NPPES file of Aug 9, 2026

Hannah Son, PA-C

Medical Physician Assistant · Orange, CA

Hannah Son, PA-C is a medical physician assistant with a practice address in Orange, California, and NPI 1114774130, issued on May 6, 2024. Check the license (California PA64416, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114774130
Name
Hannah Son
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA64416 CA
Self-reported in NPPES; status is on the state search
Practice location
363 S Main St Ste 485, Orange, CA 92868
Phone
(714) 835-4800
Enumerated
May 6, 2024
Record last updated
Jun 11, 2025
Fax
(714) 835-1900
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 363 S Main St Ste 485

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kaitlin Jones-Grilli, PA-CPhysician Assistant1134611320
  2. Stavroula Otis, M.D.Hematology & Oncology Physician1477677557
  3. Sarah Schreiber, PAPhysician Assistant1750038113
  4. Donna Valentine, PHYSICIAN ASSISTANTPhysician Assistant1801995410

Verify Hannah Son in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA64416
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

77% fewer Medicare Part D claims than the average medical physician assistant in 2024

260 Medicare Part D claims for 109 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims. 26 claims were for opioids.

  1. Hannah Son260
  2. Specialty average1,148

Most prescribed

  1. Hydrocodone-Acetaminophen21 claims
  2. Anastrozole17 claims
  3. Orgovyx17 claims
  4. Xtandi14 claims
  5. Promacta11 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: $2,618.63

95 payments; by number, the most common kind was food and beverage; the largest payer was Incyte Corporation. 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.

  1. Hannah Son$2,618.63
  2. Specialty average$1,055.00

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

  1. Bridget Abajian, PA-CLos Angeles, CA1518677061
  2. Crispin Abbott, PHYSICIAN ASSISTANTThousand Oaks, CA1063467926
  3. Abdol Hamid Abdali Hajiabadi, P.A.Santa Ana, CA1285747964
  4. Jilbert Abnoosian, PALynwood, CA1447300314
  5. Reema Aboelrish, PA-CFresno, CA1376466144
  6. Sakina Abowath, P.A.Diamond Bar, CA1326287525
  7. Selin Abraamyan, PA-CGlendale, CA1144795899
  8. Antonious Abraham, PA-CCovina, CA1003434275
  9. Michelle AbrahamSacramento, CA1952875957
  10. Therese Abraham, P.A.-CGlendale, CA1063726586

Common questions

What is Hannah Son, PA-C's NPI number?

Hannah Son, PA-C's National Provider Identifier (NPI) is 1114774130, issued on May 6, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Hannah Son, PA-C located?

The NPPES record lists a practice address at 363 S Main St Ste 485, Orange, CA, 92868. Phone: (714) 835-4800. Providers update this record themselves, so call before visiting.

How can I verify Hannah Son, PA-C's license?

NPPES lists California license number PA64416, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Hannah Son, PA-C prescribe under Medicare Part D?

In 2024, Hannah Son, PA-C had 260 Medicare Part D claims for 109 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.