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Diagnostic Radiology

Dillon C. Chen, MD

Works at hospitals in Marysville, CA · Chico, CA · Placerville, CA … · California

Summary

Dillon C. Chen, MD (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Marysville, CA, Chico, CA and Placerville, CA and other places. NPI 1740277060. 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 Dillon C. Chen, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
31Years since medical school (graduated 1995)
University Of California, San Francisco School Of MedicineMedical school
MaleGender (as listed)
Regents of the Univ of CaGroup practice

Quick answers

Which hospitals does Dillon C. Chen work at?
Medicare's official clinician data lists Dillon C. Chen at 5 hospitals: Adventist Health and Rideout, Enloe Health, Marshall Medical Center, Sierra Nevada Memorial Hospital and University of California Davis Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Dillon C. Chen see patients?
Medicare's clinician data lists 1 practice location in Sacramento, CA. Call before your visit to confirm the address.
What is Dillon C. Chen's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Dillon C. Chen accept Medicare assignment?
Yes. Medicare's clinician data says Dillon C. Chen 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 Dillon C. Chen?
(916) 734-2011, as listed in official Medicare / NPI Registry data.
What is Dillon C. Chen's NPI number?
1740277060. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Dillon C. Chen works

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

Group practices

Medicare enrollment lists Dillon C. Chen as a member of this group (CMS data updated 2026-10-02).

  • Regents of the Univ of Ca1,584 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Sacramento

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

All radiologists in Sacramento →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Francisco School Of Medicine
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740277060
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