Douglas Aaron Rex, D.O.,
NPI 1912185661ActiveIndividual· Surgery· Marion, IN
Surgery (D.O.,) in Marion, Indiana, trained at University of Pikeville, Kentucky College of Osteopathic Med (class of 2003). In 2024 Medicare paid $75,409 for 245 patients, and Part D covered 334 of their prescriptions, 79% of them generic. Intuitive Surgical, Inc. reported $4,400 in payments in 2025, mostly education.
Overview
| NPI | 1912185661 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O., |
| Sole proprietor | No |
| NPI issued | Feb 5, 2008 |
| Last updated in NPPES | Oct 20, 2020 |
| Certified by provider | Oct 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 02003334B | IN |
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 - General Surgery (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 245 |
|---|---|
| Services billed | 545 across 72 procedure codes |
| Paid by Medicare | $75,409 |
Part D prescriptions in 2024
| Prescriptions (claims) | 334 · 351 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $13,542 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Pikeville, Kentucky College of Osteopathic Med |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | General Surgery |
Medical group
- Marion General HospitalMarion, IN · 115 clinicians
Hospital affiliation
- Marion General HospitalMarion, IN
Industry payments (Open Payments)
- 2025$4,400 · 19 payments from 1 company
- 2024$23.24 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $4,400 | 19 |
What the 2025 payments were for
- Education$2,500 · 1 payment
- Food and Beverage$1,439 · 15 payments
- Travel and Lodging$460.67 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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