Johnathan Quach, OTD, OTR/L
Occupational Therapist · Garden Grove, CA
Johnathan Quach, OTD, OTR/L is an occupational therapist with a practice address in Garden Grove, California, and NPI 1710505565, issued on Jul 8, 2020. Check the license (California 21284, 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
- Johnathan Quach
- Credential
- OTD, OTR/L
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 21284 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14221 Euclid St Ste F, Garden Grove, CA 92843
- Phone
- (714) 891-2739
- Enumerated
- Jul 8, 2020
- Record last updated
- Jul 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 9,244 in California → Look up another NPI →
Also registered at 14221 Euclid St Ste F
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Chan, DPTPhysical Therapist1699383570
- Quang Ho, PT, DPTPhysical Therapist1528523123
- Chia George HuangPhysical Therapist1669055752
- John Huynh, PT, DPTPhysical Therapist1336784883
- Alison McClintock, PTPhysical Therapist1922526094
- Hoa Nguyen, DPTPhysical Therapist1508524620
Verify Johnathan Quach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Johnathan Quach among 9,244 occupational therapist records in California
Johnathan Quach, 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 not. Its NPI, issued in 2020, is newer than 59% of them.
- NPI issued2020 · 59% of these records are older, 35% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2020 · 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).
34 occupational therapist records list a practice address in Garden Grove
They are 34 of the 4,572 NPPES records with a practice address in Garden Grove, and 9,244 occupational therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,244 in California → Every provider in Garden Grove → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Alexis Charles, OTR/LGarden Grove, CA 928431871762633
- Ryan Cheng, O.T.R.Garden Grove, CA 928431629123500
- Lordele De Los Reyes, OTR/LGarden Grove, CA 928431386843290
- Maydi LeibowitzGarden Grove, CA 928431700229408
- Dana MakhloufGarden Grove, CA 928431285216713
- Tuan Nguyen, MOTGarden Grove, CA 928431083961593
- Mary Simmons, OTRGarden Grove, CA 928431316145691
- Peter Tran, OTR/LGarden Grove, CA 928431417430760
Common questions
What is Johnathan Quach, OTD, OTR/L's NPI number?
Johnathan Quach, OTD, OTR/L's National Provider Identifier (NPI) is 1710505565, issued on Jul 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Johnathan Quach, OTD, OTR/L located?
The NPPES record lists a practice address at 14221 Euclid St Ste F, Garden Grove, CA, 92843. Phone: (714) 891-2739. Providers update this record themselves, so call before visiting.
How can I verify Johnathan Quach, OTD, OTR/L's license?
NPPES lists California license number 21284, 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.