J Allergy Clin Immunol
Gene DuplicationMast Cell Activation DisordersMast Cell Activation Syndrome
Dr. Madeleine Blair Chollet, MD, PhD
NPI1518351667PAC ID7315346202
- Medicare services, 2024
- 436
- Medicare patients, 2024
- 49
- Part D claims, 2024
- 92
- Publications
- 5
- Industry payments
- $700
- Practice address
- 4050 Dublin Blvd., Dublin, CA 94568
- Practice phone
- Call (925) 875-6144
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dublin Center Imaging
Mammography / Breast Imaging Center · Dublin, California
Find Dr. Chollet's professional email, personal email and mobile number
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Dr. Madeleine Blair Chollet is an allergist and immunologist in Dublin, California
Dr. Chollet practices at Dublin Center Imaging in Dublin, California.
Dr. Chollet's NPI, 1518351667, was assigned on March 26, 2015. Dr. Chollet graduated from WashU Medicine in 2015. Dr. Chollet's California license number on file is A143868.
NPI and contact details
- NPI
- 1518351667NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315346202
- NPI enumeration date
- March 26, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (925) 875-6144
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Madeleine Blair Chollet practices at Dublin Center Imaging in Dublin, California
Dr. Chollet's primary practice is Dublin Center Imaging, at 4050 Dublin Blvd., Dublin, CA 94568. The practice phone is (925) 875-6144.
- Dublin Center Imaging4050 Dublin Blvd., Dublin, CA 94568Phone(925) 875-6144
Source: Dmand AI Affiliation Data
Dr. Madeleine Blair Chollet is affiliated with 2 sites of care and 1 medical group
Dr. Chollet's primary practice is Dublin Center Imaging in Dublin, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Chollet to 1 more group practice or clinic, named with a free account. Dr. Chollet's employer is on file too: a breast imaging center.
Dublin Center ImagingPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Madeleine Blair Chollet's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chollet practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dublin Center Imaging | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Madeleine Blair Chollet is one of 386 allergists and immunologists in California
Allergy and immunology is Dr. Chollet's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Chollet is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Chollet's licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Allergy and immunology, CaliforniaPrimary
- Michigan license
Clinical focus
Dmand AI lists asthma and hives among the conditions Dr. Chollet treats.
Allergists and immunologists near Dr. Chollet
Counts of allergists and immunologists with a Dmand AI profile, by place and practice. Each opens the list.
386allergists and immunologists in California
2allergists and immunologists in Dublin
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Madeleine Blair Chollet billed Medicare for 436 services in 2024
CMS data shows 436 Medicare services from Dr. Chollet across 3 procedure codes in 2024, for 49 Medicare patients. Medicare paid $4,538 for them. Every service was in an office.
Medicare services, 2024436
Medicare patients49
Paid by Medicare$4,538
Procedure codes3
Dr. Chollet's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 4292024: 3997%
- Office and hospital visits
- 2023: 432024: 3714%
Dr. Chollet compared with the California median for allergists and immunologists, 2024
- Dr. Chollet
- California median
- Medicare services
- 436vs 1,84076% below
- Medicare patients
- 49vs 14566% below
- Part D claims
- 50vs 25981% below
Medians across 368 allergists and immunologists in California with Dmand AI profiles that report each measure.
Dr. Chollet's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chollet?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chollet and other allergists and immunologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Madeleine Blair Chollet treated 49 Medicare patients in 2024, average age 71
CMS counts 49 Medicare patients who saw Dr. Chollet in 2024. The largest group is 65 to 74, with 27 patients. 69% of them have high blood pressure, and 63% have high cholesterol. Their average risk score is 0.78, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chollet's median patient age at 33, with 50% women.
Medicare patients, 202449
Average age71
Average risk score0.78
Dr. Chollet's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chollet's Medicare patients by sex, 2024
- Women3673%
- Men1327%
Chronic conditions among Dr. Chollet's Medicare patients, 2024
- High blood pressure69%
- High cholesterol63%
- Arthritis45%
- Asthma37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chollet's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women50%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Madeleine Blair Chollet wrote 92 Medicare Part D claims in 2024
In 2024, Dr. Chollet wrote 92 Medicare Part D claims for 31 patients. 59% of them were for generic drugs. CMS names the drug for 50 of them, across 3 drugs with 11 or more claims each, at $108,082 in total drug cost. In 2023, CMS named 23 claims across 2 drugs.
Part D claims, 202492
Drugs named by CMS3
Total drug cost$108,082
Part D patients31
Dr. Chollet's Part D claims by kind of drug, 2024
- Generic54 claims59%
- Brand-name38 claims41%
Dr. Chollet'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: 232024: 50117%
Drugs named by CMS: 3 in 2024, 2 in 2023.
