CATHERINE A. CHAPIN (MD) – Pediatric Transplant Hepatology Physician, NPI 1942595129

CATHERINE A. CHAPIN (MD) is a healthcare provider. based in Chicago, Illinois. specializing in PEDIATRIC MEDICINE, GASTROENTEROLOGY. They hold the professional credentials MD. They hold a License No. L-248411 (MA). The NPI Number for CATHERINE A. CHAPIN (MD) is 1942595129

Main info

Female
15 Years Of Experience
Accepts Medicare Assignment
Name
CATHERINE A. CHAPIN (MD)
NPI
1942595129
Phone
(312) 227-4200
Address
ANN & ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO
Enumeration Date
15 June 2011
Last Update Date
15 October 2025

Doctor Profile

Medical School Name
BOSTON UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
3122276415
Graduation Year
2011 (15 years ago)
PAC ID
1254599871
Group Practice PAC ID
4789597279
Professional Enrollment ID
I20190807003112
Address ID
IL606112991CH225XXAVEX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience71
Completeness85
Years active:14State licenses:2Digital endpointsOther names

1,159 PEDIATRIC MEDICINE in IL

Provider Addresses for CATHERINE A. CHAPIN (MD)

  • ANN & ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO

    225 E. CHICAGO AVE BOX 65

    CHICAGO, IL 60611

    Phone: (312) 227-4200

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 3 Open Payments records for all available years, with a total value of $7,140.

Total Amount is formed as General ($7,140) + Research ($0) + Ownership ($0) = $7,140.

Last reported payment date: 2024-05-23 • Largest payer in this snapshot: GENZYME CORPORATION ($4,290).

Total Amount

$7,140

General + Research + Ownership

Payments

3

Total payment records

General Amount

$7,140

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-05-23

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: 2019-08-07

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

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
I20190807003112IPediatric MedicineILTBD

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 60611)

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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: 4789597279View full group profile
NameSpecialtyState
Pulmonary Disease, Critical Care (Intensivists)IL
Pediatric Medicine, Cardiovascular Disease (Cardiology)IL
Pediatric Medicine, Cardiovascular Disease (Cardiology)IL
-IL
-IL
-IL
-IL
-IL
-IL
-IL

Reviews

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Frequently asked questions

What is the standard ID for CATHERINE A. CHAPIN (MD) in the U.S.?
In the U.S., CATHERINE A. CHAPIN (MD) is identified by NPI 1942595129.
Is CATHERINE A. CHAPIN (MD)'s NPI status active today?
Active status means CATHERINE A. CHAPIN (MD)'s NPI record is not deactivated in the public file.
What does the directory say CATHERINE A. CHAPIN (MD) does?
Insurance directories may phrase it differently, but here CATHERINE A. CHAPIN (MD) maps to Pediatric Transplant Hepatology Physician. Clinical services aligned with this taxonomy classification.
What city is tied to CATHERINE A. CHAPIN (MD)?
The directory associates CATHERINE A. CHAPIN (MD) with Chicago, Illinois. Check all listed addresses for suites or satellite offices.
Why is information missing for CATHERINE A. CHAPIN (MD)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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