Michael L. Shomaker, MD
NPI 1932276581ActiveIndividual· Internal Medicine, Nephrology· Thornton, CO
Internal Medicine, Nephrology (MD) in Thornton, Colorado, trained at University of Missouri, Columbia School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $200,575 for 958 claims, against $127,209 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 11 companies reporting payments in 2025, $19,796 in all, mostly speaking and faculty fees.
Overview
| NPI | 1932276581 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 29, 2006 |
| Last updated in NPPES | Jan 21, 2026 |
| Certified by provider | Jan 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 45401 | CO |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 234 |
|---|---|
| Services billed | 1,204 across 27 procedure codes |
| Paid by Medicare | $127,209 |
Part D prescriptions in 2024
| Prescriptions (claims) | 958 · 2,440 30-day fills |
|---|---|
| Patients | 176 |
| Total drug cost | $200,575 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Centura Health-St Anthony HospitalLakewood, CO
- HCA Healthone Mountain RidgeThornton, CO
- HCA Healthone Presbyterian St. LukesDenver, CO
- Intermountain Health Lutheran HospitalWheat Ridge, CO
- Intermountain Health Platte Valley HospitalBrighton, CO
Other facilities
- Davita Commerce City DialysisDialysis facility · Commerce City, CO
- Davita Platte Valley DialysisDialysis facility · Brighton, CO
Industry payments (Open Payments)
- 2025$19,796 · 31 payments from 11 companies
- 2024$20,260 · 36 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $18,346 | 12 |
| Lilly USA, LLC | $981.96 | 3 |
| Glaxosmithkline, LLC. | $168.73 | 3 |
| Amgen Inc. | $65.90 | 3 |
| Novartis Pharmaceuticals Corporation | $64.10 | 3 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$18,515 · 10 payments
- Travel and Lodging$718.20 · 1 payment
- Food and Beverage$563.14 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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