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Family Practice

Lester M. Deguzman, MD

Sees patients in San Marcos, CA · California

Summary

Dr. Lester M. Deguzman, MD is a family doctor at 740 Nordahl Rd, Suite 131, San Marcos, CA 92069. Phone: (760) 432-9000. Accepts Medicare assignment. NPI 1255345567. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 740 Nordahl Rd, Suite 131, San Marcos, CA 92069 · Directions
  • Phone: (760) 432‑9000
  • Medicare: Accepts Medicare assignment
  • Group practice: American Current Care of California a Medical Corporation
  • Medical school: Wayne State University School Of Medicine · graduated 2002 (24 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Lester M. Deguzman, 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 Lester M. Deguzman accept Medicare assignment?
Yes. Medicare's clinician data says Lester M. Deguzman 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 Lester M. Deguzman's NPI number?
1255345567. 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 Lester M. Deguzman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lester M. Deguzman as a member of this group (CMS data updated October 2, 2026).

  • American Current Care of California a Medical Corporation130 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in San Marcos

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

All family doctors in San Marcos →

Other clinicians in American Current Care of California a Medical Corporation

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255345567
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