John Palmer Berdahl, M.D.
NPI 1871761577ActiveIndividual· Ophthalmology· Sioux Falls, SD
Ophthalmology (M.D.) in Sioux Falls, South Dakota, trained at Mayo Medical School (class of 2004). Mostly services rather than prescriptions: Medicare paid $657,523 for 855 patients in 2024, with only 18 Part D claims. Alcon Vision LLC was the largest of 12 companies reporting payments in 2025, $134,175 in all, mostly consulting fees.
Overview
| NPI | 1871761577 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 15, 2008 |
| Last updated in NPPES | May 21, 2024 |
| Certified by provider | May 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 7529 | SD |
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 (MT); Practitioner - Ophthalmology (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 855 |
|---|---|
| Services billed | 2,729 across 45 procedure codes |
| Paid by Medicare | $657,523 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18 · 19 30-day fills |
|---|---|
| Total drug cost | $901.48 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Mayo Medical School |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Ophthalmology |
Medical group
- Vance Thompson Vision Clinic Prof LLCSioux Falls, SD · 45 clinicians
Industry payments (Open Payments)
- 2025$134,175 · 94 payments from 12 companies
- 2024$198,406 · 99 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $63,703 | 41 |
| Alcon Research LLC | $35,943 | 10 |
| Glaukos Corporation | $30,057 | 17 |
| Abbvie Inc. | $2,237 | 8 |
| Tarsus Pharmaceuticals, Inc. | $1,717 | 5 |
What the 2025 payments were for
- Consulting Fee$85,879 · 40 payments
- Royalty or License$24,000 · 1 payment
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$18,000 · 1 payment
- Travel and Lodging$3,467 · 4 payments
- Food and Beverage$2,829 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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