MR. DONALD B DUFFORD PHD
NPI 1013922400
Psychologist - Clinical in San Jose, CA
About Mr. Donald B Dufford Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. DONALD B DUFFORD PHD (NPI 1013922400) is an individual clinical provider in San Jose, California, licensed in California (PSY13444) and active in the NPI registry since July 2006. He has opted out of Medicare through July 1, 2027 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Mr. Donald B Dufford Phd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2013 through July 1, 2027.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN JOSE, CA 95124
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Donald Dufford's NPI number?
The NPI number for Donald Dufford is 1013922400. It was assigned to this individual provider in the NPPES registry on July 31, 2006.
Where is Donald Dufford located?
Donald Dufford practices at 3880 S Bascom Ave Suite 212, San Jose, CA 95124. The listed phone number is (408) 559-9088.
What is Donald Dufford's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Donald Dufford enrolled in Medicare?
No. Donald Dufford has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
When was this NPI record last updated?
The NPPES record for Donald Dufford was last updated on June 14, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.