Tony Thien Tang, M. D.
NPI 1417040114ActiveIndividual· Internal Medicine, Geriatric Medicine· St. Louis, MO
Internal Medicine, Geriatric Medicine (M. D.) with Geromed LLC, practicing in St. Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $1,433,737 for 19,413 claims, against $157,471 paid for services in 2024. Integra Lifesciences Corporation reported $127.78 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1417040114 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M. D. |
| Sole proprietor | Yes |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 2003024222 | 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 - Geriatric Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 300 |
|---|---|
| Services billed | 2,036 across 13 procedure codes |
| Paid by Medicare | $157,471 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19,413 · 21,395 30-day fills |
|---|---|
| Patients | 488 |
| Total drug cost | $1,433,737 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Geriatric Medicine |
| Secondary specialties | Internal Medicine |
Medical group
- Geromed LLCSaint Louis, MO · 2 clinicians
Other facilities
- Breeze Hospice of MissouriHospice · Ballwin, MO
- Mercy HospiceHospice · Saint Louis, MO
- Pathways Hospice and Palliative CareHospice · Chesterfield, MO
- Three Oaks HospiceHospice · Creve Coeur, MO
- Vitas Healthcare Corporation MidwestHospice · Saint Louis, MO
- Blue Circle Rehab and NursingNursing home · Saint Louis, MO
- Delmar Gardens of ChesterfieldNursing home · Chesterfield, MO
- Fountain Care at Sunset HillsNursing home · Saint Louis, MO
- Heritage Care CenterNursing home · Saint Louis, MO
- Quarters at Des Peres, theNursing home · Des Peres, MO
Industry payments (Open Payments)
- 2025$127.78 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Integra Lifesciences Corporation | $127.78 | 1 |
What the 2025 payments were for
- Food and Beverage$127.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records