DIANE EHRENSAFT PHD
NPI 1770782591
Psychologist in Oakland, CA

Active since July 12, 2007
445 BELLEVUE AVENUE, SUITE 302, OAKLAND, CA 94610(510) 547-4147 Get Directions Write a Review

NPPES record last updated: July 12, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Diane Ehrensaft Phd NPPES

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

DIANE EHRENSAFT PHD (NPI 1770782591) is an individual psychologist in Oakland, California, licensed in California (PSY7342) and active in the NPI registry since July 2007.

NPPES Registry Identity

NPI1770782591
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDIANE EHRENSAFTCredential: PHD
Location Address445 BELLEVUE AVENUE, SUITE 302Oakland, CA 94610
Mailing Address445 Bellevue Avenue, Suite 302Oakland, CA 94610
Sole ProprietorYes
Enumeration DateJuly 12, 2007
✔ NPI 1770782591 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 · PSY7342
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.
445 BELLEVUE AVENUE, Oakland, CA 94610

Other Identifiers 1

Medicare PINOOPL73420CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diane Ehrensaft Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

3

Medicare enrollment records show Diane Ehrensaft reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 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.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Marriage & Family Therapist
445 BELLEVUE AVENUE, STE 103
OAKLAND, CA 94610

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 Diane Ehrensaft's NPI number?

The NPI number for Diane Ehrensaft is 1770782591. It was assigned to this individual provider in the NPPES registry on July 12, 2007.

Where is Diane Ehrensaft located?

Diane Ehrensaft practices at 445 Bellevue Avenue Suite 302, Oakland, CA 94610. The listed phone number is (510) 547-4147.

What is Diane Ehrensaft's specialty?

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

Is Diane Ehrensaft enrolled in Medicare?

Yes. Diane Ehrensaft is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Diane Ehrensaft's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diane Ehrensaft reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Pediatrics Associates (San Francisco, CA). Each 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 Diane Ehrensaft'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 Diane Ehrensaft was last updated on July 12, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.