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Internal Medicine

Maria W. Otera, MD

Sees patients in Harbor City, CA · California

Summary

Dr. Maria W. Otera, MD is an internal medicine doctor at 25821 Vermont Ave, Harbor City, CA 90710. Phone: (310) 325-5111. Accepts Medicare assignment. NPI 1386831071. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 25821 Vermont Ave, Harbor City, CA 90710 · Directions (3 more locations)
  • Phone: (310) 325‑5111
  • Medicare: Accepts Medicare assignment
  • Group practice: Southern California Permanente Medical Group
  • Medical school: Georgetown University School Of Medicine · graduated 1996 (30 years since medical school)
  • Gender (as listed): Female
Call(310) 325‑5111 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Maria W. Otera, 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 Maria W. Otera accept Medicare assignment?
Yes. Medicare's clinician data says Maria W. Otera 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 Maria W. Otera's NPI number?
1386831071. 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 Maria W. Otera is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maria W. Otera as a member of this group (CMS data updated October 2, 2026).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Harbor City

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

All internal medicine doctors in Harbor City →

Other clinicians in Southern California Permanente Medical Group

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386831071
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