Otis R. Barnum, DO
NPI 1245224559ActiveIndividual· Internal Medicine· Natchitoches, LA
Internal Medicine (DO) in Natchitoches, Louisiana, licensed in LA, with an NPI issued in September 2005. Their prescriptions cost Medicare Part D more than their services did: $615,675 for 8,322 claims, against $134,368 paid for services in 2024. Pfizer Inc. was the largest of 8 companies reporting payments in 2024, $230.13 in all, mostly food and beverage.
Overview
| NPI | 1245224559 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Sep 1, 2005 |
| Last updated in NPPES | Aug 16, 2021 |
| Certified by provider | Aug 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 018855 | LA |
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 - Internal Medicine (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 371 |
|---|---|
| Services billed | 5,930 across 44 procedure codes |
| Paid by Medicare | $134,368 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,322 · 13,718 30-day fills |
|---|---|
| Patients | 490 |
| Total drug cost | $615,675 |
| Generic share | 89% of claims |
Industry payments (Open Payments)
- 2024$230.13 · 12 payments from 8 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $53.34 | 3 |
| Abbvie Inc. | $44.82 | 2 |
| Novo Nordisk Inc | $34.23 | 2 |
| Mylan Specialty L.P. | $24.28 | 1 |
| Paratek Pharmaceuticals, Inc. | $22.83 | 1 |
What the 2024 payments were for
- Food and Beverage$230.13 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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