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

Internal Medicine

Francisco Marquez, MD

Sees patients in San Marcos, CA · San Diego, CA · California

Summary

Francisco Marquez, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in San Marcos, CA and San Diego, CA. NPI 1316190747. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Francisco Marquez, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
21Years since medical school (graduated 2005)
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Francisco Marquez see patients?
Medicare's clinician data lists 2 practice locations, including San Marcos, CA and San Diego, CA. Call before your visit to confirm the address.
What is Francisco Marquez's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Francisco Marquez accept Medicare assignment?
Yes. Medicare's clinician data says Francisco Marquez 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 Francisco Marquez offer telehealth?
Medicare's clinician data says Francisco Marquez offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Francisco Marquez?
(619) 528-5000, as listed in official Medicare / NPI Registry data.
What is Francisco Marquez's NPI number?
1316190747. 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 Francisco Marquez is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Francisco Marquez 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 Internal Medicine doctors in California →

Other internal medicine doctors in San Marcos

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

All internal medicine doctors in San Marcos →

Clinician information

CredentialMD
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1316190747
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 2026-10-02, retrieved 2026-10-29
  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