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Internal Medicine

Wencheng Jen, MD

Works at hospitals in San Gabriel, CA · Arcadia, CA · California

Summary

Wencheng Jen, MD (Internal Medicine) is listed by Medicare at 2 hospitals in San Gabriel, CA and Arcadia, CA. NPI 1811915481. 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 Wencheng 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
28Years since medical school (graduated 1998)
University Of Southern California Keck School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Wencheng Jen work at?
Medicare's official clinician data lists Wencheng Jen at 2 hospitals: San Gabriel Valley Medical Center and USC Arcadia Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Wencheng Jen see patients?
Medicare's clinician data lists 1 practice location in Arcadia, CA. Call before your visit to confirm the address.
What is Wencheng Jen's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Wencheng Jen accept Medicare assignment?
Yes. Medicare's clinician data says Wencheng 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 Wencheng Jen offer telehealth?
Medicare's clinician data says Wencheng Jen offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Wencheng Jen?
(626) 416-3051, as listed in official Medicare / NPI Registry data.
What is Wencheng Jen's NPI number?
1811915481. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Wencheng Jen works

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

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Arcadia

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

All internal medicine doctors in Arcadia →

Clinician information

CredentialMD
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1811915481
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