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Family Practice

Patrick J. Lemm, DO

Sees patients in Harbor City, CA · California

Summary

Patrick J. Lemm, DO (Family Practice) is enrolled with Medicare at 4 practice locations in Harbor City, CA. NPI 1710920756. 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 Patrick J. Lemm, 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
27Years since medical school (graduated 1999)
West Virginia School Of Osteopathic MedicineMedical school
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Patrick J. Lemm see patients?
Medicare's clinician data lists 4 practice locations, including Harbor City, CA. Call before your visit to confirm the address.
What is Patrick J. Lemm's specialty?
Medicare lists Family Practice as the primary specialty.
Does Patrick J. Lemm accept Medicare assignment?
Yes. Medicare's clinician data says Patrick J. Lemm 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.
What is the phone number for Patrick J. Lemm?
(310) 325-5111, as listed in official Medicare / NPI Registry data.
What is Patrick J. Lemm's NPI number?
1710920756. 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 Patrick J. Lemm is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Patrick J. Lemm 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
Medical schoolWest Virginia School Of Osteopathic Medicine
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710920756
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