NPPES file of Aug 9, 2026

Luisa Ladd, PSY.D.

Clinical Psychologist · Stanford, CA

Luisa Ladd, PSY.D. is a clinical psychologist with a practice address in Stanford, California, and NPI 1881172351, issued on Aug 6, 2018. Check the license (California PSY28579, 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
1881172351
Name
Luisa Ladd
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY28579 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Aug 6, 2018
Record last updated
Aug 1, 2025
Medicare enrollment
Enrolled (PECOS I20190429001839); 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 psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 300 Pasteur Dr

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

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  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
  5. Fahim Abbasi, M.D.Internal Medicine Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Luisa Ladd 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 PSY28579    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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One hospital affiliation

  1. Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Luisa Ladd among 12,647 clinical psychologist records in California

Luisa Ladd, PSY.D. is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.

  • NPI issued2018 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2015 · median 2006 among the 2,424 with a school on file
  • Record last updated2025 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

86 clinical psychologist records list a practice address in Stanford

They are 86 of the 5,606 NPPES records with a practice address in Stanford, and 12,647 clinical psychologist records in California.

All 12,647 in California → Every provider in Stanford → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Margaret Boyer, PHDStanford, CA 943051760592240
  2. Naomi Brown, PH.D.Stanford, CA 943051740403823
  3. Flint Espil, PHDPalo Alto, CA 943051235308883
  4. Debra Kaysen, PHDStanford, CA 943051073698882
  5. Jennifer Keller, PHDStanford, CA 943051366587388
  6. Oliver Lin, PH.D.Stanford, CA 943051861656944
  7. Kristine Luce, PHDStanford, CA 943051821141243
  8. Rachel Manber, PHDStanford, CA 943051720120751

Common questions

What is Luisa Ladd, PSY.D.'s NPI number?

Luisa Ladd, PSY.D.'s National Provider Identifier (NPI) is 1881172351, issued on Aug 6, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Luisa Ladd, PSY.D. located?

The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.

How can I verify Luisa Ladd, PSY.D.'s license?

NPPES lists California license number PSY28579, 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.