Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Amber Haydu, PSY.D.
Psychologist in Vacaville, CA · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1043628092
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Registry record
Entity type Individual (Type 1)
Name Dr. Amber Haydu
Credential PSY.D.
Sex Female
Practice address 2100 Peabody Rd, Vacaville, CA, 95687
Phone (707) 451-0182
Enumeration date Jul 22, 2014
Last updated in NPPES Jun 27, 2022
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License PSY33403 (CA) Primary
PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice.
About the PSYD 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
What specialty is Amber Haydu?
Amber Haydu is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
Browse all → Yuen Chen Internal Medicine Physician · Vacaville, CA NPI 1407925605 Sandra Parroff Clinical Psychologist · Vacaville, CA NPI 1265588453 K Kumar Forensic Psychiatry Physician · Vacaville, CA NPI 1124221940 Jae Park-Lin Dentist · Vacaville, CA NPI 1619151925 Glenn Cheung General Practice Dentistry · Vacaville, CA NPI 1275717357 Brian Leo Family Medicine Physician · Vacaville, CA NPI 1891970745 Elaina Jannell Clinical Psychologist · Vacaville, CA NPI 1386813590 Eliza Thornton Adult Medicine Physician · Vacaville, CA NPI 1255582201
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-27.