Eiza L. Ching, MD
NPI 1740236298ActiveIndividual· Allergy & Immunology· Peoria, AZ
Allergy & Immunology (MD) with Arizona Asthma Allergy Legacy PLC, practicing in Peoria, Arizona. Their prescriptions cost Medicare Part D more than their services did: $1,469,170 for 3,628 claims, against $420,733 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 27 companies reporting payments in 2025, $2,592 in all, mostly food and beverage. Lists Banner Thunderbird Medical Center as a hospital affiliation.
Overview
| NPI | 1740236298 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 26, 2006 |
| Last updated in NPPES | Jul 1, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 42097 | AZ |
| Internal Medicine | 207R00000X | 35087447 | OH |
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 | 697 |
|---|---|
| Services billed | 24,939 across 42 procedure codes |
| Paid by Medicare | $420,733 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,628 · 6,888 30-day fills |
|---|---|
| Patients | 530 |
| Total drug cost | $1,469,170 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Arizona Asthma Allergy Legacy PLCAvondale, AZ · 17 clinicians
Hospital affiliation
- Banner Thunderbird Medical CenterGlendale, AZ
Industry payments (Open Payments)
- 2025$2,592 · 137 payments from 27 companies
- 2024$1,524 · 90 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $481.02 | 29 |
| Genzyme Corporation | $356.73 | 17 |
| Astrazeneca Pharmaceuticals LP | $255.90 | 22 |
| Novartis Pharmaceuticals Corporation | $173.72 | 9 |
| Csl Behring | $166.90 | 5 |
What the 2025 payments were for
- Food and Beverage$2,462 · 133 payments
- Education$76.99 · 1 payment
- Consulting Fee$52.74 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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