Marissa Ayala, OTR/L
Occupational Therapist · Covina, CA
Marissa Ayala, OTR/L is an occupational therapist with a practice address in Covina, California, and NPI 1427672153, issued on May 28, 2020. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marissa Ayala
- Credential
- OTR/L
- Primary taxonomy
- Occupational Therapist 225X00000X
- Practice location
- 414 E San Bernardino RD, Covina, CA 91723
- Phone
- (626) 594-6280
- Enumerated
- May 28, 2020
- Record last updated
- Jul 11, 2025
- Entity
- Type 1 · individual
Also registered at 414 E San Bernardino RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie AdamsSpeech-Language Assistant1447936059
- Melanie AlcalaSpeech-Language Pathologist1932884715
- Brian Apin, PTPediatric Physical Therapist1861447294
- Alejandra ArenasOccupational Therapist1043193105
- Shannon BallesterosSpeech-Language Assistant1699407445
- Katie BotSpeech-Language Pathologist1427790930
Verify Marissa Ayala in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29 occupational therapist records list a practice address in Covina
They are 29 of the 3,736 NPPES records with a practice address in Covina, and 9,244 occupational therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 29 in Covina → All 9,244 in California → Every provider in Covina →
Other occupational therapist records in California
- Michael AaenNapa, CA1417627464
- Andrea Jenine AbadLos Angeles, CA1043883176
- Mary AbarquezLos Angeles, CA1174160196
- Loreelei Abbariao, OTRBuena Park, CA1619218179
- Amira Abbasi, OTR/LMenlo Park, CA1952867236
- Katherine Abbey, MA-OTR/LPasadena, CA1952689770
- Dana Abbott, OTR/LVista, CA1023593530
- Laura Abbott, CHTSalinas, CA1154305019
- Nicole AbdallahPalo Alto, CA1598578379
- Nurhana Abdul RahimBrentwood, CA1689383077
Common questions
What is Marissa Ayala, OTR/L's NPI number?
Marissa Ayala, OTR/L's National Provider Identifier (NPI) is 1427672153, issued on May 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Ayala, OTR/L located?
The NPPES record lists a practice address at 414 E San Bernardino RD, Covina, CA, 91723. Phone: (626) 594-6280. Providers update this record themselves, so call before visiting.
How can I verify Marissa Ayala, OTR/L'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.