Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christine Cassandra Colton, MD

Diagnostic Radiology Physician in New Haven, CT · enumerated 2005.

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

National Provider Identifier

1942287396

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Registry record

Entity type Individual (Type 1)

Name Christine Cassandra Colton

Credential MD

Sex Female

Practice address 55 Lock Street, New Haven, CT, 06520

Phone (203) 432-0076

Fax (203) 432-7289

Enumeration date Dec 28, 2005

Last updated in NPPES Feb 25, 2011

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 042699 (CT) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
001426990	Medicaid	CT	-

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

What is the NPI number for Christine Colton?

The National Provider Identifier (NPI) for Christine Colton is 1942287396, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christine Colton practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-02-25.