NPPES file of Aug 9, 2026

Sarah Clark, PHD

Clinical Neuropsychologist · Mill Valley, CA

Sarah Clark, PHD is a clinical neuropsychologist with a practice address in Mill Valley, California, and NPI 1356026470, issued on Jun 16, 2023. Check the license (California PSY34115, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356026470
Name
Sarah Clark
Credential
PHD
Primary taxonomy
Clinical Neuropsychologist 103G00000X
License number
PSY34115 CA
Self-reported in NPPES; status is on the state search
Practice location
100 Shoreline Highway, Mill Valley, CA 94941
Phone
(415) 877-4408
Enumerated
Jun 16, 2023
Record last updated
Jun 16, 2023
Medicare enrollment
Enrolled (PECOS I20230824002377); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical neuropsychologist records → All 743 in California → Look up another NPI →

Also registered at 100 Shoreline Highway

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brooke Bennis, D.O.Physical Medicine & Rehabilitation Physician1811169683
  2. Thomas Lowe, M.D.Psychiatry Physician1851300107
  3. Maria Marian, NDNaturopath1841709052
  4. Harris Masket, M.D.Sports Medicine (Internal Medicine) Physician1801921218
  5. Beth McDougall, M.D.General Practice Physician1386710218

Verify Sarah Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PSY34115    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. 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).

Sarah Clark among 743 clinical neuropsychologist records in California

Sarah Clark, PHD is one of 743 clinical neuropsychologist records with a practice address in California. 23% 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 92% of them.

  • NPI issued2023 · 92% of these records are older, 6% newer
  • In a Medicare fileYes · 23% of these records are
  • In the CMS Doctors and Clinicians fileYes · 32% of these records are
  • Graduated2021 · median 2011 among the 237 with a school on file
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Neuropsychologist providers in California

There are 743 clinical neuropsychologist records in California.

All 743 in California → Every provider in Mill Valley → Clinical Neuropsychologist nationwide →

The 8 clinical neuropsychologist records with the nearest ZIP codes

  1. Anh Ha, PHDMill Valley, CA 949411144907775
  2. Ernest Bryant, PHDCorte Madera, CA 949251669502183
  3. Mary Cunningham-Bryant, PH.D.Corte Madera, CA 949251194929042
  4. Ellen Krantz, PH.D.Corte Madera, CA 949251265640452
  5. Laura Natta, PH.D.Sausalito, CA 949651265985873
  6. Beth Cook, PH.D.Kentfield, CA 949041780727495
  7. Diane Engelman, PH.D.Kentfield, CA 949041437440476
  8. Stephen Drew, PH.D.San Rafael, CA 949031255465266

Common questions

What is Sarah Clark, PHD's NPI number?

Sarah Clark, PHD's National Provider Identifier (NPI) is 1356026470, issued on Jun 16, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Clark, PHD located?

The NPPES record lists a practice address at 100 Shoreline Highway, Mill Valley, CA, 94941. Phone: (415) 877-4408. Providers update this record themselves, so call before visiting.

How can I verify Sarah Clark, PHD's license?

NPPES lists California license number PSY34115, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.