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Family Practice

Theodore Youn, DO

Sees patients in Harbor City, CA · California

Summary

Theodore Youn, DO (Family Practice) is enrolled with Medicare at 4 practice locations in Harbor City, CA. NPI 1033599097. 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 Theodore Youn, 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
11Years since medical school (graduated 2015)
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Theodore Youn see patients?
Medicare's clinician data lists 4 practice locations, including Harbor City, CA. Call before your visit to confirm the address.
What is Theodore Youn's specialty?
Medicare lists Family Practice as the primary specialty.
Does Theodore Youn accept Medicare assignment?
Yes. Medicare's clinician data says Theodore Youn 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 Theodore Youn offer telehealth?
Medicare's clinician data says Theodore Youn offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Theodore Youn?
(310) 325-5111, as listed in official Medicare / NPI Registry data.
What is Theodore Youn's NPI number?
1033599097. 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 Theodore Youn is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Theodore Youn 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 Harbor City

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

All family doctors in Harbor City →

Clinician information

CredentialDO
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1033599097
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