Alyxis Mah, PA-C
Physician Assistant · Fountain Valley, CA
Alyxis Mah, PA-C is a physician assistant with a practice address in Fountain Valley, California, and NPI 1861016685, issued on Jun 8, 2020. Check the license (California 57969, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alyxis Mah
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 57969 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11190 Warner Ave Ste 300, Fountain Valley, CA 92708
- Phone
- (714) 241-7000
- Enumerated
- Jun 8, 2020
- Record last updated
- Oct 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200817001343); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 11190 Warner Ave Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Chung KimNurse Practitioner1386070894
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Verify Alyxis Mah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 57969Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $746.61
16 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. 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
- Christopher C Ninh MD, IncWestminster, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alyxis Mah among 14,451 physician assistant records in California
Alyxis Mah, 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 2020, is newer than 62% of them.
- NPI issued2020 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2019 · median 2018 among the 7,214 with a school on file
- Record last updated2021 · 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).
61 physician assistant records list a practice address in Fountain Valley
They are 61 of the 2,190 NPPES records with a practice address in Fountain Valley, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Fountain Valley → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Fidel Andrade, PAFountain Valley, CA 927081578547782
- Jody Carr, PA-CFountain Valley, CA 927081881882264
- Lisa Chan, PA-CFountain Valley, CA 927081831128446
- Mitzi D'Aquila, PA-CFountain Valley, CA 927081093919862
- Susan Font, PA-CFountain Valley, CA 927081689857229
- Shawna Jones, P.A.-CFountain Valley, CA 927081447451786
- Steven Lerner, PAFountain Valley, CA 927081891777462
- Vinh Ngo, PAFountain Valley, CA 927081386796118
Common questions
What is Alyxis Mah, PA-C's NPI number?
Alyxis Mah, PA-C's National Provider Identifier (NPI) is 1861016685, issued on Jun 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Alyxis Mah, PA-C located?
The NPPES record lists a practice address at 11190 Warner Ave Ste 300, Fountain Valley, CA, 92708. Phone: (714) 241-7000. Providers update this record themselves, so call before visiting.
How can I verify Alyxis Mah, PA-C's license?
NPPES lists California license number 57969, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.