San Thida, MD
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Gundersen Lutheran Medical Center Inc and 1 other group, practicing in La Crosse, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $1,081,650 for 2,999 claims, against $44,051 paid for services in 2024. Dexcom, Inc. was the largest of 2 companies reporting payments in 2025, $227.17 in all, mostly food and beverage. Lists Crossing Rivers Health Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1063643195 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 6, 2009 |
| Last updated in NPPES | Jun 16, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 57236 | WI |
| Internal Medicine | 207R00000X | P24261 | MD |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Endocrinology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 287 |
|---|---|
| Services billed | 851 across 25 procedure codes |
| Paid by Medicare | $44,051 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,999 · 6,700 30-day fills |
|---|---|
| Patients | 363 |
| Total drug cost | $1,081,650 |
| Generic share | 43% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
- Gundersen Clinic LtdOnalaska, WI · 418 clinicians
Hospital affiliations
- Crossing Rivers Health Medical CenterPrairie Du Chien, WI
- Gundersen Lutheran Medical CenterLa Crosse, WI
- Gundersen Palmer Lutheran Hospital and ClinicsWest Union, IA
- Gundersen St Josephs Hospital and ClinicsHillsboro, WI
- Mile Bluff Medical CenterMauston, WI
Industry payments (Open Payments)
- 2025$227.17 · 2 payments from 2 companies
- 2024$144.11 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $115.27 | 1 |
| Ascendis Pharma Endocrinology Inc | $111.90 | 1 |
What the 2025 payments were for
- Food and Beverage$227.17 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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