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Anesthesiology

Caroline L. Tran, MD

Works at hospitals in Mission Viejo, CA · California

Summary

Dr. Caroline L. Tran, MD is an anesthesiologist at 27700 Medical Ctr Rd, Mission Viejo, CA 92691. Phone: (949) 364-1400. Accepts Medicare assignment. In 2024, Caroline L. Tran had 201 Original Medicare patients and 236 services. NPI 1598954026. 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.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 27700 Medical Ctr Rd, Mission Viejo, CA 92691 · Directions (2 more locations)
  • Phone: (949) 364‑1400
  • Medicare: Accepts Medicare assignment
  • Hospital: Providence Mission Hospital
  • Group practice: Western Anesthesia Medical Associates Inc
  • Medical school: graduated 2007 (19 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Caroline L. Tran, 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 Caroline L. Tran accept Medicare assignment?
Yes. Medicare's clinician data says Caroline L. Tran 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 Caroline L. Tran see?
In 2024, CMS data shows 201 Original Medicare patients and 236 services for Caroline L. Tran. This counts Original Medicare only and measures volume, not quality.
What is Caroline L. Tran's NPI number?
1598954026. 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 Caroline L. Tran, 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 patients201
Services billed to Medicare236
Different services or procedures64
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Anesthesia for lens surgery (00142)38 services
  2. Anesthesia for procedure on eyelid (00103)18 services
  3. Anesthesia for procedure on small and large bowel using an endoscope (00813)12 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%
  • Arthritis49%
  • Anxiety28%
  • Diabetes24%
  • Atrial fibrillation22%

Hospitals where Caroline L. Tran works

Medicare's Facility Affiliation Data lists Caroline L. Tran 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 Caroline L. Tran is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Caroline L. Tran as a member of this group (CMS data updated October 2, 2026).

  • Western Anesthesia Medical Associates Inc49 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Mission Viejo

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

All anesthesiologists in Mission Viejo →

Other clinicians in Western Anesthesia Medical Associates Inc

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

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598954026
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