Charles Andrew Chacko, MD
NPI 1518301019ActiveIndividual· Internal Medicine, Hematology & Oncology· Phoenix, AZ
Internal Medicine, Hematology & Oncology (MD) with Yuma Regional Medical Center, practicing in Phoenix, Arizona. Their prescriptions cost Medicare Part D more than their services did: $1,874,993 for 806 claims, against $24,482 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 5 companies reporting payments in 2025, $2,491 in all, mostly consulting fees. Lists Trihealth Clinton Regional Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1518301019 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 26, 2013 |
| Last updated in NPPES | Jun 23, 2025 |
| Certified by provider | Jun 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 64884 | AZ |
| Internal Medicine | 207R00000X | 4301102344 | MI |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 51219 | KY |
| Internal Medicine | 207R00000X | 129436 | 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 - Hematology/Oncology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 116 |
|---|---|
| Services billed | 506 across 12 procedure codes |
| Paid by Medicare | $24,482 |
Part D prescriptions in 2024
| Prescriptions (claims) | 806 · 1,198 30-day fills |
|---|---|
| Patients | 123 |
| Total drug cost | $1,874,993 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Yuma Regional Medical CenterYuma, AZ · 361 clinicians
Hospital affiliations
- Trihealth Clinton Regional HospitalWilmington, OH
- Yuma Regional Medical CenterYuma, AZ
Other facilities
- Enhabit Home HealthHome health agency · Yuma, AZ
Industry payments (Open Payments)
- 2025$2,491 · 6 payments from 5 companies
- 2024$11,749 · 69 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $1,400 | 2 |
| Geron Corporation | $780.00 | 1 |
| Cardinal Health 110 LLC | $275.00 | 1 |
| Abbvie Inc. | $18.12 | 1 |
| Gilead Sciences, Inc. | $18.11 | 1 |
What the 2025 payments were for
- Consulting Fee$2,455 · 4 payments
- Food and Beverage$36.23 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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