Darrell Wong, MD
NPI 1265446686 · Allergy & Immunology Physician · Chandler, AZ
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darrell Wong, MD is a Allergy & Immunology Physician provider in Chandler, AZ (NPI 1265446686).
Provider details
- NPI number
- 1265446686
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 28509 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
8,480 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 4,192 | $14 |
| Test for Allergy Using Allergenic Extract95004 | 2,943 | $3 |
| Professional Service for Multiple Injections of Allergen95117 | 852 | $12 |
| Professional Service for Single Injection of Allergen95115 | 221 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 131 | $88 |
| Test to Measure Expiratory Airflow and Volume94010 | 62 | $26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 68 | 29 |
| Montelukast Sodium | 63 | 18 |
| Azelastine Hcl | 47 | 28 |
| Immun Glob G(igg)/Pro/Iga 0-50brand: Hizentra | 37 | — |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 33 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 30 | 18 |
| Dupilumab |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,746 across 73 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
- 2006-07-28
- Last updated
- 2010-01-19
Frequently asked questions
- What is Darrell Wong's NPI number?
- Darrell Wong's National Provider Identifier (NPI) is 1265446686, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darrell Wong's specialty?
- Darrell Wong is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Darrell Wong located?
- Darrell Wong's practice location on file with NPPES is 705 S Dobson Rd, Chandler, AZ 85224-5657.
- What is Darrell Wong's phone number?
- The practice phone number listed in the NPPES registry for Darrell Wong is (480) 897-6992.
- Does Darrell Wong accept Medicare?
- Darrell Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darrell Wong's NPI active?
- Yes — Darrell Wong's NPI (1265446686) is active in the NPPES registry as of the last update on 2010-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.