Katherine Tian, MD
NPI 1144888017ActiveIndividual· Internal Medicine· South Bend, IN
Internal Medicine (MD) in South Bend, Indiana, trained at University of Connecticut School of Medicine (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $554,084 for 7,273 claims, against $137,385 paid for services in 2024. Amgen Inc. was the largest of 8 companies reporting payments in 2025, $209.02 in all, mostly food and beverage.
Overview
| NPI | 1144888017 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 5, 2019 |
| Last updated in NPPES | Jun 22, 2022 |
| Certified by provider | Jun 22, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 01087789A | IN |
| Internal Medicine | 207R00000X | 125074042 | IL |
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 - Internal Medicine (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 281 |
|---|---|
| Services billed | 4,403 across 86 procedure codes |
| Paid by Medicare | $137,385 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,273 · 17,801 30-day fills |
|---|---|
| Patients | 537 |
| Total drug cost | $554,084 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Rci (Wrs) LLCOak Park, IL · 360 clinicians
- The South Bend Clinic LLCSouth Bend, IN · 175 clinicians
Hospital affiliations
- Lakeland Hospital, St JosephSt Joseph, MI
- Memorial Hospital of South BendSouth Bend, IN
- Saint Joseph Regional Medical CenterMishawaka, IN
Other facilities
- Elara CaringHome health agency · Kokomo, IN
Industry payments (Open Payments)
- 2025$209.02 · 12 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $59.69 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $33.94 | 2 |
| Insulet Corporation | $29.20 | 1 |
| Inspire Medical Systems, Inc. | $20.20 | 1 |
| Abbott Laboratories | $19.98 | 1 |
What the 2025 payments were for
- Food and Beverage$170.19 · 10 payments
- Long term medical supply or device loan$19.98 · 1 payment
- Education$18.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 62 internal medicine physicians in South Bend · All internal medicine physicians in Indiana