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General Surgery

James G. Oloughlin, DO

Works at hospitals in Murrieta, CA · Temecula, CA · California

Summary

Dr. James G. Oloughlin, DO is a general surgeon at 101 The City Dr S, Orange, CA 92868. Phone: (714) 634-5549. Accepts Medicare assignment. NPI 1124438924. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about James G. Oloughlin, 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 James G. Oloughlin accept Medicare assignment?
Yes. Medicare's clinician data says James G. Oloughlin 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.
What is James G. Oloughlin's NPI number?
1124438924. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James G. Oloughlin works

Medicare's Facility Affiliation Data lists James G. Oloughlin 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 James G. Oloughlin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists James G. Oloughlin as a member of these groups (CMS data updated October 2, 2026).

  • University Surgeons of Orange a Medical Group116 clinicians in the group
  • Murrieta Valley Surgery Associates Medical Group Inc Apc16 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Orange

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

All general surgeons in Orange →

Other clinicians in University Surgeons of Orange a Medical Group

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

Clinician information

CredentialDO
Medical schoolRocky Vista University College Of Osteopathic Med
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124438924
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians