Josephine Hoa Ngoc Mai, PA-C
Medical Physician Assistant · Alpine, CA
Josephine Hoa Ngoc Mai, PA-C is a medical physician assistant with a practice address in Alpine, California, and NPI 1528610870, issued on Jul 16, 2019. Check the license (California PA58572, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Josephine Hoa Ngoc Mai
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA58572 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4058 Willows RD, Alpine, CA 91901
- Phone
- (619) 445-1188
- Enumerated
- Jul 16, 2019
- Record last updated
- Nov 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (619) 659-3140
- Entity
- Type 1 · individual
Also registered at 4058 Willows RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joshua Blessing, M.D.Family Medicine Physician1225566714
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Verify Josephine Hoa Ngoc Mai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA58572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average medical physician assistant in 2024
150 Medicare Part D claims for 48 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium25 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.
Industry payments in 2024: $202.76
10 payments; by number, the most common kind was food and beverage; the largest payer was Scpharmaceuticals Inc. 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.
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
Other medical physician assistant records in California
- Bridget Abajian, PA-CLos Angeles, CA1518677061
- Crispin Abbott, PHYSICIAN ASSISTANTThousand Oaks, CA1063467926
- Abdol Hamid Abdali Hajiabadi, P.A.Santa Ana, CA1285747964
- Jilbert Abnoosian, PALynwood, CA1447300314
- Reema Aboelrish, PA-CFresno, CA1376466144
- Sakina Abowath, P.A.Diamond Bar, CA1326287525
- Selin Abraamyan, PA-CGlendale, CA1144795899
- Antonious Abraham, PA-CCovina, CA1003434275
- Michelle AbrahamSacramento, CA1952875957
- Therese Abraham, P.A.-CGlendale, CA1063726586
Common questions
What is Josephine Hoa Ngoc Mai, PA-C's NPI number?
Josephine Hoa Ngoc Mai, PA-C's National Provider Identifier (NPI) is 1528610870, issued on Jul 16, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Josephine Hoa Ngoc Mai, PA-C located?
The NPPES record lists a practice address at 4058 Willows RD, Alpine, CA, 91901. Phone: (619) 445-1188. Providers update this record themselves, so call before visiting.
How can I verify Josephine Hoa Ngoc Mai, PA-C's license?
NPPES lists California license number PA58572, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Josephine Hoa Ngoc Mai, PA-C prescribe under Medicare Part D?
In 2024, Josephine Hoa Ngoc Mai, PA-C had 150 Medicare Part D claims for 48 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.