Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CATHERINE ANN CHAPIN MD
NPI 1942595129
Pediatrics - Pediatric Transplant Hepatology in Chicago, IL

Active since June 15, 2011PECOS Enrolled
ANN & ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO, 225 E. CHICAGO AVE, CHICAGO, IL 60611(312) 227-4200 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 4, 2026, May 10, 2018 (2 updates tracked since 2018).

About Catherine Ann Chapin Md NPPES

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

CATHERINE ANN CHAPIN MD (NPI 1942595129) is an individual pediatric transplant hepatology provider in Chicago, Illinois, licensed in Illinois (036134853) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942595129
Entity TypeIndividualFemale
Primary Taxonomy2080T0004X
Provider Legal NameCATHERINE ANN CHAPINCredential: MD
Location AddressANN & ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO, 225 E. CHICAGO AVEChicago, IL 60611
Mailing Address225 E Chicago AveChicago, IL 60611-2991 · (312) 227-4200
Sole ProprietorNo
Enumeration DateJune 15, 2011
Last NPPES UpdateAugust 4, 20262 updates tracked since enumeration
NPPES CertifiedAugust 4, 2026
NPI 1942595129 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPediatrics · Pediatric Transplant HepatologyAllopathic & Osteopathic Physicians
Taxonomy Code2080T0004X
License Licensed in IL · 036134853
Definition
A pediatrician with expertise in transplant hepatology encompasses the special knowledge and skill required of pediatric gastroenterologists to care for patients prior to and following hepatic transplantation; it spans all phases of liver transplantation.
Also ListedPediatricsTaxonomy 208000000X · License L-248411 (MA)
Also ListedPediatrics · Pediatric GastroenterologyTaxonomy 2080P0206X · License 036134853 (IL)
ANN & ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO, Chicago, IL 60611

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Catherine Ann Chapin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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 Catherine Chapin's NPI number?

The NPI number for Catherine Chapin is 1942595129. It was assigned to this individual provider in the NPPES registry on June 15, 2011.

Where is Catherine Chapin located?

Catherine Chapin practices at Ann & Robert H. Lurie Children's Hospital Of Chicago 225 E. Chicago Ave, Chicago, IL 60611. The listed phone number is (312) 227-4200.

What is Catherine Chapin's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Transplant Hepatology, with taxonomy code 2080T0004X.

Is Catherine Chapin enrolled in Medicare?

Yes. Catherine Chapin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Catherine Chapin was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.