Darrell W. Wong, MD
NPI 1265446686ActiveIndividual· Allergy & Immunology· Chandler, AZ
Allergy & Immunology (MD) in Chandler, Arizona, trained at Chicago College of Medicine and Surgery (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $703,921 for 484 claims, against $85,101 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 22 companies reporting payments in 2025, $2,687 in all, mostly food and beverage.
Overview
| NPI | 1265446686 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 28, 2006 |
| Last updated in NPPES | Jan 19, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 28509 | AZ |
| Allergy & Immunology | 207K00000X | A61833 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 261 |
|---|---|
| Services billed | 8,768 across 21 procedure codes |
| Paid by Medicare | $85,101 |
Part D prescriptions in 2024
| Prescriptions (claims) | 484 · 748 30-day fills |
|---|---|
| Patients | 117 |
| Total drug cost | $703,921 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | Chicago College of Medicine and Surgery |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Allergy/Immunology |
| Telehealth | Offers telehealth |
Medical group
- Arizona Allergy Asthma and Immunology Consultants PLCSan Tan Valley, AZ · 11 clinicians
Hospital affiliation
- Chandler Regional Medical CenterChandler, AZ
Industry payments (Open Payments)
- 2025$2,687 · 139 payments from 22 companies
- 2024$1,754 · 98 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $387.17 | 18 |
| Regeneron Healthcare Solutions, Inc. | $275.49 | 12 |
| Astrazeneca Pharmaceuticals LP | $232.88 | 29 |
| Takeda Pharmaceuticals U.S.A., Inc. | $210.23 | 10 |
| Novartis Pharmaceuticals Corporation | $197.87 | 11 |
What the 2025 payments were for
- Food and Beverage$2,618 · 135 payments
- Consulting Fee$68.72 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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