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

Emergency Medicine

Maxwell Y. Jen, MD

Works at hospitals in Orange, CA · California

Summary

Maxwell Y. Jen, MD (Emergency Medicine) is listed by Medicare at 1 hospital in Orange, CA. NPI 1154688810. 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 Maxwell Y. Jen, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
14Years since medical school (graduated 2012)
University Of California, San Francisco School Of MedicineMedical school
MaleGender (as listed)
Regents of the University ofGroup practice (+3 more)

Quick answers

Which hospitals does Maxwell Y. Jen work at?
Medicare's official clinician data lists Maxwell Y. Jen at 1 hospital: UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Maxwell Y. Jen see patients?
Medicare's clinician data lists 4 practice locations, including Orange, CA, Glendale, CA and Corona, CA. Call before your visit to confirm the address.
What is Maxwell Y. Jen's specialty?
Medicare lists Emergency Medicine as the primary specialty, and also General Practice.
Does Maxwell Y. Jen accept Medicare assignment?
Yes. Medicare's clinician data says Maxwell Y. Jen 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.
Does Maxwell Y. Jen offer telehealth?
Medicare's clinician data says Maxwell Y. Jen offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Maxwell Y. Jen?
(714) 456-7004, as listed in official Medicare / NPI Registry data.
What is Maxwell Y. Jen's NPI number?
1154688810. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Maxwell Y. Jen works

Medicare's Facility Affiliation Data lists Maxwell Y. Jen 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 Maxwell Y. Jen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Maxwell Y. Jen as a member of these groups (CMS data updated 2026-10-02).

  • Regents of the University of129 clinicians in the group
  • Vital Medical Group Inc10 clinicians in the group
  • Remedial Medical Services Inc9 clinicians in the group
  • Remedial Patients Care Inc8 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Orange

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

All emergency medicine doctors in Orange →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Francisco School Of Medicine
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1154688810
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