Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Charles E Littlejohn, MD

Colon & Rectal Surgery Physician in Stamford, CT · enumerated 2006.

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

National Provider Identifier

1750392924

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Registry record

Entity type Individual (Type 1)

Name Dr. Charles E Littlejohn

Credential MD

Sex Male

Practice address 29 Hospital Plaza, Suite 604, Stamford, CT, 06902

Phone (203) 323-8989

Fax (203) 975-9904

Enumeration date Aug 11, 2006

Last updated in NPPES Jan 13, 2017

Taxonomy & licenses

208C00000X Colon & Rectal Surgery Physician Allopathic & Osteopathic Physicians · License 025361 (CT) Primary

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

What is the NPI number for Charles Littlejohn?

The National Provider Identifier (NPI) for Charles Littlejohn is 1750392924, a Type 1 (individual) record in the CMS NPPES registry.

Where does Charles Littlejohn practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-13.