Jay Mai, PA
NPI 1447376694 · Physician Assistant · Riverside, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jay Mai, PA is a Physician Assistant provider in Riverside, CA (NPI 1447376694).
Provider details
- NPI number
- 1447376694
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- PA16485 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 165 | 27 |
| Topiramate | 149 | 58 |
| Metformin Hclbrand: Metformin Hcl Er | 109 | 45 |
| Naltrexone Hcl | 31 | 15 |
| Bupropion Hclbrand: Bupropion Hcl Sr | 25 | 16 |
| Rifampin | 25 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$64 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-21
- Last updated
- 2021-11-09
Frequently asked questions
- What is Jay Mai's NPI number?
- Jay Mai's National Provider Identifier (NPI) is 1447376694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jay Mai's specialty?
- Jay Mai is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jay Mai located?
- Jay Mai's practice location on file with NPPES is 10800 Magnolia Ave, Riverside, CA 92505-3043.
- What is Jay Mai's phone number?
- The practice phone number listed in the NPPES registry for Jay Mai is (909) 353-2000.
- Does Jay Mai accept Medicare?
- Jay Mai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jay Mai's NPI active?
- Yes — Jay Mai's NPI (1447376694) is active in the NPPES registry as of the last update on 2021-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.