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Addiction Medicine

Mario F. San Bartolome, MD

Sees patients in Anaheim, CA · Buena Park, CA · California

Summary

Dr. Mario F. San Bartolome, MD is an addiction medicine doctor at 451 W Lincoln Ave, Suite 100, Anaheim, CA 92805. Phone: (714) 503-6550. Accepts Medicare assignment. NPI 1154420024. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Addiction medicine doctor (Medicare lists Addiction Medicine)
  • Address: 451 W Lincoln Ave, Suite 100, Anaheim, CA 92805 · Directions (1 more location)
  • Phone: (714) 503‑6550
  • Medicare: Accepts Medicare assignment
  • Group practice: KCS Inc
  • Medical school: University Of California, Irvine, California College Of Medicine · graduated 2003 (23 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Mario F. San Bartolome, 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 Mario F. San Bartolome accept Medicare assignment?
Yes. Medicare's clinician data says Mario F. San Bartolome 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 Mario F. San Bartolome's NPI number?
1154420024. 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 Mario F. San Bartolome is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mario F. San Bartolome as a member of this group (CMS data updated October 2, 2026).

  • KCS Inc16 clinicians in the group

Specialties

Find other Addiction Medicine doctors in California →

Other addiction medicine doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All addiction medicine doctors in California →

Other clinicians in KCS Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154420024
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