Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Chuan Y. Ren, MD

Sees patients in Newport Beach, CA · California

Summary

Chuan Y. Ren, MD (Anesthesiology) is enrolled with Medicare at 1 practice location in Newport Beach, CA. NPI 1831139534. 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 Chuan Y. Ren, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
42Years since medical school (graduated 1984)
Stanford University School Of MedicineMedical school
MaleGender (as listed)
Newport Harbor Anesthesia Consultants Medical Group IncGroup practice

Quick answers

Where does Chuan Y. Ren see patients?
Medicare's clinician data lists 1 practice location in Newport Beach, CA. Call before your visit to confirm the address.
What is Chuan Y. Ren's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Chuan Y. Ren accept Medicare assignment?
Yes. Medicare's clinician data says Chuan Y. Ren 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 Chuan Y. Ren?
(949) 645-8600, as listed in official Medicare / NPI Registry data.
What is Chuan Y. Ren's NPI number?
1831139534. 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 Chuan Y. Ren is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Chuan Y. Ren as a member of this group (CMS data updated 2026-10-02).

  • Newport Harbor Anesthesia Consultants Medical Group Inc95 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Newport Beach

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

All anesthesiologists in Newport Beach →

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year1984
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831139534
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