Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Catherine Ann Chakar-Iyengar, CRNA

Certified Registered Nurse Anesthetist in Hartford, CT · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1003971375

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Registry record

Entity type Individual (Type 1)

Name Catherine Ann Chakar-Iyengar

Credential CRNA

Sex Female

Practice address 114 Woodland St, Woodland Anesthesiology Associates PC, Hartford, CT, 06105

Phone (860) 614-6654

Fax (860) 714-8110

Enumeration date Dec 26, 2006

Last updated in NPPES Aug 23, 2007

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 2475 (CA) Primary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Catherine Chakar-Iyengar practice?

The practice location on file with NPPES is in Hartford, CT. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Catherine Chakar-Iyengar?

The National Provider Identifier (NPI) for Catherine Chakar-Iyengar is 1003971375, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-23.