Ashley Yusam, PA-C
Physician Assistant · Aliso Viejo, CA
Ashley Yusam, PA-C is a physician assistant with a practice address in Aliso Viejo, California, and NPI 1275986077, issued on Jul 15, 2016. Check the license (California 53599, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ashley Yusam
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 53599 CA
Self-reported in NPPES; status is on the state search - Practice location
- 24552 Pacific Park Dr, Aliso Viejo, CA 92656
- Phone
- (949) 565-2377
- Enumerated
- Jul 15, 2016
- Record last updated
- Oct 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20191218002950); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 24552 Pacific Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yen Anker, NPNurse Practitioner1104273309
- Christopher Cummins, LMFT, LCADC, ACSMarriage & Family Therapist1639415490
- Lilian Rose Gumban-Saldana, NPPsychiatric/Mental Health Nurse Practitioner1124993290
- Evaggelos Mitrevolis, MDAddiction Medicine (Preventive Medicine) Physician1154632990
- Holly Ann Olalia, DNP, PMHNPPsychiatric/Mental Health Nurse Practitioner1538751409
- Laquicha Westervelt, FNP-C, PMHNP-BCFamily Nurse Practitioner1992166912
Verify Ashley Yusam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 53599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average physician assistant in 2024
231 Medicare Part D claims for 66 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Buprenorphine-Naloxone26 claims
- Gabapentin19 claims
- Quetiapine Fumarate17 claims
- Sertraline Hcl15 claims
- Trazodone Hcl14 claims
- Duloxetine Hcl13 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLaguna Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashley Yusam among 14,451 physician assistant records in California
Ashley Yusam, PA-C 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 2016, is newer than 44% of them.
- NPI issued2016 · 44% of these records are older, 53% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2016 · median 2018 among the 7,214 with a school on file
- Record last updated2023 · 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).
14 physician assistant records list a practice address in Aliso Viejo
They are 14 of the 568 NPPES records with a practice address in Aliso Viejo, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Aliso Viejo → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Brian Barragan, PA-CAliso Viejo, CA 926561699326371
- Mikayla BrownAliso Viejo, CA 926561730778952
- Lindsey Gelber, PAAliso Viejo, CA 926561861044240
- Trenton HarrisonAliso Viejo, CA 926561710513965
- Katherine King, PA-CAliso Viejo, CA 926561922332410
- Kelly Mountain, PA-CAliso Viejo, CA 926561205420312
- Kristina Preston, PA-CAliso Viejo, CA 926561891142170
- Wendy Reulman, PA-CAliso Viejo, CA 926561770780462
Common questions
What is Ashley Yusam, PA-C's NPI number?
Ashley Yusam, PA-C's National Provider Identifier (NPI) is 1275986077, issued on Jul 15, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ashley Yusam, PA-C located?
The NPPES record lists a practice address at 24552 Pacific Park Dr, Aliso Viejo, CA, 92656. Phone: (949) 565-2377. Providers update this record themselves, so call before visiting.
How can I verify Ashley Yusam, PA-C's license?
NPPES lists California license number 53599, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ashley Yusam, PA-C prescribe under Medicare Part D?
In 2024, Ashley Yusam, PA-C had 231 Medicare Part D claims for 66 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.