John Palmer, DO
Internal Medicine, Endocrinology, Diabetes & Metabolism (DO) in Rapid City, South Dakota, trained at University of Missouri, Kansas City, School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $5,876,224 for 8,168 claims, against $137,851 paid for services in 2024. Dexcom, Inc. was the largest of 11 companies reporting payments in 2025, $3,757 in all, mostly compensation for serving as faculty or as a speaker for a me.
Overview
| NPI | 1063510691 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | Oct 31, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 7478 | SD |
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 (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 850 |
|---|---|
| Services billed | 2,903 across 15 procedure codes |
| Paid by Medicare | $137,851 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,168 · 17,082 30-day fills |
|---|---|
| Patients | 955 |
| Total drug cost | $5,876,224 |
| Generic share | 38% of claims |
Education and affiliations
| Medical school | University of Missouri, Kansas City, School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical groups
- Monument Health Rapid City Hospital IncRapid City, SD · 564 clinicians
- Monument Health Network IncSpearfish, SD · 160 clinicians
Hospital affiliations
- Monument Health Custer HospitalCuster, SD
- Monument Health Lead-Deadwood HospitalDeadwood, SD
- Monument Health Rapid City HospitalRapid City, SD
- Monument Health Spearfish HospitalSpearfish, SD
- Monument Health Sturgis HospitalSturgis, SD
Industry payments (Open Payments)
- 2025$3,757 · 51 payments from 11 companies
- 2024$8,066 · 23 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $2,683 | 3 |
| Medtronic, Inc. | $548.89 | 13 |
| Lilly USA, LLC | $151.48 | 9 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $143.03 | 13 |
| Novartis Pharmaceuticals Corporation | $67.59 | 4 |
What the 2025 payments were for
- Compensation for serving as faculty or as a speaker for a medical education program$2,681 · 2 payments
- Food and Beverage$793.85 · 48 payments
- Travel and Lodging$281.92 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Rapid City
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All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in South Dakota →