Walter Clifford Rustmann, DO
NPI 1235116054ActiveIndividual· Internal Medicine· Fort Walton Beach, FL
Internal Medicine (DO) in Fort Walton Beach, Florida, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 2016). In 2024 Medicare paid $118,181 for 553 patients, and Part D covered 125 of their prescriptions, 58% of them generic. Lilly USA, LLC was the largest of 14 companies reporting payments in 2025, $549.68 in all, mostly food and beverage.
Overview
| NPI | 1235116054 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Dec 22, 2005 |
| Last updated in NPPES | Jan 16, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OS13675 | FL |
| Internal Medicine, Critical Care Medicine | 207RC0200X | OS13675 | FL |
| Internal Medicine, Pulmonary Disease | 207RP1001X | M0250 | TX |
| Internal Medicine, Pulmonary Disease | 207RP1001X | OS13675 | FL |
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 - Critical Care (Intensivists) (AL); Practitioner - Critical Care (Intensivists) (FL); Practitioner - Pulmonary Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 553 |
|---|---|
| Services billed | 1,168 across 42 procedure codes |
| Paid by Medicare | $118,181 |
Part D prescriptions in 2024
| Prescriptions (claims) | 125 · 240 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $46,998 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Emerald Coast Infectious Diseases Medical Group, P.A.Fort Walton Beach, FL · 36 clinicians
Hospital affiliations
- HCA Florida Fort Walton-Destin HospitalFort Walton Beach, FL
- HCA Florida Twin Cities HospitalNiceville, FL
Industry payments (Open Payments)
- 2025$549.68 · 25 payments from 14 companies
- 2024$642.95 · 33 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $105.96 | 2 |
| Glaxosmithkline, LLC. | $88.54 | 4 |
| Verona Pharma, Inc. | $61.64 | 3 |
| Electromed, Inc. | $52.43 | 6 |
| Avadel Cns Pharmaceuticals, LLC | $31.90 | 1 |
What the 2025 payments were for
- Food and Beverage$549.68 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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