DR. ELIZABETH CASSANOS PH.D.
NPI 1992123905
Psychologist in Santa Rosa, CA

Active since April 07, 2014PECOS EnrolledAccepts Medicare Assignment
1144 SONOMA AVE, SANTA ROSA, CA 95405(707) 799-3825 Get Directions Write a Review

NPPES record last updated: March 26, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Elizabeth Cassanos Ph.d. NPPES

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

DR. ELIZABETH CASSANOS PH.D. (NPI 1992123905) is an individual psychologist in Santa Rosa, California, licensed in California (26317) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1992123905
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. ELIZABETH CASSANOSCredential: PH.D.
Location Address1144 SONOMA AVESanta Rosa, CA 95405-4812
Mailing Address2408 Forse LnSanta Rosa, CA 95404-7807 · (707) 799-3825
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateApril 7, 2014
Last NPPES UpdateMarch 26, 2015
✔ NPI 1992123905 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 · 26317
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.
1144 SONOMA AVE, Santa Rosa, CA 95405

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Elizabeth Cassanos Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466676804
PECOS Enrollment IDI20140605000283
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 Elizabeth Cassanos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical
1144 SONOMA AVE STE 104
Santa Rosa, CA 95405
  • Reassigned Medicare billing, California enrollment

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
708 services32 patients

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.

Orthopaedic Surgery
1144 SONOMA AVE, SUITE 121
SANTA ROSA, CA 95405
Psychologist (Clinical)
1144 SONOMA AVE, STE 104
SANTA ROSA, CA 95405
Physical Medicine & Rehabilitation
1144 SONOMA AVE, SUITE 115
SANTA ROSA, CA 95405
Marriage & Family Therapist
1144 SONOMA AVE, SUITE 117
SANTA ROSA, CA 95405
Marriage & Family Therapist
1144 SONOMA AVE, SUITE 117
SANTA ROSA, CA 95405
Pediatrics
1144 SONOMA AVE, 113
SANTA ROSA, CA 95405
Psychologist (Clinical)
1144 SONOMA AVE, STUITE 117
SANTA ROSA, CA 95405
Dentist
1144 SONOMA AVE, SUITE 105
SANTA ROSA, CA 95405

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 Elizabeth Cassanos's NPI number?

The NPI number for Elizabeth Cassanos is 1992123905. It was assigned to this individual provider in the NPPES registry on April 7, 2014.

Where is Elizabeth Cassanos located?

Elizabeth Cassanos practices at 1144 Sonoma Ave, Santa Rosa, CA 95405. The listed phone number is (707) 799-3825.

What is Elizabeth Cassanos's specialty?

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

Is Elizabeth Cassanos enrolled in Medicare?

Yes. Elizabeth Cassanos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Elizabeth Cassanos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Cassanos reassigns Medicare benefits to Transformational Psychology Inc (Santa Rosa, 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 Elizabeth Cassanos'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 Elizabeth Cassanos was last updated on March 26, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.