NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

John Farens, MD

Internal Medicine Physician in Shelton, CT · enumerated 2006.

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

National Provider Identifier

1427133354

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name John Farens
Credential MD
Sex Male
Practice address Shelton, CT, 06484
Phone (203) 926-1206
Fax (203) 926-0413
Enumeration date Oct 26, 2006
Last updated in NPPES Jan 5, 2011

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 028528 (CT) Primary
207RG0300X Geriatric Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 028528 (CT) Secondary
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
1285289 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 John Farens?
The National Provider Identifier (NPI) for John Farens is 1427133354, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Farens practice?
The practice location on file with NPPES is in Shelton, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-01-05.