Melissa Mackay, OT R/L
Occupational Therapist · Montclair, CA
Melissa Mackay, OT R/L is an occupational therapist with a practice address in Montclair, California, and NPI 1790438679, issued on Jan 31, 2022. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa Mackay
- Credential
- OT R/L
- Primary taxonomy
- Occupational Therapist 225X00000X
- Practice location
- 5350 Olive St, Montclair, CA 91763
- Phone
- (909) 295-5900
- Enumerated
- Jan 31, 2022
- Record last updated
- Jan 31, 2022
- Medicare enrollment
- Enrolled (PECOS I20220510001875); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 9,244 in California → Look up another NPI →
Also registered at 5350 Olive St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric AlcantaraOccupational Therapist1366265803
- Erika ArmentaOccupational Therapist1487458899
- Twyla Evano, PT, DPT, NCS, ATPNeurology Physical Therapist1407463847
- Shayan Falatoonzadeh, DPTPhysical Therapist1104648088
- Adrienne FrancoPhysical Therapist1316761877
- Raymond Gonzalez MartinezOccupational Therapist1518841501
Verify Melissa Mackay 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
Bills Medicare through one group practice
- Strive Physical Therapy And Wellness Center PCMontclair, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Mackay among 9,244 occupational therapist records in California
Melissa Mackay, OT R/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
- Graduated2011 · 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).
14 occupational therapist records list a practice address in Montclair
They are 14 of the 1,301 NPPES records with a practice address in Montclair, and 9,244 occupational therapist records in California.
All 9,244 in California → Every provider in Montclair → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Eric AlcantaraMontclair, CA 917631366265803
- Erika ArmentaMontclair, CA 917631487458899
- Saima AzharMontclair, CA 917631124885116
- Danielle BallardMontclair, CA 917631285218644
- Krystal Banner, OCCUPATIONAL THERAPYMontclair, CA 917631396249611
- Maela Calubaquib, OTR/LMontclair, CA 917631467616359
- Marissa GonzalezMontclair, CA 917631811743578
- Raymond Gonzalez MartinezMontclair, CA 917631518841501
Common questions
What is Melissa Mackay, OT R/L's NPI number?
Melissa Mackay, OT R/L's National Provider Identifier (NPI) is 1790438679, issued on Jan 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Mackay, OT R/L located?
The NPPES record lists a practice address at 5350 Olive St, Montclair, CA, 91763. Phone: (909) 295-5900. Providers update this record themselves, so call before visiting.
How can I verify Melissa Mackay, OT R/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. 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.