NPPES file of Aug 9, 2026

Joanna Lam

Gerontology Occupational Therapist · Hayward, CA

Joanna Lam is a gerontology occupational therapist with a practice address in Hayward, California, and NPI 1386395770, issued on Jan 17, 2022. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386395770
Name
Joanna Lam
Primary taxonomy
Gerontology Occupational Therapist 225XG0600X
Practice location
1200 Russell Way, Hayward, CA 94541
Phone
(510) 996-5944
Enumerated
Jan 17, 2022
Record last updated
Jan 17, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Joanna Lam 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
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Joanna Lam among 67 gerontology occupational therapist records in California

Joanna Lam is one of 67 gerontology occupational therapist records with a practice address in California. 7% 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 2022, is newer than 72% of them.

  • NPI issued2022 · 72% of these records are older, 22% newer
  • In a Medicare fileNo · 7% of these records are
  • In the CMS Doctors and Clinicians fileNo · 13% of these records are
  • Record last updated2022 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225XG0600X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Occupational Therapist providers in California

There are 67 gerontology occupational therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 gerontology occupational therapist records with the nearest ZIP codes

  1. Josefina CastroHayward, CA 945441831589290
  2. Shalini PakaCastro Valley, CA 945461356820351
  3. Heather PerezFairfield, CA 945331972142826
  4. Laura Maloney Olson, OTRPleasant Hill, CA 945231609714419
  5. Adriana Garcia Adame, OTR/LConcord, CA 945211417379330
  6. Romer MartinezSan Ramon, CA 945821467185249
  7. Melanie Walsh, OTSan Ramon, CA 945831962118448
  8. Phyllis KarmeleOakland, CA 946101770971665

Common questions

What is Joanna Lam's NPI number?

Joanna Lam's National Provider Identifier (NPI) is 1386395770, issued on Jan 17, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Joanna Lam located?

The NPPES record lists a practice address at 1200 Russell Way, Hayward, CA, 94541. Phone: (510) 996-5944. Providers update this record themselves, so call before visiting.

How can I verify Joanna Lam'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. 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.