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Physician Assistant

Darin E. Johnson, PA

Works at hospitals in Laguna Hills, CA · Mission Viejo, CA · California

Summary

Darin E. Johnson, PA (Physician Assistant) is listed by Medicare at 2 hospitals in Laguna Hills, CA and Mission Viejo, CA. NPI 1235295254. 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 Darin E. Johnson, 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

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
22Years since medical school (graduated 2004)
MaleGender (as listed)
Orthopaedic Specialty Institute Medical Group of Orange CountyGroup practice

Quick answers

Which hospitals does Darin E. Johnson work at?
Medicare's official clinician data lists Darin E. Johnson at 2 hospitals: Memorialcare Saddleback Medical Center and Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Darin E. Johnson see patients?
Medicare's clinician data lists 2 practice locations, including Irvine, CA and Laguna Hills, CA. Call before your visit to confirm the address.
What is Darin E. Johnson's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Darin E. Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Darin E. Johnson 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.
What is the phone number for Darin E. Johnson?
(714) 634-4567, as listed in official Medicare / NPI Registry data.
What is Darin E. Johnson's NPI number?
1235295254. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Darin E. Johnson works

Medicare's Facility Affiliation Data lists Darin E. Johnson 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 Darin E. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Darin E. Johnson as a member of this group (CMS data updated 2026-10-02).

  • Orthopaedic Specialty Institute Medical Group of Orange County64 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in Irvine

Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.

All physician assistants in Irvine →

Clinician information

CredentialPA
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235295254
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