Kenneth C. Diamond, M.D.
NPI 1679543755ActiveIndividual· Family Medicine· Rapid City, SD
Family Medicine (M.D.) in Rapid City, South Dakota, trained at University of Nevada School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $194,762 for 2,848 claims, against $41,222 paid for services in 2024. Madrigal Pharmaceuticals reported $143.93 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1679543755 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 23, 2006 |
| Last updated in NPPES | Mar 13, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 4008 | SD |
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 - Family Practice (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 262 |
|---|---|
| Services billed | 474 across 28 procedure codes |
| Paid by Medicare | $41,222 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,848 · 4,074 30-day fills |
|---|---|
| Patients | 435 |
| Total drug cost | $194,762 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Nevada School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Family Practice |
Medical group
- Monument Health Rapid City Hospital IncRapid City, SD · 564 clinicians
Hospital affiliations
- Chadron HospitalChadron, NE
- Monument Health Rapid City HospitalRapid City, SD
- Monument Health Sturgis HospitalSturgis, SD
Other facilities
- Monument Health Home Plus HospiceHospice · Rapid City, SD
- Avantara Mountain ViewNursing home · Rapid City, SD
- Clarkson Health CareNursing home · Rapid City, SD
- Good Samaritan Society New UnderwoodNursing home · New Underwood, SD
- Westhills Village Health Care FacilityNursing home · Rapid City, SD
Industry payments (Open Payments)
- 2025$143.93 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $143.93 | 1 |
What the 2025 payments were for
- Food and Beverage$143.93 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 91 family medicine physicians in Rapid City · All family medicine physicians in South Dakota