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. Madeleine Blair Chollet offers telehealth to Medicare patients
Dr. Chollet accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chollet as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Madeleine Blair Chollet has 5 publications on record
Dmand AI links 5 papers to Dr. Chollet, published from 2013 to 2021. The most frequent topics are Brain and Image Processing, Computer-Assisted. Dr. Chollet's most frequent co-author is Cem Akin, MD.
Papers5
Years published2013 to 2021
Dr. Chollet's papers by year, 2013 to 2021
Topics Dr. Chollet writes about most
- Brain
- Image Processing, Computer-Assisted
Dr. Chollet's most frequent co-authors
Recent publications by Dr. Chollet
PLoS One
BrainImage Processing, Computer-AssistedImaging, Three-Dimensional
J Child Neurol
BrainCephalometryCleft Lip
Anat Sci Educ
AnatomyDissectionEducational Measurement
Am J Phys Anthropol
AlouattaAnimal FeedCebus
See who Dr. Chollet researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chollet works with, so you can find a warm path to the right allergists and immunologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Madeleine Blair Chollet received $700 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Chollet from 1 drug or device company in 2019. Grants make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $700.
Companies that paid Dr. Chollet the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Madeleine Blair Chollet graduated from WashU Medicine
Dr. Chollet graduated from WashU Medicine in 2015.
- Medical school
- Board certified in allergy & immunology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Madeleine Blair Chollet accepts plans from 11 insurance carriers
Dr. Chollet is in network with 11 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +3 more carriersWith a free account
Plan types Dr. Chollet accepts, by number of carriers
- PPO7
- HMO6
- EPO4
- Medicare4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Madeleine Blair Chollet's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Madeleine Blair Chollet
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. Madeleine Blair Chollet's NPI number?
Dr. Madeleine Blair Chollet's NPI number is 1518351667. It was assigned on March 26, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Madeleine Blair Chollet?
Dr. Madeleine Blair Chollet is an allergist and immunologist in Dublin, California. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Madeleine Blair Chollet practice?
Dr. Chollet practices at 4050 Dublin Blvd., Dublin, CA 94568. Dr. Chollet's primary practice is Dublin Center Imaging in Dublin, California. Dmand AI also links Dr. Chollet to 1 group practice or clinic.
What is Dr. Madeleine Blair Chollet's office phone number?
The practice phone on file for Dr. Chollet is (925) 875-6144.
What is Dr. Madeleine Blair Chollet's medical license number?
Dr. Chollet's California license number on file is A143868, one of the licenses on file in 2 states.
Which states has Dr. Madeleine Blair Chollet been licensed in?
Dmand AI has state licenses on file for Dr. Chollet in California (2016 to 2025) and Michigan (2018 to 2019).
What medical group is Dr. Madeleine Blair Chollet part of?
Dr. Chollet is linked to Palo Alto Foundation Medical Group.
Does Dr. Madeleine Blair Chollet accept Medicare?
Yes. CMS data shows Dr. Chollet billed Medicare for 436 services in 2024, and Dr. Chollet accepts Medicare assignment.
Does Dr. Madeleine Blair Chollet offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chollet as offering telehealth services.
How many Medicare patients does Dr. Madeleine Blair Chollet see?
CMS counts 49 Medicare patients who saw Dr. Chollet in 2024, with an average age of 71.
Show 9 more questionsShow fewer questions
Is Dr. Madeleine Blair Chollet board certified?
Yes. Dr. Chollet is board certified in allergy & immunology by the American Board of Allergy and Immunology.
What services does Dr. Madeleine Blair Chollet bill to Medicare?
In 2024, Dr. Chollet's most billed Medicare services were allergy test or treatment (95004), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Madeleine Blair Chollet go to medical school?
Dr. Chollet graduated from WashU Medicine in 2015.
What drugs does Dr. Madeleine Blair Chollet prescribe most?
In 2024 Medicare Part D data, Dr. Chollet's most prescribed drugs by claims were Dupixent Pen, Azelastine HCl and Ipratropium Bromide.
Has Dr. Madeleine Blair Chollet received payments from drug or device companies?
CMS Open Payments shows $700 in general payments to Dr. Chollet from 1 company from 2019 to 2019. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Madeleine Blair Chollet been practicing?
Dr. Chollet graduated from medical school in 2015, 11 years ago.
Does Dr. Madeleine Blair Chollet do research?
Dmand AI links 5 publications to Dr. Chollet, published from 2013 to 2021.
Who does Dr. Madeleine Blair Chollet publish with?
Dr. Chollet's most frequent co-authors are Cem Akin, MD (1 shared paper).
What insurance does Dr. Madeleine Blair Chollet accept?
Dr. Chollet is in network with 11 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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