Eileen Chang, D.O.
NPI 1063529196ActiveIndividual· Family Medicine· Chandler, AZ
Family Medicine (D.O.) in Chandler, Arizona, licensed in AZ and IL, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $205,594 for 1,631 claims, against $25,463 paid for services in 2024. Novo Nordisk Inc was the largest of 17 companies reporting payments in 2025, $876.17 in all, mostly food and beverage. Lists Chandler Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1063529196 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 24, 2006 |
| Last updated in NPPES | Mar 18, 2024 |
| Certified by provider | Mar 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 4612 | AZ |
| Family Medicine | 207Q00000X | 036-107044 | IL |
| Preventive Medicine, Preventive Medicine/Occupational Environmental Medicine | 2083P0500X | 4612 | AZ |
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 - Family Practice (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 69 |
|---|---|
| Services billed | 326 across 22 procedure codes |
| Paid by Medicare | $25,463 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,631 · 3,784 30-day fills |
|---|---|
| Patients | 213 |
| Total drug cost | $205,594 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Family Practice |
Hospital affiliation
- Chandler Regional Medical CenterChandler, AZ
Industry payments (Open Payments)
- 2025$876.17 · 47 payments from 17 companies
- 2024$1,085 · 70 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $184.84 | 12 |
| Glaxosmithkline, LLC. | $119.99 | 5 |
| Pfizer Inc. | $89.40 | 5 |
| Dexcom, Inc. | $59.30 | 3 |
| Novartis Pharmaceuticals Corporation | $54.03 | 2 |
What the 2025 payments were for
- Food and Beverage$876.17 · 47 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 167 family medicine physicians in Chandler · All family medicine physicians in Arizona