Jillian Tessier, PHD
Psychologist · Mill Valley, CA
Jillian Tessier, PHD is a psychologist with a practice address in Mill Valley, California, and NPI 1093494544, issued on Jul 12, 2023. Check the license (California PSY34187, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jillian Tessier
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY34187 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Shoreline Hwy, Mill Valley, CA 94941
- Phone
- (415) 877-4408
- Enumerated
- Jul 12, 2023
- Record last updated
- Jul 12, 2023
- Medicare enrollment
- Enrolled (PECOS I20230807002361); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Also registered at 100 Shoreline Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Kiely, PH.D.Clinical Psychologist1194882886
Verify Jillian Tessier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY34187Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Kandm Neuropsychology, A Psychology CorporationMill Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jillian Tessier among 7,304 psychologist records in California
Jillian Tessier, PHD is one of 7,304 psychologist records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 89% of them.
- NPI issued2023 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated2021 · median 2005 among the 1,058 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 psychologist records list a practice address in Mill Valley
They are 23 of the 653 NPPES records with a practice address in Mill Valley, and 7,304 psychologist records in California.
All 7,304 in California → Every provider in Mill Valley → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Chastain Attkisson, PH.D.Mill Valley, CA 949411164649125
- Ann Bernhardt, PHDMill Valley, CA 949411194890871
- Nancy Case, PHDMill Valley, CA 949411629051271
- Jay Earley, PHDMill Valley, CA 949411932302270
- Carol Fetterman, PSYCHOLOGISTMill Valley, CA 949411831240597
- Joanie Gillispie, PH.DMill Valley, CA 949411053469437
- Deborah Kamins, PH.D.Mill Valley, CA 949411215008750
- Jonathan Mahrer, PH.D.Mill Valley, CA 949411053341677
Common questions
What is Jillian Tessier, PHD's NPI number?
Jillian Tessier, PHD's National Provider Identifier (NPI) is 1093494544, issued on Jul 12, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Jillian Tessier, PHD located?
The NPPES record lists a practice address at 100 Shoreline Hwy, Mill Valley, CA, 94941. Phone: (415) 877-4408. Providers update this record themselves, so call before visiting.
How can I verify Jillian Tessier, PHD's license?
NPPES lists California license number PSY34187, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.