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Family Practice

Matthew E. Guest, MD

Works at hospitals in San Diego, CA · California

Summary

Matthew E. Guest, MD (Family Practice) is listed by Medicare at 1 hospital in San Diego, CA. NPI 1023038601. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Matthew E. Guest, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
23Years since medical school (graduated 2003)
State University Of New York At Buffalo School Of MedicineMedical school
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Which hospitals does Matthew E. Guest work at?
Medicare's official clinician data lists Matthew E. Guest at 1 hospital: Kaiser Foundation Hospital - San Diego. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Matthew E. Guest see patients?
Medicare's clinician data lists 2 practice locations, including La Mesa, CA and San Diego, CA. Call before your visit to confirm the address.
What is Matthew E. Guest's specialty?
Medicare lists Family Practice as the primary specialty.
Does Matthew E. Guest accept Medicare assignment?
Yes. Medicare's clinician data says Matthew E. Guest 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.
Does Matthew E. Guest offer telehealth?
Medicare's clinician data says Matthew E. Guest offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Matthew E. Guest?
(619) 528-5000, as listed in official Medicare / NPI Registry data.
What is Matthew E. Guest's NPI number?
1023038601. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Matthew E. Guest works

Medicare's Facility Affiliation Data lists Matthew E. Guest at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Matthew E. Guest is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Matthew E. Guest 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 Family Practice doctors in California →

Other family doctors in La Mesa

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

All family doctors in La Mesa →

Clinician information

CredentialMD
Medical schoolState University Of New York At Buffalo School Of Medicine
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1023038601
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians