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Family Practice

Richard C. Harker, MD

Works at hospitals in Hershey, PA · Camp Hill, PA · Carlisle, PA … · Pennsylvania

Summary

Dr. Richard C. Harker, MD is a family doctor at 6375 Mercury Dr, Suite 200, Mechanicsburg, PA 17050. Phone: (717) 620-2500. Accepts Medicare assignment. In 2024, Richard C. Harker had 171 Original Medicare patients and 1,115 services. NPI 1780670885. 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 Richard C. Harker, 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 Richard C. Harker accept Medicare assignment?
Yes. Medicare's clinician data says Richard C. Harker 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 Richard C. Harker see?
In 2024, CMS data shows 171 Original Medicare patients and 1,115 services for Richard C. Harker. This counts Original Medicare only and measures volume, not quality.
What is Richard C. Harker's NPI number?
1780670885. 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 Richard C. Harker, 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 patients171
Services billed to Medicare1,115
Different services or procedures34
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)258 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)123 services
  3. Administration of influenza virus vaccine (G0008)92 services
  4. Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use (90677)86 services
  5. Administration of pneumococcal vaccine (G0009)86 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%
  • Arthritis48%
  • Diabetes30%
  • Anxiety30%
  • Ischemic heart disease25%

Hospitals where Richard C. Harker works

Medicare's Facility Affiliation Data lists Richard C. Harker 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.

  • Milton S Hershey Medical CenterHershey, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390256
  • Penn State Health Holy Spirit Medical CenterCamp Hill, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390004
  • 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
  • WellSpan York HospitalYork, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390046

Practice locations

Addresses where Richard C. Harker is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Richard C. Harker as a member of this group (CMS data updated October 2, 2026).

  • West Shore Family Practice PC4 clinicians in the group

Specialties

Find other Family Practice doctors in Pennsylvania →

Other family doctors in Mechanicsburg

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

All family doctors in Mechanicsburg →

Other clinicians in West Shore Family Practice PC

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

Clinician information

CredentialMD
Medical schoolPennsylvania State University College Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780670885
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