Tiffany Phu, PHD
Psychologist · San Mateo, CA
Tiffany Phu, PHD is a psychologist with a practice address in San Mateo, California, and NPI 1124909320, issued on Sep 12, 2025. Check the license (California PSY36047, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Tiffany Phu
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY36047 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2000 Alameda DE Las Pulgas, San Mateo, CA 94403
- Phone
- (650) 931-6565
- Enumerated
- Sep 12, 2025
- Record last updated
- Sep 12, 2025
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Also registered at 2000 Alameda DE Las Pulgas
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jannet AnayaCommunity Health Worker1942621115
- Silvia Arabia, DNP, MPH, MSN, NP-CRegistered Nurse1427736149
Verify Tiffany Phu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY36047Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Tiffany Phu among 7,304 psychologist records in California
Tiffany Phu, 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 not. Its NPI, issued in 2025, is newer than 95% of them.
- NPI issued2025 · 95% of these records are older, 2% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 14% of these records are
- Record last updated2025 · 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).
40 psychologist records list a practice address in San Mateo
They are 40 of the 3,909 NPPES records with a practice address in San Mateo, and 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,304 in California → Every provider in San Mateo → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Katerina Baeza-HernandezSan Mateo, CA 944031831812908
- Penelope ClizbeSan Mateo, CA 944031912635137
- Jasmin Kwok, PH.D.San Mateo, CA 944031174870109
- David Lin, PHDSan Mateo, CA 944031588735807
- Maria Lorente-Foresti, PH.D.San Mateo, CA 944031124196688
- Maria Moran, PSY.DSan Mateo, CA 944031457580649
- Casey Newland, PSY.D.San Mateo, CA 944031790123818
- Grace Niu, PH.DSan Mateo, CA 944031871870592
Common questions
What is Tiffany Phu, PHD's NPI number?
Tiffany Phu, PHD's National Provider Identifier (NPI) is 1124909320, issued on Sep 12, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Phu, PHD located?
The NPPES record lists a practice address at 2000 Alameda DE Las Pulgas, San Mateo, CA, 94403. Phone: (650) 931-6565. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Phu, PHD's license?
NPPES lists California license number PSY36047, 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. 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.