NPPES file of Aug 9, 2026

Elena Tsoy, PHD

Clinical Neuropsychologist · San Francisco, CA

Elena Tsoy, PHD is a clinical neuropsychologist with a practice address in San Francisco, California, and NPI 1306391875, issued on Aug 24, 2016. Check the license 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
1306391875
Name
Elena Tsoy
Credential
PHD
Primary taxonomy
Clinical Neuropsychologist 103G00000X
Practice location
1651 4TH St Ste 212, San Francisco, CA 94158
Phone
(415) 353-2057
Enumerated
Aug 24, 2016
Record last updated
Aug 12, 2024
Medicare enrollment
Enrolled (PECOS I20241015003268); accepts Medicare assignment
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 1651 4TH St Ste 212

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

  1. Shubir DuttClinical Psychologist1699667584
  2. David Fischer, MD, PHDNeurology Physician1285130328
  3. Tanisha Hill-Jarrett, PH.D.Clinical Neuropsychologist1730748559
  4. Aminah Khan, NPPsychiatric/Mental Health Nurse Practitioner1366205965
  5. Amanda LiClinical Social Worker1396443438
  6. Emily PaolilloClinical Psychologist1639932882

Verify Elena Tsoy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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

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Bills Medicare through one group practice

  1. University OF California San FranciscoSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Elena Tsoy among 743 clinical neuropsychologist records in California

Elena Tsoy, 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 2016, is newer than 72% of them.

  • NPI issued2016 · 72% of these records are older, 23% newer
  • In a Medicare fileYes · 23% of these records are
  • In the CMS Doctors and Clinicians fileYes · 32% of these records are
  • Graduated2018 · median 2011 among the 237 with a school on file
  • Record last updated2024 · 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 San Francisco → Clinical Neuropsychologist nationwide →

The 8 clinical neuropsychologist records with the nearest ZIP codes

  1. Tanisha Hill-Jarrett, PH.D.San Francisco, CA 941581730748559
  2. Rowan SalonerSan Francisco, CA 941581932093689
  3. Melanie StephensSan Francisco, CA 941581457722159
  4. Alexandra Apple, PHDSan Francisco, CA 941431033871207
  5. Caroline Belkoura, PHDSan Francisco, CA 941431427299965
  6. Heather Bornfeld, PH.D.San Francisco, CA 941431477597771
  7. Brandon Kopald, PSY.D.San Francisco, CA 941431154761096
  8. Amanda Lamarre, PHDSan Francisco, CA 941431477817211

Common questions

What is Elena Tsoy, PHD's NPI number?

Elena Tsoy, PHD's National Provider Identifier (NPI) is 1306391875, issued on Aug 24, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Elena Tsoy, PHD located?

The NPPES record lists a practice address at 1651 4TH St Ste 212, San Francisco, CA, 94158. Phone: (415) 353-2057. Providers update this record themselves, so call before visiting.

How can I verify Elena Tsoy, PHD's license?

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.