Doctor profile · Federal record

Dr. Jillian Tessier, PHD

Psychologist (CMS: Clinical Psychologist) · Mill Valley, CA

  • NPI 1093494544
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Shoreline Hwy, Building B, Suite 100
Mill Valley, CA 94941
(415) 877-4408

Credentials & registration

NPPES · NUCC
NPI registered
July 2023 — 3 yrs on file
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
103T00000X — NUCC code
State license (1)
California #PSY34187

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093494544. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
379
Distinct HCPCS
5
Medicare allowed
$35,665
HCPCS Description Services Patients Avg allowed
96133 Evaluation of neuropsychological test, each additional hour 162 27 $114
96137 Administration of psychological or neuropsychological test, each additional 30 minutes 136 27 $48
90791 Psychiatric diagnostic evaluation 27 27 $196
96132 Evaluation of neuropsychological test, first hour 27 27 $148
96136 Administration of psychological or neuropsychological test, first 30 minutes 27 27 $52

In context: peer comparison

Among 1 peers in this city , average services per provider: 75. This provider delivers 5.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Jillian Tessier's medical specialty?
Dr. Jillian Tessier practices Psychologist in Mill Valley, CA.
Where does Dr. Jillian Tessier practice?
Dr. Jillian Tessier practices at 100 Shoreline Hwy, Mill Valley, CA 94941. Office phone: 4158774408.
What is Dr. Jillian Tessier's NPI?
Dr. Jillian Tessier's National Provider Identifier (NPI) is 1093494544, issued by NPPES.
Does Dr. Jillian Tessier accept Medicare assignment?
Yes. Dr. Jillian Tessier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jillian Tessier commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of neuropsychological test, each additional hour (HCPCS 96133); Administration of psychological or neuropsychological test (HCPCS 96137); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.