NPI 1912161431. 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: Rehabilitation doctor (Medicare lists Physical Medicine and Rehabilitation)
  • Address: 1135 Olde W Chocolate Ave, Suite 101, Hummelstown, PA 17036 · Directions
  • Phone: (717) 531‑7010
  • Medicare: Accepts Medicare assignment
  • Hospitals: Milton S Hershey Medical Center, WellSpan Good Samaritan Hospital
  • Group practice: The Milton S Hershey Medical Center Physicians Group
  • Medical school: graduated 2007 (19 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Justin S. Hong, 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 S. Hong accept Medicare assignment?
Yes. Medicare's clinician data says Justin S. Hong 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 S. Hong see?
In 2024, CMS data shows 196 Original Medicare patients and 1,131 services for Justin S. Hong. This counts Original Medicare only and measures volume, not quality.
What is Justin S. Hong's NPI number?
1912161431. 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 S. Hong, 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 patients196
Services billed to Medicare1,131
Different services or procedures13
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)722 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)184 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)104 services
  4. Hospital discharge day management, 30 minutes or less (99238)77 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)17 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 blood pressure75%
  • High cholesterol75%
  • Arthritis64%
  • Chronic kidney disease54%
  • Diabetes51%
  • Ischemic heart disease48%

Hospitals where Justin S. Hong works

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

Group practices

Medicare enrollment lists Justin S. Hong as a member of this group (CMS data updated October 2, 2026).

  • The Milton S Hershey Medical Center Physicians Group1,623 clinicians in the group

Specialties

Find other Physical Medicine and Rehabilitation doctors in Pennsylvania →

Other rehabilitation doctors in Hummelstown

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

All rehabilitation doctors in Hummelstown →

Other clinicians in The Milton S Hershey Medical Center Physicians Group

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

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912161431
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