Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Oliver Gysin
Clinical Psychologist in Denver, CO · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1790759843
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Registry record
Entity type Individual (Type 1)
Name Dr. Oliver Gysin
Sex Male
Practice address 1440 Vine St, Briarwood, Denver, CO, 80206
Phone (303) 399-0350
Fax (303) 333-4841
Enumeration date Feb 15, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 1500 (CO) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 07009848 | Medicaid | CO | - |
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 Oliver Gysin practice?
The practice location on file with NPPES is in Denver, CO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Oliver Gysin?
The National Provider Identifier (NPI) for Oliver Gysin is 1790759843, a Type 1 (individual) record in the CMS NPPES registry.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.