Demi Louise O'Brien, MD
NPI 1700409828ActiveIndividual· Family Medicine· Grimes, IA
Family Medicine (MD) with Greater Regional Medical Center, practicing in Grimes, Iowa. Their prescriptions cost Medicare Part D more than their services did: $34,093 for 523 claims, against $15,428 paid for services in 2024. Lists Adair County Memorial Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1700409828 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 22, 2020 |
| Last updated in NPPES | Sep 21, 2026 |
| Certified by provider | Sep 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD-50804 | IA |
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 - Family Practice (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 63 |
|---|---|
| Services billed | 256 across 32 procedure codes |
| Paid by Medicare | $15,428 |
Part D prescriptions in 2024
| Prescriptions (claims) | 523 · 1,039 30-day fills |
|---|---|
| Patients | 68 |
| Total drug cost | $34,093 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Greater Regional Medical CenterCreston, IA · 54 clinicians
Hospital affiliations
- Adair County Memorial HospitalGreenfield, IA
- Greater Regional Medical CenterCreston, IA
Other facilities
- EverystepHome health agency · Creston, IA
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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