Mark O. Herring, MD
NPI 1689636284ActiveIndividual· Psychiatry & Neurology, Neurology· Springfield, OR
Psychiatry & Neurology, Neurology (MD) in Springfield, Oregon, trained at Geisel School of Medicine at Dartmouth (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $515,444 for 1,816 claims, against $43,619 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $183.43 in all, mostly food and beverage.
Overview
| NPI | 1689636284 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 6, 2006 |
| Last updated in NPPES | Apr 26, 2021 |
| Certified by provider | Apr 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | MD14992 | OR |
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 - Neurology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 137 |
|---|---|
| Services billed | 611 across 5 procedure codes |
| Paid by Medicare | $43,619 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,816 · 2,832 30-day fills |
|---|---|
| Patients | 267 |
| Total drug cost | $515,444 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Geisel School of Medicine at Dartmouth |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Neurology Associates Eugene-Springfield PCSpringfield, OR · 9 clinicians
Hospital affiliations
- Mercy Medical CenterRoseburg, OR
- Peace Harbor Medical CenterFlorence, OR
- Sacred Heart Medical Center - RiverbendSpringfield, OR
Industry payments (Open Payments)
- 2025$183.43 · 9 payments from 4 companies
- 2024$195.95 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $86.00 | 4 |
| Novartis Pharmaceuticals Corporation | $57.23 | 3 |
| Lundbeck LLC | $20.43 | 1 |
| Pfizer Inc. | $19.77 | 1 |
What the 2025 payments were for
- Food and Beverage$183.43 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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