DR. KARI C NADEAU (M.D., PH.D.) – Allergy & Immunology (Internal Medicine) Physician, NPI 1871652644

DR. KARI C NADEAU (M.D., PH.D.) is a healthcare provider. based in Brookline, Massachusetts. specializing in PEDIATRIC MEDICINE. They hold the professional credentials M.D., PH.D.. They hold a License No. 154115 (MA). The NPI Number for DR. KARI C NADEAU (M.D., PH.D.) is 1871652644

Main info

Female
31 Years Of Experience
Accepts Medicare Assignment
Name
DR. KARI C NADEAU (M.D., PH.D.)
NPI
1871652644
Phone
(650) 650-8674
Address
20 CHAPEL ST A604
Enumeration Date
8 December 2006
Last Update Date
26 June 2023

Doctor Profile

Medical School Name
HARVARD MEDICAL SCHOOL
Secondary Phone
6177548612
Graduation Year
1995 (31 years ago)
PAC ID
0941303416
Group Practice PAC ID
4486567104
Professional Enrollment ID
I20230629002024
Address ID
MA022155400BO330XXAVEX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

1,262 PEDIATRIC MEDICINE in MA

Provider Addresses for DR. KARI C NADEAU (M.D., PH.D.)

  • 20 CHAPEL ST A604

    BROOKLINE, MA 02446

    Phone: (650) 650-8674

    Type: Mailing

  • 110 FRANCIS ST. SUITE GB

    BOSTON, MA 02215

    Phone: (617) 632-7706

    Type: Location

  • Stanford Hospital, 300, Pasteur Drive, Stanford, Palo Alto, Santa Clara County, California, 94305, United States

    STANFORD, CA 94305

    Phone: (650) 867-4592

    Type: Location

  • 27957, Via Ventana Way, Los Altos Hills, Santa Clara County, California, 94022, United States

    LOS ALTOS HILLS, CA 940223224

    Phone: (650) 949-1934

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 7 Open Payments records for all available years, with a total value of $3,604.

Total Amount is formed as General ($3,063) + Research ($541) + Ownership ($0) = $3,604.

Last reported payment date: 2024-12-01 • Largest payer in this snapshot: kaleo, Inc. ($2,113).

Total Amount

$3,604

General + Research + Ownership

Payments

7

Total payment records

General Amount

$3,063

General payments

Research Amount

$541

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-01

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2023-06-29

PECOS data refreshed: 2026-06-15

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20070321000591IAllergy/ImmunologyCATBD
I20230629002024IPediatric MedicineMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 02446)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4486567104View full group profile

Reviews

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Frequently asked questions

What NPI should I save for DR. KARI C NADEAU (M.D., PH.D.)?
Save NPI 1871652644 if you need a stable reference for DR. KARI C NADEAU (M.D., PH.D.).
Is DR. KARI C NADEAU (M.D., PH.D.) active in the national directory?
DR. KARI C NADEAU (M.D., PH.D.)'s public NPI profile is in an active state.
What field does DR. KARI C NADEAU (M.D., PH.D.) work in?
You can think of DR. KARI C NADEAU (M.D., PH.D.) as practicing within Allergy & Immunology (Internal Medicine) Physician. Clinical services aligned with this taxonomy classification.
Where is DR. KARI C NADEAU (M.D., PH.D.)'s primary listing?
We display Brookline, Massachusetts because that is what the record indicates for DR. KARI C NADEAU (M.D., PH.D.).
Is DR. KARI C NADEAU (M.D., PH.D.) a real provider?
This page reflects official NPPES data for NPI 1871652644. Always confirm identity and privileges with the practice and licensing boards.

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