Melissa Dakkak, DO
Internal Medicine, Cardiovascular Disease (DO) with Tmc Medical Network and 2 other groups, practicing in Tucson, Arizona. Their prescriptions cost Medicare Part D more than their services did: $705,868 for 3,758 claims, against $107,033 paid for services in 2024. Medtronic, Inc. was the largest of 5 companies reporting payments in 2025, $360.58 in all, mostly food and beverage. Lists St. Mary's Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1932543774 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 23, 2013 |
| Last updated in NPPES | Nov 27, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 8060 | 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 - Cardiovascular Disease (Cardiology) (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 482 |
|---|---|
| Services billed | 1,462 across 35 procedure codes |
| Paid by Medicare | $107,033 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,758 · 10,180 30-day fills |
|---|---|
| Patients | 563 |
| Total drug cost | $705,868 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Tmc Medical NetworkTucson, AZ · 281 clinicians
- Tucson Physician Group Holdings LLCTucson, AZ · 201 clinicians
- TmconeGreen Valley, AZ · 96 clinicians
Hospital affiliations
- St. Mary's HospitalTucson, AZ
- Tucson Medical CenterTucson, AZ
Industry payments (Open Payments)
- 2025$360.58 · 6 payments from 5 companies
- 2024$543.71 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $165.13 | 1 |
| Terumo Medical Corporation | $87.44 | 1 |
| Boston Scientific Corporation | $50.12 | 1 |
| Abbott Laboratories | $46.66 | 2 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $11.23 | 1 |
What the 2025 payments were for
- Food and Beverage$360.58 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Cardiovascular Disease providers in Arizona →