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

Internal Medicine

Chatrathip Nasongkla, DO

Sees patients in San Ysidro, CA · California

Summary

Dr. Chatrathip Nasongkla, DO is an internal medicine doctor at 4004 Beyer Blvd, San Ysidro, CA 92173. Phone: (619) 428-4463. Accepts Medicare assignment. NPI 1639799760. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 4004 Beyer Blvd, San Ysidro, CA 92173 · Directions
  • Phone: (619) 428‑4463
  • Medicare: Accepts Medicare assignment
  • Group practice: Centro de Salud de la Comunidad de San Ysidro, Inc.
  • Medical school: graduated 2022 (4 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Chatrathip Nasongkla, 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 Chatrathip Nasongkla accept Medicare assignment?
Yes. Medicare's clinician data says Chatrathip Nasongkla 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 Chatrathip Nasongkla's NPI number?
1639799760. 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 Chatrathip Nasongkla is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Chatrathip Nasongkla as a member of this group (CMS data updated October 2, 2026).

  • Centro de Salud de la Comunidad de San Ysidro, Inc.297 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Ysidro

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

All internal medicine doctors in San Ysidro →

Other clinicians in Centro de Salud de la Comunidad de San Ysidro, Inc.

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

Clinician information

CredentialDO
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639799760
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