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 patients | 201 |
|---|---|
| Services billed to Medicare | 236 |
| Different services or procedures | 64 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Anesthesia for lens surgery (00142)38 services
- Anesthesia for procedure on eyelid (00103)18 services
- 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.
- Providence Mission HospitalMission Viejo, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050567
Practice locations
Addresses where Caroline L. Tran is enrolled with Medicare (CMS data updated October 2, 2026).
- 27700 Medical Ctr RdMission Viejo, CA 92691 (949) 364‑1400
- 31852 Coast Hwy, Suite 400Laguna Beach, CA 92651 (949) 216‑8325
- 31872 Coast HwyLaguna Beach, CA 92651 (949) 499‑1311
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
- Anesthesiologyprimary
Other anesthesiologists in Mission Viejo
Clinicians with the same Medicare primary specialty in Mission Viejo, CA — not a recommendation.
Other clinicians in Western Anesthesia Medical Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598954026 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians