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Internal Medicine

Joshua Lo, DO

Sees patients in San Mateo, CA · San Carlos, CA · Los Altos, CA … · California

Summary

Joshua Lo, DO (Internal Medicine) is enrolled with Medicare at 4 practice locations in San Mateo, CA, San Carlos, CA and Los Altos, CA and other places. NPI 1295313880. 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 Joshua Lo, 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
5Years since medical school (graduated 2021)
MaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Where does Joshua Lo see patients?
Medicare's clinician data lists 4 practice locations, including San Mateo, CA, San Carlos, CA and Los Altos, CA. Call before your visit to confirm the address.
What is Joshua Lo's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Joshua Lo accept Medicare assignment?
Yes. Medicare's clinician data says Joshua Lo 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 Joshua Lo offer telehealth?
Medicare's clinician data says Joshua Lo offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Joshua Lo?
(650) 343-4200, as listed in official Medicare / NPI Registry data.
What is Joshua Lo's NPI number?
1295313880. 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 Joshua Lo is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Joshua Lo as a member of this group (CMS data updated 2026-10-02).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Mateo

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

All internal medicine doctors in San Mateo →

Clinician information

CredentialDO
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1295313880
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