Darwin David Selwyn Jeyaraj, MD
NPI 1720180433ActiveIndividual· Internal Medicine, Interventional Cardiology· Joplin, MO
Internal Medicine, Interventional Cardiology (MD) with Freeman-Oak Hill Health System, practicing in Joplin, Missouri. Their prescriptions cost Medicare Part D more than their services did: $3,069,287 for 15,610 claims, against $542,599 paid for services in 2024. Abbott Laboratories was the largest of 6 companies reporting payments in 2025, $6,312 in all, mostly travel and lodging. Lists Freeman Health System - Freeman West and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1720180433 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 2, 2006 |
| Last updated in NPPES | Jul 28, 2025 |
| Certified by provider | Jul 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 2013015492 | MO |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 29757 | OK |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 2013015492 | MO |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 29757 | OK |
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 - Cardiovascular Disease (Cardiology) (MO); Practitioner - Cardiovascular Disease (Cardiology) (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,044 |
|---|---|
| Services billed | 8,808 across 179 procedure codes |
| Paid by Medicare | $542,599 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,610 · 29,690 30-day fills |
|---|---|
| Patients | 1,485 |
| Total drug cost | $3,069,287 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Freeman-Oak Hill Health SystemJoplin, MO · 394 clinicians
Hospital affiliations
- Freeman Health System - Freeman WestJoplin, MO
- Freeman Neosho HospitalNeosho, MO
- Integris Grove HospitalGrove, OK
- Integris Miami HospitalMiami, OK
- Labette HealthParsons, KS
Industry payments (Open Payments)
- 2025$6,312 · 38 payments from 6 companies
- 2024$5,886 · 47 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $2,777 | 8 |
| W. L. Gore & Associates, Inc. | $2,431 | 20 |
| Stryker Corporation | $721.06 | 4 |
| Boston Scientific Corporation | $328.34 | 4 |
| Shockwave Medical, Inc | $33.76 | 1 |
What the 2025 payments were for
- Travel and Lodging$5,171 · 15 payments
- Food and Beverage$1,141 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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