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DR. MADELEINE BLAIR CHOLLET M.D., PH.D.
NPI 1518351667
Allergy & Immunology in Saint Paul, MN

Active since March 26, 2015PECOS EnrolledAccepts Medicare Assignment
565 SNELLING AVE S, SAINT PAUL, MN 55116(651) 698-0386(651) 698-0483 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 12, 2026, May 20, 2021, Oct 12, 2018 (3 updates tracked since 2018).

About Dr. Madeleine Blair Chollet M.d., Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MADELEINE BLAIR CHOLLET M.D., PH.D. (NPI 1518351667) is an individual allergy & immunology provider in Saint Paul, Minnesota, licensed in Minnesota (81889) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1518351667
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameDR. MADELEINE BLAIR CHOLLETCredential: M.D., PH.D.
Location Address565 SNELLING AVE SSaint Paul, MN 55116-1525
Mailing Address565 Snelling Ave SSaint Paul, MN 55116-1525 · (651) 698-0386 · Fax (651) 698-0483
Phone(651) 698-0386
Fax(651) 698-0483
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 26, 2015
Last NPPES UpdateAugust 12, 20263 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
✔ NPI 1518351667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in MN · 81889
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
565 SNELLING AVE S, Saint Paul, MN 55116
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Secondary Practice Locations 2

Location 1650 Commerce Dr Ste 165Woodbury, MN 55125-3058 · Phone (651) 698-0386
Location 24535 Hodgson Rd Ste 500Shoreview, MN 55126-1954 · Phone (651) 698-0386

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Madeleine Blair Chollet M.d., Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315346202
PECOS Enrollment IDI20210526000769
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Madeleine Chollet reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation
1,518 mi
Multi-Specialty
1315 ALHAMBRA BLVD STE 210
Sacramento, CA 95816
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
NPI 1003267196 (916) 732-4380

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
399 services12 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
23 services21 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
14 services13 patients

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHN GEOFFREY WAHLSTROM M.D.
Allergy & Immunology
565 SNELLING AVE S
SAINT PAUL, MN 55116
Ramsey County (651) 698-0386
DR. NILADRI AICHBHAUMIK MD
Allergy & Immunology
565 SNELLING AVE S
SAINT PAUL, MN 55116
Ramsey County (651) 698-0386
TAE YONG CHANG
Allergy & Immunology (Allergy)
565 SNELLING AVE S
SAINT PAUL, MN 55116
Ramsey County (651) 698-0386
DR. NICOLE M CHASE MD
Allergy & Immunology
565 SNELLING AVE S
SAINT PAUL, MN 55116
Ramsey County (651) 698-0386
BENJAMIN LEE HAMEL MD
Pediatrics
565 SNELLING AVE S
SAINT PAUL, MN 55116
Ramsey County (651) 698-0836
DR. GARY RICHARD GELLER M.D.
Allergy & Immunology
565 SNELLING AVE S
SAINT PAUL, MN 55116
Ramsey County (651) 698-0386
MICAH KARASOV D.O.
Allergy & Immunology
565 SNELLING AVE S
SAINT PAUL, MN 55116
Ramsey County (651) 698-0386
ST PAUL ALLERGY & ASTHMA CLINIC P.A.
Allergy & Immunology
565 SNELLING AVE S
SAINT PAUL, MN 55116
Ramsey County (651) 698-0386

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Madeleine Chollet's NPI number?

The NPI number for Madeleine Chollet is 1518351667. It was assigned to this individual provider in the NPPES registry on March 26, 2015.

Where is Madeleine Chollet located?

Madeleine Chollet practices at 565 Snelling Ave S, Saint Paul, MN 55116. The listed phone number is (651) 698-0386.

What is Madeleine Chollet's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Madeleine Chollet enrolled in Medicare?

Yes. Madeleine Chollet is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Madeleine Chollet's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Madeleine Chollet reassigns Medicare benefits to Sutter Bay Medical Foundation (Sacramento, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Madeleine Chollet's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Madeleine Chollet accept?

Health plans from HealthPartners and Medica list Madeleine Chollet as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Madeleine Chollet was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.