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Internal Medicine

Peter C. Lang, MD

Sees patients in Thousand Oaks, CA · Woodland Hills, CA · California

Summary

Peter C. Lang, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Thousand Oaks, CA and Woodland Hills, CA. NPI 1811550940. 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 Peter C. Lang, 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
YesOffers telehealth
7Years since medical school (graduated 2019)
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Peter C. Lang see patients?
Medicare's clinician data lists 2 practice locations, including Thousand Oaks, CA and Woodland Hills, CA. Call before your visit to confirm the address.
What is Peter C. Lang's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Peter C. Lang accept Medicare assignment?
Yes. Medicare's clinician data says Peter C. Lang 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 Peter C. Lang offer telehealth?
Medicare's clinician data says Peter C. Lang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Peter C. Lang?
(888) 515-3500, as listed in official Medicare / NPI Registry data.
What is Peter C. Lang's NPI number?
1811550940. 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 Peter C. Lang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Peter C. Lang 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 Thousand Oaks

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

All internal medicine doctors in Thousand Oaks →

Clinician information

CredentialMD
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1811550940
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