Kan Tiffany Long, PHD
Clinical Psychologist · Stanford, CA
Kan Tiffany Long, PHD is a clinical psychologist with a practice address in Stanford, California, and NPI 1255617304, issued on Nov 2, 2011. Check the license (California 33121, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kan Tiffany Long
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 33121 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Nov 2, 2011
- Record last updated
- Apr 30, 2024
- Entity
- Type 1 · individual
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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Verify Kan Tiffany Long in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 33121Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Kan Tiffany Long among 12,647 clinical psychologist records in California
Kan Tiffany Long, PHD 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 2011, is newer than 59% of them.
- NPI issued2011 · 59% of these records are older, 37% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2024 · 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
- Margaret Boyer, PHDStanford, CA 943051760592240
- Naomi Brown, PH.D.Stanford, CA 943051740403823
- Flint Espil, PHDPalo Alto, CA 943051235308883
- Debra Kaysen, PHDStanford, CA 943051073698882
- Jennifer Keller, PHDStanford, CA 943051366587388
- Oliver Lin, PH.D.Stanford, CA 943051861656944
- Kristine Luce, PHDStanford, CA 943051821141243
- Rachel Manber, PHDStanford, CA 943051720120751
Common questions
What is Kan Tiffany Long, PHD's NPI number?
Kan Tiffany Long, PHD's National Provider Identifier (NPI) is 1255617304, issued on Nov 2, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Kan Tiffany Long, PHD 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 Kan Tiffany Long, PHD's license?
NPPES lists California license number 33121, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
What is Kan Tiffany Long, PHD's MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.