Kathryn O'Day, M.D.
NPI 1104976778ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Coon Rapids, MN
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Coon Rapids, Minnesota, trained at University of Minnesota Medical School (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $2,760,359 for 5,710 claims, against $58,644 paid for services in 2024. Ascendis Pharma Endocrinology Inc was the largest of 8 companies reporting payments in 2025, $345.32 in all, mostly food and beverage.
Overview
| NPI | 1104976778 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 12, 2007 |
| Last updated in NPPES | Nov 10, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 52694 | MN |
| Internal Medicine | 207R00000X | 232298 | MA |
| Student in an Organized Health Care Education/Training Program | 390200000X | 248338-1 | NY |
| Internal Medicine | 207R00000X | 248338-1 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 303 |
|---|---|
| Services billed | 916 across 8 procedure codes |
| Paid by Medicare | $58,644 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,710 · 12,969 30-day fills |
|---|---|
| Patients | 638 |
| Total drug cost | $2,760,359 |
| Generic share | 40% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Intermountain Medical Group Denver LLCBroomfield, CO · 568 clinicians
Hospital affiliations
- Good Samaritan Medical Center LLCLafayette, CO
- Intermountain Health Lutheran HospitalWheat Ridge, CO
- Intermountain Health Platte Valley HospitalBrighton, CO
- Saint Joseph HospitalDenver, CO
Industry payments (Open Payments)
- 2025$345.32 · 11 payments from 8 companies
- 2024$447.04 · 19 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ascendis Pharma Endocrinology Inc | $140.33 | 2 |
| Dexcom, Inc. | $43.20 | 2 |
| Mannkind Corporation | $42.50 | 1 |
| Beta Bionics, Inc. | $40.77 | 2 |
| Abbott Laboratories | $26.83 | 1 |
What the 2025 payments were for
- Food and Beverage$302.82 · 10 payments
- Education$42.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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