Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. William P Freitas, OD
Optometrist in Woonsocket, RI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1477575249
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Registry record
Entity type Individual (Type 1)
Name Dr. William P Freitas
Credential OD
Sex Male
Practice address 2345 Mendon Rd, Atlantic Family Eye Care, Woonsocket, RI, 02895
Phone (401) 765-5430
Fax (401) 765-8175
Enumeration date Jul 24, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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 |
|---|---|---|---|
| 7008733 | 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.
Frequently asked questions
Where does William Freitas practice?
The practice location on file with NPPES is in Woonsocket, RI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Freitas?
The National Provider Identifier (NPI) for William Freitas is 1477575249, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Carl Dirobbio Orthopaedic Surgery Physician · Woonsocket, RI NPI 1205817103 Brian Kiley Optometrist · Woonsocket, RI NPI 1225055759 Atlantic Family Eye Care Inc Optometrist · Woonsocket, RI NPI 1184769010 Carl C. Dirobbio, MD Orthopaedic Surgery Physician · Woonsocket, RI NPI 1083886501 Anna Spitserev Optometrist · Woonsocket, RI NPI 1891122859 Nicole Patricio Optometrist · Woonsocket, RI NPI 1912458530 Salt & Light Behavioral Health & Wellness LLC Psychiatric/Mental Health Nurse Practitioner · Woonsocket, RI NPI 1396443164
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.