Twan Phanijphand, D.O.
NPI 1790806248ActiveIndividual· Internal Medicine, Gastroenterology· Fort Walton Beach, FL
Internal Medicine, Gastroenterology (D.O.) with Emerald Coast Infectious Diseases Medical Group, P.A., practicing in Fort Walton Beach, Florida. Their prescriptions cost Medicare Part D more than their services did: $519,532 for 676 claims, against $157,071 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 8 companies reporting payments in 2025, $403.07 in all, mostly food and beverage. Lists HCA Florida Fort Walton-Destin Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1790806248 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 3, 2007 |
| Last updated in NPPES | Jul 22, 2025 |
| Certified by provider | Jul 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | OS16137 | FL |
| Internal Medicine, Gastroenterology | 207RG0100X | 5101015350 | MI |
| Internal Medicine, Gastroenterology | 207RG0100X | 2010014123 | MO |
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 - Gastroenterology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 630 |
|---|---|
| Services billed | 1,919 across 49 procedure codes |
| Paid by Medicare | $157,071 |
Part D prescriptions in 2024
| Prescriptions (claims) | 676 · 1,223 30-day fills |
|---|---|
| Patients | 162 |
| Total drug cost | $519,532 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| 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$403.07 · 24 payments from 8 companies
- 2024$499.38 · 26 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $106.38 | 10 |
| Aimmune Therapeutics, Inc. | $83.11 | 4 |
| Abbvie Inc. | $51.09 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $45.82 | 2 |
| Janssen Biotech, Inc. | $39.19 | 2 |
What the 2025 payments were for
- Food and Beverage$403.07 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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