Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Carlos R. Defreitas, O.D.

Optometrist in North Dartmouth, MA · enumerated 2005.

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

National Provider Identifier

1336136894

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Registry record

Entity type Individual (Type 1)

Name Carlos R. Defreitas

Credential O.D.

Sex Male

Practice address 500 Faunce Corner Rd, Suite 110, North Dartmouth, MA, 02747

Phone (508) 717-0270

Fax (508) 995-3060

Enumeration date Sep 30, 2005

Last updated in NPPES Jul 8, 2025

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License ODTG00461 (RI) Secondary

152W00000X Optometrist Eye and Vision Services Providers · License 3839 (MA) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
0369969	Medicaid	MA	-
W16157	Other	MA	B/C B/S OF MASS
9007998	Medicaid	RI	-

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.

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Frequently asked questions

What is the NPI number for Carlos Defreitas?

The National Provider Identifier (NPI) for Carlos Defreitas is 1336136894, a Type 1 (individual) record in the CMS NPPES registry.

Where does Carlos Defreitas practice?

The practice location on file with NPPES is in North Dartmouth, MA. 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 2025-07-08.