Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Derrick Willsey, M.D.
Specialist in Santa Barbara, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659407963
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Registry record
Entity type Individual (Type 1)
Name Derrick Willsey
Credential M.D.
Sex Male
Practice address 514 W Pueblo St, Second Floor, Santa Barbara, CA, 93105
Phone (805) 682-7751
Fax (805) 563-2527
Enumeration date Feb 23, 2007
Last updated in NPPES Jul 9, 2007
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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.
Frequently asked questions
Where does Derrick Willsey practice?
The practice location on file with NPPES is in Santa Barbara, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Derrick Willsey?
The National Provider Identifier (NPI) for Derrick Willsey is 1659407963, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Zed Reagan Anesthesiology Physician · Santa Barbara, CA NPI 1508803495 Jason Campagna Anesthesiology Physician · Santa Barbara, CA NPI 1467499103 Gareld Anderson Anesthesiology Physician · Santa Barbara, CA NPI 1114073145 Douglas Etsell Anesthesiology Physician · Santa Barbara, CA NPI 1437205580 Stephen Gordon Specialist · Santa Barbara, CA NPI 1235272881 Michael Cox Anesthesiology Physician · Santa Barbara, CA NPI 1033252648 Bruce Goetting Anesthesiology Physician · Santa Barbara, CA NPI 1306989934 William Hazard Specialist · Santa Barbara, CA NPI 1578606133
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.