Surachai Amornsawadwattana, MD
NPI 1952666976ActiveIndividual· Internal Medicine, Gastroenterology· Saint Louis, MO
Internal Medicine, Gastroenterology (MD) with Washington University, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $158,170 for 1,052 claims, against $36,151 paid for services in 2024. Ardelyx, Inc. reported $122.09 in payments in 2024, mostly food and beverage. Lists Barnes Jewish Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1952666976 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 5, 2012 |
| Last updated in NPPES | Apr 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 2015038208 | MO |
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 - Gastroenterology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 229 |
|---|---|
| Services billed | 339 across 35 procedure codes |
| Paid by Medicare | $36,151 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,052 · 1,378 30-day fills |
|---|---|
| Patients | 258 |
| Total drug cost | $158,170 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Memorial HospitalBelleville, IL
- Missouri Baptist Medical CenterSaint Louis, MO
Industry payments (Open Payments)
- 2024$122.09 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $122.09 | 1 |
What the 2024 payments were for
- Food and Beverage$122.09 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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