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Pulmonary Disease

Alan Chausow, MD

Sees patients in Los Altos, CA · California

Summary

Alan Chausow, MD (Pulmonary Disease) is enrolled with Medicare at 1 practice location in Los Altos, CA. NPI 1801983457. 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 Alan Chausow, 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

Pulmonary DiseasePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
50Years since medical school (graduated 1976)
Washington University School Of MedicineMedical school
MaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Where does Alan Chausow see patients?
Medicare's clinician data lists 1 practice location in Los Altos, CA. Call before your visit to confirm the address.
What is Alan Chausow's specialty?
Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists).
Does Alan Chausow accept Medicare assignment?
Yes. Medicare's clinician data says Alan Chausow 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 Alan Chausow offer telehealth?
Medicare's clinician data says Alan Chausow offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Alan Chausow?
(650) 254-5200, as listed in official Medicare / NPI Registry data.
What is Alan Chausow's NPI number?
1801983457. 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 Alan Chausow is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alan Chausow as a member of this group (CMS data updated 2026-10-02).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in California →

Other pulmonologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All pulmonologists in California →

Clinician information

CredentialMD
Medical schoolWashington University School Of Medicine
Graduation year1976
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1801983457
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