Marl Ayson
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Lancaster, CA
Marl Ayson is a pharmacist clinician (phc)/ clinical pharmacy specialist with a practice address in Lancaster, California, and NPI 1972134294, issued on Jan 27, 2020. Check the license (California 80993, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marl Ayson
- Primary taxonomy
- Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X
- License number
- 80993 CA
Self-reported in NPPES; status is on the state search - Practice location
- 349 E Avenue K6, Lancaster, CA 93535
- Phone
- (661) 723-4260
- Enumerated
- Jan 27, 2020
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (661) 723-6975
- Entity
- Type 1 · individual
8 nearest pharmacist clinician (phc)/ clinical pharmacy specialist records → All 1,593 in California → Look up another NPI →
Also registered at 349 E Avenue K6
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marl Ayson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 80993Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.1 times the Medicare Part D claims of the average pharmacist clinician (phc)/ clinical pharmacy specialist in 2024
1,797 Medicare Part D claims for 135 beneficiaries, against an average of 253 among the 1,614 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Buspirone Hcl118 claims
- Sertraline Hcl115 claims
- Quetiapine Fumarate107 claims
- Invega Sustenna99 claims
- Bupropion Xl98 claims
- Trazodone Hcl92 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.
Marl Ayson among 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records in California
Marl Ayson is one of 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records with a practice address in California. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 76% of them.
- NPI issued2020 · 76% of these records are older, 19% newer
- In a Medicare fileYes · 17% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P0018X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist providers in California
There are 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records in California.
All 1,593 in California → Every provider in Lancaster → Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist nationwide →
The 8 pharmacist clinician (phc)/ clinical pharmacy specialist records with the nearest ZIP codes
- Rana EntabiLancaster, CA 935351811376346
- Sam Abid, PHARM.D.Lancaster, CA 935341295366656
- Mina Ayad, RPHLancaster, CA 935341063825107
- Jessica Barsegian, PHARM.D.Lancaster, CA 935341336517838
- Beverley HoffmanLancaster, CA 935361588921712
- Stephen Sullivan, PHARMD.Edwards Afb, CA 935241164956421
- Doyoung Kim, PHARMDRidgecrest, CA 935551447757703
- Minh NguyenTehachapi, CA 935611104319003
Common questions
What is Marl Ayson's NPI number?
Marl Ayson's National Provider Identifier (NPI) is 1972134294, issued on Jan 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marl Ayson located?
The NPPES record lists a practice address at 349 E Avenue K6, Lancaster, CA, 93535. Phone: (661) 723-4260. Providers update this record themselves, so call before visiting.
How can I verify Marl Ayson's license?
NPPES lists California license number 80993, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marl Ayson prescribe under Medicare Part D?
In 2024, Marl Ayson had 1,797 Medicare Part D claims for 135 beneficiaries; the average among pharmacist clinician (phc)/ clinical pharmacy specialist prescribers was 253. 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.