Samantha Ong
Surgical Physician Assistant · Fountain Valley, CA
Samantha Ong is a surgical physician assistant with a practice address in Fountain Valley, California, and NPI 1366184152, issued on Apr 12, 2022. Check the license (California PA61317, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Samantha Ong
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA61317 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18035 Brookhurst St Ste 1300, Fountain Valley, CA 92708
- Phone
- (657) 241-9440
- Enumerated
- Apr 12, 2022
- Record last updated
- Oct 24, 2025
- Fax
- (714) 665-4601
- Medicare enrollment
- Enrolled (PECOS I20221012002727); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Also registered at 18035 Brookhurst St Ste 1300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Hargrove, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1871812727
- Tuan Lam, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1124290713
- Charles Murphy, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1487693735
- Drew Spindler, PA-CSurgical Physician Assistant1992878110
Verify Samantha Ong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA61317Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average surgical physician assistant in 2024
78 Medicare Part D claims for 36 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen20 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $824.88
16 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 7,578 providers of this specialty with any payment received $703.95 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 2 group practices
- Memorialcare Medical FoundationFountain Valley, CA
- Pih Health PhysiciansLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samantha Ong among 1,075 surgical physician assistant records in California
Samantha Ong is one of 1,075 surgical physician assistant records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 90% of them.
- NPI issued2022 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2012 among the 649 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in Fountain Valley → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Son Huynh, PA-CFountain Valley, CA 927081588115141
- Irene Nagel, P.A.-CFountain Valley, CA 927081255447496
- Ashley Salazar, P.A.-CFountain Valley, CA 927081003870114
- Drew Spindler, PA-CFountain Valley, CA 927081992878110
- Kris Ton, PA-CFountain Valley, CA 927081205860988
- Leah Vergara, PA-CFountain Valley, CA 927081053720359
- Amos Yi, PA-CFountain Valley, CA 927081215360912
- Andrew So, PASanta Ana, CA 927041093749533
Common questions
What is Samantha Ong's NPI number?
Samantha Ong's National Provider Identifier (NPI) is 1366184152, issued on Apr 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Samantha Ong located?
The NPPES record lists a practice address at 18035 Brookhurst St Ste 1300, Fountain Valley, CA, 92708. Phone: (657) 241-9440. Providers update this record themselves, so call before visiting.
How can I verify Samantha Ong's license?
NPPES lists California license number PA61317, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Samantha Ong prescribe under Medicare Part D?
In 2024, Samantha Ong had 78 Medicare Part D claims for 36 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
What is Samantha Ong's MIPS final score?
The 2023 MIPS final score is 76.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.