NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Verlinden, DDS, MD

Oral & Maxillofacial Surgery (D.M.D.) in San Francisco, CA · enumerated 2015.

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

National Provider Identifier

1194112060

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name William Verlinden
Credential DDS, MD
Sex Male
Practice address 707 Parnassus Ave # D1201, San Francisco, CA, 94143
Phone (415) 476-1316
Enumeration date Apr 18, 2015
Last updated in NPPES Jan 28, 2025

Taxonomy & licenses

1223S0112X Oral and Maxillofacial Surgery (Dentist) Dental Providers · License DDS65003 (CA) Secondary
204E00000X Oral & Maxillofacial Surgery (D.M.D.) Allopathic & Osteopathic Physicians · License A165493 (CA) Primary
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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 William Verlinden?
The National Provider Identifier (NPI) for William Verlinden is 1194112060, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Verlinden practice?
The practice location on file with NPPES is in San Francisco, CA. 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 2025-01-28.