Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Claudia U. Pfeil, MD

Sees patients in Los Angeles, CA · California

Summary

Claudia U. Pfeil, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Los Angeles, CA. NPI 1639367584. 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 Claudia U. Pfeil, 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
26Years since medical school (graduated 2000)
University Of Maryland School Of MedicineMedical school
FemaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Claudia U. Pfeil see patients?
Medicare's clinician data lists 1 practice location in Los Angeles, CA. Call before your visit to confirm the address.
What is Claudia U. Pfeil's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
Does Claudia U. Pfeil accept Medicare assignment?
Yes. Medicare's clinician data says Claudia U. Pfeil 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 Claudia U. Pfeil?
(323) 783-4011, as listed in official Medicare / NPI Registry data.
What is Claudia U. Pfeil's NPI number?
1639367584. 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 Claudia U. Pfeil is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Claudia U. Pfeil 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 Internal Medicine doctors in California →

Other internal medicine doctors in Los Angeles

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

All internal medicine doctors in Los Angeles →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639367584
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