Crystal Marie Brown, O.T.
Occupational Therapist · Downey, CA
Crystal Marie Brown, O.T. is an occupational therapist with a practice address in Downey, California, and NPI 1538365606, issued on Jun 25, 2007. Check the license (California 4640, 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
- Crystal Marie Brown
- Credential
- O.T.
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 4640 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9333 Imperial Hwy, Downey, CA 90242
- Phone
- (562) 657-8886
- Enumerated
- Jun 25, 2007
- Record last updated
- Dec 21, 2021 (not updated in 5 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 9333 Imperial Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Crystal Marie Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 4640Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Crystal Marie Brown among 9,244 occupational therapist records in California
Crystal Marie Brown, O.T. 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 2007, is newer than 5% of them.
- NPI issued2007 · 5% of these records are older, 89% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2021 · 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).
80 occupational therapist records list a practice address in Downey
They are 80 of the 3,607 NPPES records with a practice address in Downey, 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 Downey → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Suk Whan Chang ParkDowney, CA 902421780974634
- Annie Choi, OTR/LDowney, CA 902421821436585
- April Hammon, OTR/LDowney, CA 902421922332014
- Virginia Hazboun, O.T.R./LDowney, CA 902421487977518
- Kelene Hecht, OTRDowney, CA 902421154351062
- Jason Hill, OTRDowney, CA 902421407976541
- Ulla Holmes, OTRDowney, CA 902421780894683
- Colette KrilanovichDowney, CA 902421851642045
Common questions
What is Crystal Marie Brown, O.T.'s NPI number?
Crystal Marie Brown, O.T.'s National Provider Identifier (NPI) is 1538365606, issued on Jun 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Marie Brown, O.T. located?
The NPPES record lists a practice address at 9333 Imperial Hwy, Downey, CA, 90242. Phone: (562) 657-8886. Providers update this record themselves, so call before visiting.
How can I verify Crystal Marie Brown, O.T.'s license?
NPPES lists California license number 4640, 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.