Brittney Marie Diffine
Medical Physician Assistant · Riverside, CA
Brittney Marie Diffine is a medical physician assistant with a practice address in Riverside, California, and NPI 1396401592, issued on Nov 11, 2021. Check the license (California 60660, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brittney Marie Diffine
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 60660 CA
Self-reported in NPPES; status is on the state search - Practice location
- 738 Via LA Paloma, Riverside, CA 92507
- Phone
- (951) 329-0230
- Enumerated
- Nov 11, 2021
- Record last updated
- Mar 27, 2024
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Verify Brittney Marie Diffine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 60660Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average medical physician assistant in 2024
182 Medicare Part D claims for 123 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin25 claims
- Ibuprofen20 claims
- Fluticasone Propionate13 claims
- Cephalexin12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $21.29
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Brittney Marie Diffine among 3,376 medical physician assistant records in California
Brittney Marie Diffine is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 79% of them.
- NPI issued2021 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Riverside → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Natalia Cardenas, PA-CRiverside, CA 925071538542709
- Felipe Cendejas, PA-CRiverside, CA 925071093149783
- Roseanne Garrison, PA-CRiverside, CA 925071154409654
- Daniel Lopez, PA-CRiverside, CA 925071730113101
- Chad Sweetnam, PA-CRiverside, CA 925071740213594
- Erika Amthor, PA-CRiverside, CA 925061962808477
- Julie Buchanan, PA-CRiverside, CA 925061710298005
- Travis CruzRiverside, CA 925081003265117
Common questions
What is Brittney Marie Diffine's NPI number?
Brittney Marie Diffine's National Provider Identifier (NPI) is 1396401592, issued on Nov 11, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Brittney Marie Diffine located?
The NPPES record lists a practice address at 738 Via LA Paloma, Riverside, CA, 92507. Phone: (951) 329-0230. Providers update this record themselves, so call before visiting.
How can I verify Brittney Marie Diffine's license?
NPPES lists California license number 60660, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Brittney Marie Diffine prescribe under Medicare Part D?
In 2024, Brittney Marie Diffine had 182 Medicare Part D claims for 123 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Brittney Marie Diffine's MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.