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General Practice

John R. Harper Iii, MD

Works at hospitals in El Centro, CA · Escondido, CA · Poway, CA … · California

Summary

John R. Harper Iii, MD (General Practice) is listed by Medicare at 4 hospitals in El Centro, CA, Escondido, CA and Poway, CA and other places. NPI 1720098205. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John R. Harper Iii, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

General PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
25Years since medical school (graduated 2001)
Pennsylvania State University College Of MedicineMedical school
MaleGender (as listed)
Arch Health Partners IncGroup practice

Quick answers

Which hospitals does John R. Harper Iii work at?
Medicare's official clinician data lists John R. Harper Iii at 4 hospitals: El Centro Regional Medical Center, Palomar Health Downtown Campus, Palomar Medical Center Poway and Pioneers Memorial Healthcare District. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John R. Harper Iii see patients?
Medicare's clinician data lists 1 practice location in Ramona, CA. Call before your visit to confirm the address.
What is John R. Harper Iii's specialty?
Medicare lists General Practice as the primary specialty.
Does John R. Harper Iii accept Medicare assignment?
Yes. Medicare's clinician data says John R. Harper Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does John R. Harper Iii offer telehealth?
Medicare's clinician data says John R. Harper Iii offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for John R. Harper Iii?
(760) 789-2629, as listed in official Medicare / NPI Registry data.
What is John R. Harper Iii's NPI number?
1720098205. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John R. Harper Iii works

Medicare's Facility Affiliation Data lists John R. Harper Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John R. Harper Iii is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John R. Harper Iii as a member of this group (CMS data updated 2026-10-02).

  • Arch Health Partners Inc145 clinicians in the group

Specialties

Find other General Practice doctors in California →

Other general practitioners in California

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

All general practitioners in California →

Clinician information

CredentialMD
Medical schoolPennsylvania State University College Of Medicine
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1720098205
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians