Dr. Alan Chausow, MD

  • Mountain View, CA
  • Pulmonologist
NPI1801983457PAC ID2365531050
Medicare services, 2023
606
Medicare patients, 2024
11
Part D claims, 2024
187
Publications
2
Industry payments
$2,438
Practice address
701 E. El Camino Real, Mountain View, CA 94040
Practice phone
Call (650) 934-7700
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Palo Alto Med Foundation - Mountain View

Mammography / Breast Imaging Center · Mountain View, California

See all 5 affiliations

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Dr. Alan Chausow is a pulmonologist in Mountain View, California

Dr. Chausow practices at Palo Alto Med Foundation - Mountain View in Mountain View, California.

Dr. Chausow's NPI, 1801983457, was assigned on October 6, 2006. Dr. Chausow graduated from Washington University School of Medicine in 1976. Dr. Chausow holds California license G52077.

NPI and contact details
Medicare PAC ID
2365531050
NPI enumeration date
October 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 934-7700
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
76
Medical school graduation
1976

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Alan Chausow practices at Palo Alto Med Foundation - Mountain View in Mountain View, California

Dr. Chausow's primary practice is Palo Alto Med Foundation - Mountain View, at 701 E. El Camino Real, Mountain View, CA 94040. The practice phone is (650) 934-7700.

  • Palo Alto Med Foundation - Mountain View
    701 E. El Camino Real, Mountain View, CA 94040Phone(650) 934-7700

Source: Dmand AI Affiliation Data

Dr. Alan Chausow is affiliated with 3 sites of care and 2 medical groups

Dr. Chausow's primary practice is Palo Alto Med Foundation - Mountain View in Mountain View, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Chausow to 1 more group practice or clinic, 1 ambulatory surgery center and 1 medical group, each named with a free account. Dr. Chausow's employer is on file too: a breast imaging center.

See all 5 affiliations for Dr. Chausow

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Alan Chausow's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chausow practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Palo Alto Med Foundation - Mountain ViewAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alan Chausow is one of 1,339 pulmonologists in California

Pulmonary disease is Dr. Chausow's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Chausow is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Chausow's licenses on file in 2 states: California and Illinois.

Specialties and state licenses

  • Pulmonary disease, CaliforniaPrimaryLicense G52077 · 1984 to 2027 · taxonomy 207RP1001X
  • Illinois license1978 to 1984

Clinical focus

Dmand AI lists acute sinusitis, asthma, chronic lung disease, chronic obstructive pulmonary disease (COPD), pleural effusion, pneumonia and pulmonary fibrosis among the conditions Dr. Chausow treats.

Pulmonologists near Dr. Chausow

Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.

1,339pulmonologists in California
8pulmonologists in Mountain View

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Alan Chausow billed Medicare for 606 services in 2023

CMS data shows 606 Medicare services from Dr. Chausow across 11 procedure codes in 2023, for 11 Medicare patients. Medicare paid $45,982 for them. Every service was in an office.

Medicare services, 2023606
Medicare patients11
Paid by Medicare$45,982
Procedure codes11

Dr. Chausow's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 4352023: 31528%
Tests and treatments
2022: 3382023: 29114%
Other services
2022: 672023: 0100%

Dr. Chausow compared with the California median for pulmonologists, 2023

  • Dr. Chausow
  • California median
Medicare services
606vs 6497% below
Medicare patients
11vs 27296% below
Part D claims
100vs 42176% below

Medians across 1,263 pulmonologists in California with Dmand AI profiles that report each measure.

Dr. Chausow's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Chausow

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Alan Chausow treated 11 Medicare patients in 2024, average age 69

CMS counts 11 Medicare patients who saw Dr. Chausow in 2024. The largest group is 75 to 84, with 0 patients. Their average risk score is 1.32, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chausow's median patient age at 71, with 80% women.

Medicare patients, 202411
Average age69
Average risk score1.32

Dr. Chausow's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Chausow's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women80%
  • Men20%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Alan Chausow wrote 187 Medicare Part D claims in 2024

In 2024, Dr. Chausow wrote 187 Medicare Part D claims for 56 patients. 28% of them were for generic drugs. CMS names the drug for 100 of them, across 5 drugs with 11 or more claims each, at $62,125 in total drug cost. In 2023, CMS named 773 claims across 19 drugs.

Part D claims, 2024187
Drugs named by CMS5
Total drug cost$62,125
Part D patients56

Dr. Chausow's Part D claims by kind of drug, 2024

  • Generic52 claims28%
  • Brand-name135 claims72%

Dr. Chausow's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 7732024: 10087%

Drugs named by CMS: 5 in 2024, 19 in 2023.

See all prescribing by Dr. Chausow

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Alan Chausow offers telehealth to Medicare patients

Dr. Chausow accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chausow as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Alan Chausow has 2 publications on record

Dmand AI links 2 papers to Dr. Chausow, published from 2017 to 2018. The most frequent topics are Asthma and Psychometrics. Dr. Chausow has published most often in J Allergy Clin Immunol. Dr. Chausow's most frequent co-authors are Mario Castro, MD and Robert Wise, MD.

Papers2
Years published2017 to 2018

Topics Dr. Chausow writes about most

  • Asthma
  • Psychometrics

Dr. Chausow's most frequent co-authors

Recent publications by Dr. Chausow

See all 2 publications and co-authors

See who Dr. Chausow researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chausow works with, so you can find a warm path to the right pulmonologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Alan Chausow received $2,438 in industry payments from 2016 to 2024

CMS Open Payments shows 9 general payments to Dr. Chausow from 6 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 80% of the total. GlaxoSmithKline, LLC. paid the most, $2,033.

General payments to Dr. Chausow by program year, 2016 to 2024

General payments to Dr. Chausow by kind, 2016 to 2024

$2.4Kin total
  • Consulting fees$1,95080%
  • Food and beverage$47319%
  • Education$151%

Companies that paid Dr. Chausow the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Chausow

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Alan Chausow has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Chausow, most recently Regional Top Doctor in 2014.

Awards and honors for Dr. Chausow

  1. 2014
    • Regional Top Doctor
  2. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Alan Chausow graduated from Washington University School of Medicine

Dr. Chausow graduated from Washington University School of Medicine in 1976.

  1. Medical schoolWashington University School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in pulmonary diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Alan Chausow accepts plans from 8 insurance carriers

Dr. Chausow is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • Elevance

Plan types Dr. Chausow accepts, by number of carriers

  1. PPO7
  2. Medicare6
  3. HMO3
  4. POS3
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Alan Chausow's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Alan Chausow

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Alan Chausow's NPI number?

Dr. Alan Chausow's NPI number is 1801983457. It was assigned on October 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Alan Chausow?

Dr. Alan Chausow is a pulmonologist in Mountain View, California. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Alan Chausow practice?

Dr. Chausow practices at 701 E. El Camino Real, Mountain View, CA 94040. Dr. Chausow's primary practice is Palo Alto Med Foundation - Mountain View in Mountain View, California. Dmand AI also links Dr. Chausow to 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.

What is Dr. Alan Chausow's office phone number?

The practice phone on file for Dr. Chausow is (650) 934-7700.

What is Dr. Alan Chausow's medical license number?

Dr. Chausow holds California license G52077, one of the licenses on file in 2 states.

Which states has Dr. Alan Chausow been licensed in?

Dmand AI has state licenses on file for Dr. Chausow in California (1984 to 2027) and Illinois (1978 to 1984).

What medical group is Dr. Alan Chausow part of?

Dr. Chausow is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Chausow to 1 more medical group.

Does Dr. Alan Chausow accept Medicare?

Yes. CMS data shows Dr. Chausow billed Medicare for 606 services in 2023, and Dr. Chausow accepts Medicare assignment.

Does Dr. Alan Chausow offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chausow as offering telehealth services.

How many Medicare patients does Dr. Alan Chausow see?

CMS counts 11 Medicare patients who saw Dr. Chausow in 2024, with an average age of 69.

Show 9 more questionsShow fewer questions

Is Dr. Alan Chausow board certified?

Yes. Dr. Chausow is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Alan Chausow bill to Medicare?

In 2023, Dr. Chausow's most billed Medicare services were office visit, established patient (99214), lung function service (94729) and lung function service (94010).

Where did Dr. Alan Chausow go to medical school?

Dr. Chausow graduated from Washington University School of Medicine in 1976.

What drugs does Dr. Alan Chausow prescribe most?

In 2024 Medicare Part D data, Dr. Chausow's most prescribed drugs by claims were Breo Ellipta, Trelegy Ellipta and Azelastine HCl.

Has Dr. Alan Chausow received payments from drug or device companies?

CMS Open Payments shows $2,438 in general payments to Dr. Chausow from 6 companies from 2016 to 2024. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. Alan Chausow been practicing?

Dr. Chausow graduated from medical school in 1976, 50 years ago.

Does Dr. Alan Chausow do research?

Dmand AI links 2 publications to Dr. Chausow, published from 2017 to 2018.

Who does Dr. Alan Chausow publish with?

Dr. Chausow's most frequent co-authors are Mario Castro, MD (2 shared papers) and Robert Wise, MD (2 shared papers).

What insurance does Dr. Alan Chausow accept?

Dr. Chausow is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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