Andrew S. Pierson, MD
NPI 1992760664ActiveIndividual· Internal Medicine, Hematology & Oncology· Boise, ID
Internal Medicine, Hematology & Oncology (MD) in Boise, Idaho, trained at Jefferson Medical College of Thomas Jefferson University (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $3,790,723 for 1,574 claims, against $67,335 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 15 companies reporting payments in 2025, $698.45 in all, mostly food and beverage.
Overview
| NPI | 1992760664 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 18, 2006 |
| Last updated in NPPES | May 22, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | M9093 | ID |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (ID); Practitioner - Internal Medicine (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 439 |
|---|---|
| Services billed | 928 across 16 procedure codes |
| Paid by Medicare | $67,335 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,574 · 2,222 30-day fills |
|---|---|
| Patients | 306 |
| Total drug cost | $3,790,723 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Saint Alphonsus Regional Medical Center IncBoise, ID · 680 clinicians
Hospital affiliations
- Saint Alphonsus Medical Center - NampaNampa, ID
- Saint Alphonsus Medical Center OntarioOntario, OR
- Saint Alphonsus Regional Medical CenterBoise, ID
- St Luke's Regional Medical CenterBoise, ID
- St. Alphonsus Medical Center - Baker CityBaker City, OR
Industry payments (Open Payments)
- 2025$698.45 · 24 payments from 15 companies
- 2024$1,215 · 46 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $225.89 | 4 |
| Genentech USA, Inc. | $68.10 | 3 |
| Celgene Corporation | $68.07 | 3 |
| Genentech, Inc. | $53.45 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $46.05 | 2 |
What the 2025 payments were for
- Food and Beverage$645.00 · 23 payments
- Education$53.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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