Joseph Luckose Chatham, MD
Internal Medicine, Interventional Cardiology (MD) with Joseph L. Chatham, M.D. Ltd, practicing in Mesa, Arizona. Their prescriptions cost Medicare Part D more than their services did: $791,155 for 4,328 claims, against $131,808 paid for services in 2024. Heartflow, Inc. was the largest of 2 companies reporting payments in 2025, $74.12 in all, mostly food and beverage. Lists Banner Baywood Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1417973496 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 14, 2006 |
| Last updated in NPPES | Jan 7, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 15177 | AZ |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 15177 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 484 |
|---|---|
| Services billed | 1,879 across 42 procedure codes |
| Paid by Medicare | $131,808 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,328 · 11,388 30-day fills |
|---|---|
| Patients | 565 |
| Total drug cost | $791,155 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1969 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Joseph L. Chatham, M.D. LtdMesa, AZ · 2 clinicians
Hospital affiliations
- Banner Baywood Medical CenterMesa, AZ
- Banner Desert Medical CenterMesa, AZ
- Banner Heart HospitalMesa, AZ
Industry payments (Open Payments)
- 2025$74.12 · 2 payments from 2 companies
- 2024$98.17 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $47.59 | 1 |
| Novartis Pharmaceuticals Corporation | $26.53 | 1 |
What the 2025 payments were for
- Food and Beverage$74.12 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Interventional Cardiology providers in Arizona →