Heather Wong, PAC
NPI 1104367846 · Physician Assistant · Ontario, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Wong, PAC is a Physician Assistant provider in Ontario, CA (NPI 1104367846).
Provider details
- NPI number
- 1104367846
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Female
- Sole proprietor
- No
- License
- 54226 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 26 | 11 |
| Trazodone Hcl | 26 | 16 |
| Clonazepam | 21 | — |
| Naltrexone Hcl | 17 | — |
| Escitalopram Oxalate | 16 | — |
| Gabapentin | 15 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$166 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-14
- Last updated
- 2022-01-28
- Certified
- 2022-01-28
Frequently asked questions
- What is Heather Wong's NPI number?
- Heather Wong's National Provider Identifier (NPI) is 1104367846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Wong's specialty?
- Heather Wong is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Heather Wong located?
- Heather Wong's practice location on file with NPPES is 437 N Euclid Ave, Ontario, CA 91762-3456.
- What is Heather Wong's phone number?
- The practice phone number listed in the NPPES registry for Heather Wong is (909) 988-2555.
- Does Heather Wong accept Medicare?
- Heather Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Wong's NPI active?
- Yes — Heather Wong's NPI (1104367846) is active in the NPPES registry as of the last update on 2022-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.