Joanne Hoiyun Lam, PSYD
Psychologist · San Francisco, CA
Joanne Hoiyun Lam, PSYD is a psychologist with a practice address in San Francisco, California, and NPI 1649559006, issued on Aug 16, 2011. Check the license (California PSY29593, 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
- Joanne Hoiyun Lam
- Credential
- PSYD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY29593 CA
Self-reported in NPPES; status is on the state search - Practice location
- 345 Spear St, San Francisco, CA 94105
- Phone
- (415) 291-0480
- Enumerated
- Aug 16, 2011
- Record last updated
- Nov 1, 2022
- Entity
- Type 1 · individual
Also registered at 345 Spear St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joanne Hoiyun Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY29593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
516 psychologist records list a practice address in San Francisco
They are 516 of the 38,143 NPPES records with a practice address in San Francisco, and 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 516 in San Francisco → All 7,304 in California → Every provider in San Francisco →
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- Elham Abouhamzeh, PSY.DIrvine, CA1386092880
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- Mackenzie Abraham, PHDRedondo Beach, CA1881053833
- Sandra Abraham, PSYDSanta Fe Springs, CA1427467851
Common questions
What is Joanne Hoiyun Lam, PSYD's NPI number?
Joanne Hoiyun Lam, PSYD's National Provider Identifier (NPI) is 1649559006, issued on Aug 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joanne Hoiyun Lam, PSYD located?
The NPPES record lists a practice address at 345 Spear St, San Francisco, CA, 94105. Phone: (415) 291-0480. Providers update this record themselves, so call before visiting.
How can I verify Joanne Hoiyun Lam, PSYD's license?
NPPES lists California license number PSY29593, 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.