Harold Wong, PA-C
- Part D claims, 2024
- 3,335
- Hospital affiliations
- 1
- Industry payments
- $1,893
- Medical group
- 1
- State license
- 1
- Practice address
- 23845 McBean Pkwy, Valencia, CA 91355
- Practice phone
- Call (661) 253-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Harold Wong's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Harold Wong is a physician assistant in Valencia, California
Harold Wong practices at Henry Mayo Newhall Hospital in Valencia, California, part of Henry Mayo Newhall Hospital.
Harold Wong's NPI, 1528357175, was assigned on April 5, 2011. Harold Wong holds California license PA16668.
- NPI
- 1528357175NPI Registry (opens in a new tab)
- NPI enumeration date
- April 5, 2011
- NPI status
- Active
- Practice phone
- (661) 253-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Harold Wong practices at Henry Mayo Newhall Hospital in Valencia, California
Harold Wong's primary practice is Henry Mayo Newhall Hospital, at 23845 McBean Pkwy, Valencia, CA 91355 in Los Angeles County. The practice phone is (661) 253-8000.
- Henry Mayo Newhall Hospital23845 McBean Pkwy, Valencia, CA 91355 · Los Angeles CountyPhone(661) 253-8000
Source: Dmand AI Affiliation Data
Harold Wong is affiliated with 2 sites of care and 1 medical group
Harold Wong's primary practice is Henry Mayo Newhall Hospital in Valencia, California, part of Henry Mayo Newhall Hospital. The medical group on file is SCV Quality Care. Dmand AI also links Harold Wong to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Harold Wong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Harold Wong practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Henry Mayo Newhall Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Henry Mayo Newhall Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Harold Wong is one of 11,482 physician assistants in California
Physician assistant is Harold Wong's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Harold Wong is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Harold Wong is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Harold Wong
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Harold Wong's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Harold Wong's median patient age at 59, with 45% women.
Harold Wong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women45%
- Men54%
Source: Dmand AI Patient Panel Data
Harold Wong wrote 3,335 Medicare Part D claims in 2024
In 2024, Harold Wong wrote 3,335 Medicare Part D claims for 589 patients. 90% of them were for generic drugs. CMS names the drug for 2,777 of them, across 70 drugs with 11 or more claims each, at $131,166 in total drug cost.
Harold Wong's Part D claims by kind of drug, 2024
- Generic3,011 claims90%
- Brand-name and other324 claims10%
Harold Wong's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Harold Wong's Part D claims, 2024
- Opioids1%25 of 3,335 claims
- Antibiotics8%262 of 3,335 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Harold Wong received $1,893 in industry payments from 2024 to 2025
CMS Open Payments shows 81 general payments to Harold Wong from 15 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $529.
General payments to Harold Wong by program year, 2024 to 2025
Companies that paid Harold Wong the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Harold Wong is board certified in certified physician assistant
Harold Wong is a member of AAPA.
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Harold Wong's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Harold Wong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Harold Wong's NPI number?
Harold Wong's NPI number is 1528357175. It was assigned on April 5, 2011, and it is active in the NPI Registry.
What does Harold Wong specialize in?
Harold Wong is a physician assistant in Valencia, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Harold Wong practice?
Harold Wong practices at 23845 McBean Pkwy, Valencia, CA 91355. Harold Wong's primary practice is Henry Mayo Newhall Hospital in Valencia, California, part of Henry Mayo Newhall Hospital. Dmand AI also links Harold Wong to 1 group practice or clinic.
What is Harold Wong's office phone number?
The practice phone on file for Harold Wong is (661) 253-8000.
What is Harold Wong's medical license number?
Harold Wong holds California license PA16668.
Which hospitals is Harold Wong affiliated with?
Harold Wong practices at Henry Mayo Newhall Hospital in Valencia, California.
What medical group is Harold Wong part of?
Harold Wong is linked to SCV Quality Care.
Is Harold Wong board certified?
Yes. Harold Wong is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does Harold Wong prescribe most?
In 2024 Medicare Part D data, Harold Wong's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Harold Wong received payments from drug or device companies?
CMS Open Payments shows $1,893 in general payments to Harold Wong from 15 companies from 2024 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Harold Wong been practicing?
Harold Wong's NPI was assigned in 2011.
Selling to physician assistant practices?
See physician assistants in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card