Nathan Carpenter, MD
NPI 1083025548ActiveIndividual· Ophthalmology· Mankato, MN
Ophthalmology (MD) in Mankato, Minnesota, trained at University of North Dakota School of Medicine (class of 2014). In 2024 Medicare paid $368,728 for 1,157 patients, and Part D covered 2,443 of their prescriptions, 62% of them generic. Alcon Vision LLC was the largest of 4 companies reporting payments in 2025, $216.49 in all, mostly food and beverage.
Overview
| NPI | 1083025548 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 17, 2014 |
| Last updated in NPPES | Jan 3, 2025 |
| Certified by provider | Jan 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 65076 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,157 |
|---|---|
| Services billed | 2,989 across 49 procedure codes |
| Paid by Medicare | $368,728 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,443 · 3,954 30-day fills |
|---|---|
| Patients | 589 |
| Total drug cost | $128,154 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | University of North Dakota School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Ophthalmology |
Medical group
- Ophthalmology Associates of Mankato PAMankato, MN · 3 clinicians
Hospital affiliations
- Mayo Clinic Health System - MankatoMankato, MN
- Mayo Clinic Health System - WasecaWaseca, MN
- New Ulm Medical CenterNew Ulm, MN
- River's Edge Hospital & ClinicSt Peter, MN
Industry payments (Open Payments)
- 2025$216.49 · 6 payments from 4 companies
- 2024$105.32 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $159.80 | 3 |
| Abbvie Inc. | $22.99 | 1 |
| Amgen Inc. | $19.45 | 1 |
| Tarsus Pharmaceuticals, Inc. | $14.25 | 1 |
What the 2025 payments were for
- Food and Beverage$216.49 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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