Lars E. Peterson, MD
NPI 1023110640ActiveIndividual· Internal Medicine· Laramie, WY
Internal Medicine (MD) in Laramie, Wyoming, trained at Creighton University School of Medicine (class of 2000). Mostly services rather than prescriptions: Medicare paid $29,240 for 479 patients in 2024, with only 46 Part D claims.
Overview
| NPI | 1023110640 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 3, 2006 |
| Last updated in NPPES | Oct 31, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 6962A | WY |
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 - Internal Medicine (WY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 479 |
|---|---|
| Services billed | 825 across 23 procedure codes |
| Paid by Medicare | $29,240 |
Part D prescriptions in 2024
| Prescriptions (claims) | 46 · 58 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $4,685 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Internal Medicine |
Medical group
- Ivinson Memorial HospitalLaramie, WY · 63 clinicians
Hospital affiliations
- Ivinson Memorial HospitalLaramie, WY
- Medical Center of the RockiesLoveland, 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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