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

Diagnostic Radiology

David Wong, MD

Sees patients in Walnut Creek, CA · Modesto, CA · Stockton, CA … · California, Hawaii

Summary

David Wong, MD (Diagnostic Radiology) is enrolled with Medicare at 7 practice locations in Walnut Creek, CA, Modesto, CA and Stockton, CA and other places. NPI 1871584227. 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 David Wong, 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
48Years since medical school (graduated 1978)
MaleGender (as listed)

Quick answers

Where does David Wong see patients?
Medicare's clinician data lists 7 practice locations, including Walnut Creek, CA, Modesto, CA and Stockton, CA. Call before your visit to confirm the address.
What is David Wong's specialty?
Medicare lists Diagnostic Radiology as the primary specialty, and also Interventional Radiology.
Does David Wong accept Medicare assignment?
Yes. Medicare's clinician data says David Wong 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 David Wong?
(925) 937-6100, as listed in official Medicare / NPI Registry data.
What is David Wong's NPI number?
1871584227. 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 David Wong is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists David Wong as a member of these groups (CMS data updated 2026-10-02).

  • Norcal Imaging82 clinicians in the group
  • Modesto Advanced Diagnostic Imaging Medical Center65 clinicians in the group
  • Stockton Diagnostic Imaging61 clinicians in the group
  • Diagnostic Radiological Imaging53 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Walnut Creek

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

All radiologists in Walnut Creek →

Clinician information

CredentialMD
Graduation year1978
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871584227
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