Mason Devon, P.A.
Physician Assistant · Santa Monica, CA
Mason Devon, P.A. is a physician assistant with a practice address in Santa Monica, California, and NPI 1235492299, issued on Jun 24, 2012. Check the license (California 22620, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mason Devon
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 22620 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2001 Santa Monica Blvd Ste 680W, Santa Monica, CA 90404
- Phone
- (310) 829-8928
- Enumerated
- Jun 24, 2012
- Record last updated
- Jan 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20130227000328); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2001 Santa Monica Blvd Ste 680W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mason Devon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 22620Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physician assistant in 2024
38 Medicare Part D claims for 20 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $204.59
9 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through one group practice
- Providence Saint Johns Medical FoundationSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mason Devon among 14,451 physician assistant records in California
Mason Devon, P.A. is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 33% of them.
- NPI issued2012 · 33% of these records are older, 65% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2012 · median 2018 among the 7,214 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
79 physician assistant records list a practice address in Santa Monica
They are 79 of the 5,151 NPPES records with a practice address in Santa Monica, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Santa Monica → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Amy Adams, PASanta Monica, CA 904041609827708
- Maia Aronson, P.A.Santa Monica, CA 904041861762882
- Sherryl Beh, PASanta Monica, CA 904041467497719
- Jill Caratan, PACSanta Monica, CA 904041821180480
- Brian Cary, PASanta Monica, CA 904041376733790
- Sylvia Chen, P.A.-C, MMSSanta Monica, CA 904041023131786
- Jennifer Kosova, PACSanta Monica, CA 904041083636203
- Amelia Mittleman, PA-CSanta Monica, CA 904041770849663
Common questions
What is Mason Devon, P.A.'s NPI number?
Mason Devon, P.A.'s National Provider Identifier (NPI) is 1235492299, issued on Jun 24, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Mason Devon, P.A. located?
The NPPES record lists a practice address at 2001 Santa Monica Blvd Ste 680W, Santa Monica, CA, 90404. Phone: (310) 829-8928. Providers update this record themselves, so call before visiting.
How can I verify Mason Devon, P.A.'s license?
NPPES lists California license number 22620, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mason Devon, P.A. prescribe under Medicare Part D?
In 2024, Mason Devon, P.A. had 38 Medicare Part D claims for 20 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.