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Family Practice

Sergio Viera, MD

Sees patients in Gardena, CA · Harbor City, CA · California

Summary

Sergio Viera, MD (Family Practice) is enrolled with Medicare at 2 practice locations in Gardena, CA and Harbor City, CA. NPI 1265810964. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(310) 325‑5111 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Sergio Viera, 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

2Practice locations
Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
12Years since medical school (graduated 2014)
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Sergio Viera see patients?
Medicare's clinician data lists 2 practice locations, including Gardena, CA and Harbor City, CA. Call before your visit to confirm the address.
What is Sergio Viera's specialty?
Medicare lists Family Practice as the primary specialty.
Does Sergio Viera accept Medicare assignment?
Yes. Medicare's clinician data says Sergio Viera 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 Sergio Viera offer telehealth?
Medicare's clinician data says Sergio Viera offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Sergio Viera?
(310) 325-5111, as listed in official Medicare / NPI Registry data.
What is Sergio Viera's NPI number?
1265810964. 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 Sergio Viera is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sergio Viera 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 Gardena

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

All family doctors in Gardena →

Clinician information

CredentialMD
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1265810964
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