Amber L. Flaherty, M.D.
NPI 1093008336ActiveIndividual· Internal Medicine, Medical Oncology· Phoenix, AZ
Internal Medicine, Medical Oncology (M.D.) with City of Hope Medical Group of Arizona LLC, practicing in Phoenix, Arizona. Their prescriptions cost Medicare Part D more than their services did: $3,439,370 for 1,467 claims, against $1,336,347 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 39 companies reporting payments in 2025, $2,087 in all, mostly food and beverage. Lists City of Hope Cancer Center Phoenix and 1 other hospital as hospital affiliations.
Overview
| NPI | 1093008336 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 19, 2011 |
| Last updated in NPPES | Sep 11, 2023 |
| Certified by provider | Sep 11, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 50181 | AZ |
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 - Medical Oncology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 355 |
|---|---|
| Services billed | 75,931 across 102 procedure codes |
| Paid by Medicare | $1,336,347 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,467 · 2,237 30-day fills |
|---|---|
| Patients | 199 |
| Total drug cost | $3,439,370 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- City of Hope Medical Group of Arizona LLCGoodyear, AZ · 160 clinicians
Hospital affiliations
- City of Hope Cancer Center PhoenixGoodyear, AZ
- Honor Health John C. Lincoln Medical CenterPhoenix, AZ
Industry payments (Open Payments)
- 2025$2,087 · 94 payments from 39 companies
- 2024$4,473 · 200 payments from 45 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $270.85 | 18 |
| Merck Sharp & Dohme LLC | $147.09 | 5 |
| Pfizer Inc. | $145.66 | 7 |
| Astrazeneca Pharmaceuticals LP | $116.42 | 5 |
| Abbvie Inc. | $105.29 | 5 |
What the 2025 payments were for
- Food and Beverage$2,087 · 94 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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