Kent E. Ray, DO
NPI 1598754350ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Eau Claire, WI
Internal Medicine, Endocrinology, Diabetes & Metabolism (DO) with McHs Hospitals Inc and 2 other groups, practicing in Eau Claire, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $2,214,531 for 6,168 claims, against $63,629 paid for services in 2024. Dexcom, Inc. was the largest of 6 companies reporting payments in 2025, $567.47 in all, mostly food and beverage. Lists Marshfield Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1598754350 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Oct 14, 2005 |
| Last updated in NPPES | Nov 17, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 51744 | WI |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 03557 | IA |
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 | 499 |
|---|---|
| Services billed | 6,474 across 26 procedure codes |
| Paid by Medicare | $63,629 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,168 · 12,493 30-day fills |
|---|---|
| Patients | 677 |
| Total drug cost | $2,214,531 |
| Generic share | 44% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical groups
- McHs Hospitals IncMarshfield, WI · 1,197 clinicians
- Lakeview Medical Center Inc of Rice LakeRice Lake, WI · 168 clinicians
- Memorial Hospital IncNeillsville, WI · 41 clinicians
Hospital affiliations
- Marshfield Medical CenterMarshfield, WI
- Marshfield Medical Center - Eau ClaireEau Claire, WI
- Marshfield Medical Center - LadysmithLadysmith, WI
- Marshfield Medical Center - NeillsvilleNeillsville, WI
- Marshfield Medical Center - Rice LakeRice Lake, WI
Industry payments (Open Payments)
- 2025$567.47 · 27 payments from 6 companies
- 2024$360.52 · 13 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $434.52 | 21 |
| Lilly USA, LLC | $39.46 | 2 |
| Medtronic, Inc. | $35.03 | 1 |
| Amgen Inc. | $23.18 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $18.59 | 1 |
What the 2025 payments were for
- Food and Beverage$567.47 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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