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Gastroenterology

Danh Dan, MD

Sees patients in Anaheim, CA · Irvine, CA · California

Summary

Danh Dan, MD (Gastroenterology) is enrolled with Medicare at 6 practice locations in Anaheim, CA and Irvine, CA. NPI 1790917631. 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 Danh Dan, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
18Years since medical school (graduated 2008)
Medical College Of WisconsinMedical school
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Danh Dan see patients?
Medicare's clinician data lists 6 practice locations, including Anaheim, CA and Irvine, CA. Call before your visit to confirm the address.
What is Danh Dan's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Danh Dan accept Medicare assignment?
Yes. Medicare's clinician data says Danh Dan 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 Danh Dan?
(888) 988-2800, as listed in official Medicare / NPI Registry data.
What is Danh Dan's NPI number?
1790917631. 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 Danh Dan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Danh Dan as a member of this group (CMS data updated 2026-10-02).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in Anaheim

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

All gastroenterologists in Anaheim →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790917631
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