Karen M. Lochhead, MD
NPI 1275524761ActiveIndividual· Internal Medicine, Nephrology· Thornton, CO
Internal Medicine, Nephrology (MD) in Thornton, Colorado, trained at University of Virginia School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $189,908 for 657 claims, against $65,764 paid for services in 2024.
Overview
| NPI | 1275524761 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 2, 2005 |
| Last updated in NPPES | Jul 28, 2025 |
| Certified by provider | Jul 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 39339 | 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 - Internal Medicine (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 873 across 23 procedure codes |
| Paid by Medicare | $65,764 |
Part D prescriptions in 2024
| Prescriptions (claims) | 657 · 1,780 30-day fills |
|---|---|
| Patients | 108 |
| Total drug cost | $189,908 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Denver Nephrologists PCDenver, CO · 47 clinicians
Hospital affiliations
- Boulder Community HealthBoulder, CO
- HCA Healthone Mountain RidgeThornton, CO
- Intermountain Health Platte Valley HospitalBrighton, CO
- Longs Peak HospitalLongmont, CO
- Saint Joseph HospitalDenver, CO
Other facilities
- Davita Longmont Dialysis CenterDialysis facility · Longmont, CO
- Davita Loveland Central DialysisDialysis facility · Loveland, CO
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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