Kristen Irwin, M.D.
NPI 1225340987ActiveIndividual· Internal Medicine· Indianapolis, IN
Internal Medicine (M.D.) in Indianapolis, Indiana, trained at Indiana University School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $434,200 for 5,105 claims, against $66,587 paid for services in 2024. Exact Sciences Corporation was the largest of 12 companies reporting payments in 2025, $582.09 in all, mostly food and beverage.
Overview
| NPI | 1225340987 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 10, 2010 |
| Last updated in NPPES | Jun 22, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 11015993A | IN |
| Obstetrics & Gynecology | 207V00000X | 4301096586 | MI |
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 | 149 |
|---|---|
| Services billed | 1,124 across 37 procedure codes |
| Paid by Medicare | $66,587 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,105 · 12,055 30-day fills |
|---|---|
| Patients | 284 |
| Total drug cost | $434,200 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Hancock Physician Network LLCGreenfield, IN · 140 clinicians
Hospital affiliations
- Ascension St Vincent FishersFishers, IN
- Community Hospital NorthIndianapolis, IN
- Hancock Regional HospitalGreenfield, IN
Other facilities
- Community Health at Home LLCHome health agency · Indianapolis, IN
- Suburban Home Health LLCHome health agency · Noblesville, IN
Industry payments (Open Payments)
- 2025$582.09 · 32 payments from 12 companies
- 2024$341.29 · 19 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $95.84 | 6 |
| Novo Nordisk Inc | $87.77 | 4 |
| Astellas Pharma US Inc | $72.49 | 3 |
| Neurocrine Biosciences, Inc. | $66.49 | 3 |
| Amgen Inc. | $56.28 | 4 |
What the 2025 payments were for
- Food and Beverage$582.09 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 775 internal medicine physicians in Indianapolis · All internal medicine physicians in Indiana