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Internal Medicine

Khaingthazin San, MD

Sees patients in Modesto, CA · Manteca, CA · Stockton, CA · California

Summary

Dr. Khaingthazin San, MD is an internal medicine doctor at 1524 McHenry Ave, Suite 300, Modesto, CA 95350. Phone: (209) 722-4842. Accepts Medicare assignment. NPI 1508387630. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1524 McHenry Ave, Suite 300, Modesto, CA 95350 · Directions (2 more locations)
  • Phone: (209) 722‑4842
  • Medicare: Accepts Medicare assignment
  • Group practice: Permanente Medical Group Inc (+1 more)
  • Medical school: graduated 2009 (17 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Khaingthazin San, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Khaingthazin San accept Medicare assignment?
Yes. Medicare's clinician data says Khaingthazin San accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Khaingthazin San's NPI number?
1508387630. 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 Khaingthazin San is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Khaingthazin San as a member of these groups (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group
  • Golden Valley Health Centers113 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Modesto

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

All internal medicine doctors in Modesto →

Other clinicians in Permanente Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508387630
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 October 2, 2026, retrieved October 29, 2026
  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