Laura Ann Kooienga, MD
NPI 1457469058ActiveIndividual· Internal Medicine, Nephrology· Denver, CO
Internal Medicine, Nephrology (MD) in Denver, Colorado, trained at Wayne State University School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $352,571 for 81 claims, against $13,325 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 8 companies reporting payments in 2025, $20,102 in all, mostly consulting fees.
Overview
| NPI | 1457469058 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 25, 2006 |
| Last updated in NPPES | Jun 18, 2026 |
| Certified by provider | Jun 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 41271 | 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) | Enrolled Practitioner - Nephrology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 81 across 5 procedure codes |
| Paid by Medicare | $13,325 |
Part D prescriptions in 2024
| Prescriptions (claims) | 81 · 114 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $352,571 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Nephrology |
Medical group
- Denver Nephrologists PCDenver, CO · 47 clinicians
Industry payments (Open Payments)
- 2025$20,102 · 34 payments from 8 companies
- 2024$13,870 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $14,573 | 19 |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | $5,110 | 5 |
| Otsuka America Pharmaceutical, Inc. | $208.66 | 4 |
| Vertex Pharmaceuticals Incorporated | $83.65 | 1 |
| Calliditas Therapeutics US Inc. | $35.12 | 1 |
What the 2025 payments were for
- Consulting Fee$13,741 · 7 payments
- Travel and Lodging$5,434 · 7 payments
- Food and Beverage$926.85 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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