Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Fabian Cesar Villacis, O.D.
Optometrist in Waterbury, CT · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386939510
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Registry record
Entity type Individual (Type 1)
Name Dr. Fabian Cesar Villacis
Credential O.D.
Sex Male
Practice address 1320 W Main St Ste 3, Waterbury, CT, 06708
Phone (203) 755-4941
Fax (203) 573-8372
Enumeration date Jun 15, 2011
Last updated in NPPES Sep 30, 2019
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 |
|---|---|---|---|
| 004195063 GR# | Medicaid | CT | - |
| 8043102 | 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.
Frequently asked questions
What is the NPI number for Fabian Villacis?
The National Provider Identifier (NPI) for Fabian Villacis is 1386939510, a Type 1 (individual) record in the CMS NPPES registry.
Where does Fabian Villacis practice?
The practice location on file with NPPES is in Waterbury, 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 2019-09-30.