Kornpong Vantanasiri, M.D.
NPI 1437640489ActiveIndividual· Internal Medicine, Gastroenterology· Mankato, MN
Internal Medicine, Gastroenterology (M.D.) with Mayo Clinic and 1 other group, practicing in Mankato, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $7,777 for 104 claims, against $3,932 paid for services in 2024. Boston Scientific Corporation reported $2,030 in payments in 2025, mostly travel and lodging. Lists Mayo Clinic Health System - Mankato and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1437640489 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 25, 2018 |
| Last updated in NPPES | Nov 3, 2026 |
| Certified by provider | Nov 3, 2026 |
| Reactivated | Feb 18, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 69207 | MN |
| Internal Medicine, Gastroenterology | 207RG0100X | 88061 | WI |
| Internal Medicine, Gastroenterology | 207RG0100X | 72502 | AZ |
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 (AZ); Practitioner - Gastroenterology (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 35 across 9 procedure codes |
| Paid by Medicare | $3,932 |
Part D prescriptions in 2024
| Prescriptions (claims) | 104 · 136 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $7,777 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Mayo ClinicRochester, MN · 4,956 clinicians
- Mayo Clinic Health System-Southwest Minnesota RegionMankato, MN · 661 clinicians
Hospital affiliations
- Mayo Clinic Health System - MankatoMankato, MN
- Mayo Clinic Health System - WasecaWaseca, MN
- Mayo Clinic HospitalPhoenix, AZ
- Mayo Clinic Hospital RochesterRochester, MN
Industry payments (Open Payments)
- 2025$2,030 · 9 payments from 1 company
- 2024$2,985 · 17 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $2,030 | 9 |
What the 2025 payments were for
- Travel and Lodging$1,355 · 5 payments
- Food and Beverage$675.31 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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