Jillian Tessier, PHD

Psychologist

Jillian Tessier is a Psychologist based in Mill Valley, CA with over 5 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(415) 877-4408Mill Valley, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Jillian Tessier, PHD runs an independent psychologist practice in Mill Valley, CA. Among her Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).

1 of 431 Psychologist providers in CASee all Psychologist in Mill Valley5+ years experienceNPI since 2023

Older · 1046dNPPES updated 2023-07-12 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

100 Shoreline Hwy Building B, Suite 100, Mill Valley, CA 94941

CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

33

Unique beneficiaries

Boutique practice

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Hypertension
61%

High blood pressure — a leading risk factor for heart disease and stroke

Arthritis
58%

Joint inflammation causing pain, swelling, and stiffness

Depression
33%

A mood disorder causing persistent sadness and loss of interest in activities

Mood Disorders
33%

Conditions affecting emotional state, including depression and bipolar disorder

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Patient Reviews

No patient reviews yet. If you've seen Jillian Tessier, your feedback helps other patients.

Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →

Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Board certified · Jun 1, 2023

    Self-reported via NPPES

  2. 5 years in practice

    Established

PsychologistBehavioral Health & Social Service Providers

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.

Taxonomy: 103T00000X

Virtual Psychology Care With Jillian Tessier

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Jillian Tessier for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Mill Valley required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Jillian Tessier

NPI records show Dr. Tessier as active with telehealth listed in Mill Valley, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (415) 877-4408.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.

Is this your profile?

Verify credentials, update practice details, and manage telehealth.

Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

Related Providers

Psychologist in California

See all