Heather Wong, PAC
Physician Assistant · Ontario, CA
Heather Wong, PAC is a physician assistant with a practice address in Ontario, California, and NPI 1104367846, issued on Mar 14, 2017. Check the license (California 54226, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather Wong
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 54226 CA
Self-reported in NPPES; status is on the state search - Practice location
- 437 N Euclid Ave, Ontario, CA 91762
- Phone
- (909) 988-2555
- Enumerated
- Mar 14, 2017
- Record last updated
- Jan 28, 2022
- Medicare enrollment
- Enrolled (PECOS I20170829002800); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 437 N Euclid Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine Beltre EspinosaPhysician Assistant1811765944
- Debra Blanco, PA-CPhysician Assistant1740372366
- Vache Chakmakian, M.D.Family Medicine Physician1316974652
- Sujay DayalInternal Medicine Physician1740920966
- Hawanatu Fofanah, NPFamily Nurse Practitioner1831561448
- Gryan GarciaPsychiatric/Mental Health Nurse Practitioner1578103800
Verify Heather Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 54226Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average physician assistant in 2024
462 Medicare Part D claims for 56 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Buprenorphine-Naloxone26 claims
- Trazodone Hcl26 claims
- Clonazepam21 claims
- Naltrexone Hcl17 claims
- Escitalopram Oxalate16 claims
- Gabapentin15 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: $166.39
6 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, 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
- Stefani Lafrenierre MD IncNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heather Wong among 14,451 physician assistant records in California
Heather Wong, PAC 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 2017, is newer than 47% of them.
- NPI issued2017 · 47% of these records are older, 48% 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 updated2022 · 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).
37 physician assistant records list a practice address in Ontario
They are 37 of the 5,375 NPPES records with a practice address in Ontario, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Ontario → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Linden Batiste, PACOntario, CA 917621255613451
- Katherine Beltre EspinosaOntario, CA 917621811765944
- Debra Blanco, PA-COntario, CA 917621740372366
- Wei Chen-WuOntario, CA 917621063031219
- Shawn Chowdhury, P.A.Ontario, CA 917621801830963
- Rafael Larios, PACOntario, CA 917621003081415
- Tahnee LillyOntario, CA 917621730845280
- Emmanuel Sawaya, PA-COntario, CA 917621306074802
Common questions
What is Heather Wong, PAC's NPI number?
Heather Wong, PAC's National Provider Identifier (NPI) is 1104367846, issued on Mar 14, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Heather Wong, PAC located?
The NPPES record lists a practice address at 437 N Euclid Ave, Ontario, CA, 91762. Phone: (909) 988-2555. Providers update this record themselves, so call before visiting.
How can I verify Heather Wong, PAC's license?
NPPES lists California license number 54226, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Heather Wong, PAC prescribe under Medicare Part D?
In 2024, Heather Wong, PAC had 462 Medicare Part D claims for 56 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.