Juan Carlos Ruben Ruiz Diaz, M.D.
NPI 1790192672ActiveIndividual· Internal Medicine, Cardiovascular Disease· Poplar Bluff, MO
Internal Medicine, Cardiovascular Disease (M.D.) with Poplar Bluff Hma Physician Management, LLC, practicing in Poplar Bluff, Missouri. Their prescriptions cost Medicare Part D more than their services did: $636,363 for 5,516 claims, against $130,603 paid for services in 2024. Shockwave Medical, Inc was the largest of 2 companies reporting payments in 2025, $98.46 in all, mostly food and beverage. Lists Mercy Hospital Stoddard and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1790192672 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 12, 2014 |
| Last updated in NPPES | Nov 9, 2021 |
| Certified by provider | Nov 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 2021036284 | MO |
| Internal Medicine | 207R00000X | 290770 | NY |
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) (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 842 |
|---|---|
| Services billed | 2,097 across 52 procedure codes |
| Paid by Medicare | $130,603 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,516 · 10,125 30-day fills |
|---|---|
| Patients | 553 |
| Total drug cost | $636,363 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Poplar Bluff Hma Physician Management, LLCPoplar Bluff, MO · 43 clinicians
Hospital affiliations
- Mercy Hospital StoddardDexter, MO
- Missouri Delta Medical CenterSikeston, MO
- Poplar Bluff Regional Medical CenterPoplar Bluff, MO
- Saint Francis Medical CenterCape Girardeau, MO
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$98.46 · 2 payments from 2 companies
- 2024$128.47 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shockwave Medical, Inc | $76.79 | 1 |
| Abbott Laboratories | $21.67 | 1 |
What the 2025 payments were for
- Food and Beverage$98.46 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Poplar Bluff
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All Internal Medicine, Cardiovascular Disease providers in Missouri →