Enrique Arturo Valdivia, M.D.
NPI 1679504054ActiveIndividual· Specialist· Glendale, AZ
Specialist (M.D.) with Arizona Gastrointestinal Associates PLC, practicing in Glendale, Arizona. Their prescriptions cost Medicare Part D more than their services did: $1,033,632 for 2,163 claims, against $72,661 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 23 companies reporting payments in 2025, $5,480 in all, mostly food and beverage. Lists Abrazo Arrowhead Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1679504054 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 5, 2006 |
| Last updated in NPPES | Jan 20, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 35590 | 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 - Gastroenterology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 296 |
|---|---|
| Services billed | 771 across 37 procedure codes |
| Paid by Medicare | $72,661 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,163 · 3,673 30-day fills |
|---|---|
| Patients | 622 |
| Total drug cost | $1,033,632 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Arizona Gastrointestinal Associates PLCScottsdale, AZ · 36 clinicians
Hospital affiliations
- Abrazo Arrowhead HospitalGlendale, AZ
- Banner Thunderbird Medical CenterGlendale, AZ
Industry payments (Open Payments)
- 2025$5,480 · 176 payments from 23 companies
- 2024$5,150 · 172 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $1,516 | 32 |
| Abbvie Inc. | $500.30 | 21 |
| Janssen Biotech, Inc. | $470.73 | 13 |
| Takeda Pharmaceuticals U.S.A., Inc. | $407.75 | 13 |
| Pfizer Inc. | $350.78 | 22 |
What the 2025 payments were for
- Food and Beverage$5,420 · 174 payments
- Education$60.23 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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