Allen Lam, OTD, OTR/L
Occupational Therapist · Westminster, CA
Allen Lam, OTD, OTR/L is an occupational therapist with a practice address in Westminster, California, and NPI 1306570494, issued on Jul 13, 2022. Check the license (California 23880, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Allen Lam
- Credential
- OTD, OTR/L
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 23880 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14091 Frances St, Westminster, CA 92683
- Phone
- (714) 878-1849
- Enumerated
- Jul 13, 2022
- Record last updated
- Sep 1, 2022
- Medicare enrollment
- Enrolled (PECOS I20221220001926); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 9,244 in California → Look up another NPI →
Verify Allen 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 23880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Global Physical Therapy And WellnessGarden Grove, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allen Lam among 9,244 occupational therapist records in California
Allen Lam, OTD, OTR/L is one of 9,244 occupational therapist 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 2022, is newer than 71% of them.
- NPI issued2022 · 71% of these records are older, 23% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated2022 · median 2018 among the 910 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 occupational therapist records list a practice address in Westminster
They are 13 of the 1,306 NPPES records with a practice address in Westminster, and 9,244 occupational therapist records in California.
All 9,244 in California → Every provider in Westminster → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Janet Chung, MS, OTR/LWestminster, CA 926831962454579
- Anhthu DoWestminster, CA 926831407656077
- Mila Jimenez, OTR/LWestminster, CA 926831457062168
- Victoria KerfmanWestminster, CA 926831275492092
- Jessica Lee, OTR/LWestminster, CA 926831720708902
- Alexandra Mora, MSOT, OTR/LWestminster, CA 926831770165268
- Anh Nguyen, O.T. R/LWestminster, CA 926831265882856
- Angela Otterbein, OTR/LWestminster, CA 926831366986085
Common questions
What is Allen Lam, OTD, OTR/L's NPI number?
Allen Lam, OTD, OTR/L's National Provider Identifier (NPI) is 1306570494, issued on Jul 13, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Allen Lam, OTD, OTR/L located?
The NPPES record lists a practice address at 14091 Frances St, Westminster, CA, 92683. Phone: (714) 878-1849. Providers update this record themselves, so call before visiting.
How can I verify Allen Lam, OTD, OTR/L's license?
NPPES lists California license number 23880, 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.
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.