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General Practice

James A. Harrison, MD

Sees patients in Moreno Valley, CA · California

Summary

James A. Harrison, MD (General Practice) is enrolled with Medicare at 1 practice location in Moreno Valley, CA. NPI 1487678827. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James A. Harrison, 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
43Years since medical school (graduated 1983)
Medical College Of WisconsinMedical school
MaleGender (as listed)

Quick answers

Where does James A. Harrison see patients?
Medicare's clinician data lists 1 practice location in Moreno Valley, CA. Call before your visit to confirm the address.
What is James A. Harrison's specialty?
Medicare lists General Practice as the primary specialty.
Does James A. Harrison accept Medicare assignment?
Yes. Medicare's clinician data says James A. Harrison 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 James A. Harrison offer telehealth?
Medicare's clinician data says James A. Harrison offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for James A. Harrison?
(951) 243-5050, as listed in official Medicare / NPI Registry data.
What is James A. Harrison's NPI number?
1487678827. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where James A. Harrison is enrolled with Medicare (CMS data updated 2026-10-02).

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 schoolMedical College Of Wisconsin
Graduation year1983
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1487678827
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians