Melissa Ann Diaz, OTR/L
Occupational Therapist · Riverside, CA
Melissa Ann Diaz, OTR/L is an occupational therapist with a practice address in Riverside, California, and NPI 1780968214, issued on Oct 3, 2011. Check the license (California 9574, 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
- Melissa Ann Diaz
- Credential
- OTR/L
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 9574 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5257 Magnolia Ave, Riverside, CA 92506
- Phone
- (562) 756-4395
- Enumerated
- Oct 3, 2011
- Record last updated
- May 22, 2019 (not updated in 7 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 →
Verify Melissa Ann Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 9574Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Melissa Ann Diaz among 9,244 occupational therapist records in California
Melissa Ann Diaz, 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 2011, is newer than 20% of them.
- NPI issued2011 · 20% of these records are older, 77% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2019 · 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).
Occupational Therapist providers in California
There are 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 Riverside → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Sheryl Clemons, OTRLRiverside, CA 925061710058185
- Marie DirectoRiverside, CA 925061407627466
- Jamila Escobar, OTRRiverside, CA 925061851689202
- Amanda FehlenbergRiverside, CA 925061265710511
- Victoria LopezRiverside, CA 925061629465984
- Janelle McIntosh, OTR/L, MOTRiverside, CA 925061073970927
- Markita McKoyRiverside, CA 925061497265201
- Andrew NguyenRiverside, CA 925061629487756
Common questions
What is Melissa Ann Diaz, OTR/L's NPI number?
Melissa Ann Diaz, OTR/L's National Provider Identifier (NPI) is 1780968214, issued on Oct 3, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Ann Diaz, OTR/L located?
The NPPES record lists a practice address at 5257 Magnolia Ave, Riverside, CA, 92506. Phone: (562) 756-4395. Providers update this record themselves, so call before visiting.
How can I verify Melissa Ann Diaz, OTR/L's license?
NPPES lists California license number 9574, 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.