DR. KRISTIE JAGHAB TREFTZ
NPI 1952585416
Psychologist in San Jose, CA

Active since December 19, 2007PECOS Enrolled
1888 MERIDIAN AVE, SUITE 150, SAN JOSE, CA 95125(408) 445-8172(408) 266-6614 Get Directions Write a Review

NPPES record last updated: June 6, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 6, 2025, Sep 26, 2024 (2 updates tracked since 2024).

About Dr. Kristie Jaghab Treftz NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KRISTIE JAGHAB TREFTZ (NPI 1952585416) is an individual psychologist in San Jose, California, licensed in California (PSY21655) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1952585416
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. KRISTIE JAGHAB TREFTZ
Location Address1888 MERIDIAN AVE, SUITE 150San Jose, CA 95125
Mailing Address1333 Meridian AveSan Jose, CA 95125-5212 · (408) 445-3400 · Fax (408) 350-2411
Fax(408) 266-6614
Sole ProprietorNo
Enumeration DateDecember 19, 2007
Last NPPES UpdateJune 6, 20252 updates tracked since enumeration
NPPES CertifiedJune 6, 2025
✔ NPI 1952585416 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in CA · PSY21655
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
1888 MERIDIAN AVE, San Jose, CA 95125

Secondary Practice Locations 4

Location 11333 Meridian AveSan Jose, CA 95125-5212 · Phone (408) 445-3400 ext. 320 · Fax (408) 350-2411
Location 2455 OConnor Dr Ste 200San Jose, CA 95128-1632 · Phone (408) 283-7676
Location 32039 Forest Ave Ste 105San Jose, CA 95128-4815 · Phone (408) 947-2929
Location 41642 E Capitol ExpySan Jose, CA 95121-1800 · Phone (408) 283-7676

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kristie Jaghab Treftz is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Kristie Treftz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
1333 MERIDIAN AVE
San Jose, CA 95125
  • Reassigned Medicare billing, California enrollment
  • 66 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Kristie Treftz's NPI number?

The NPI number for Kristie Treftz is 1952585416. It was assigned to this individual provider in the NPPES registry on December 19, 2007.

Where is Kristie Treftz located?

Kristie Treftz practices at 1888 Meridian Ave Suite 150, San Jose, CA 95125. The listed phone number is (408) 445-8172.

What is Kristie Treftz's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Kristie Treftz enrolled in Medicare?

Yes. Kristie Treftz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kristie Treftz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristie Treftz reassigns Medicare benefits to Indian Health Center Of Santa Clara Valley (San Jose, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kristie Treftz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kristie Treftz was last updated on June 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.