Abigail Marie O'Brien, FNP-C
NPI 1770295818ActiveIndividual· Nurse Practitioner, Family· Traverse City, MI
Nurse Practitioner, Family (FNP-C) with Great Lakes Therapy Housecalls PC and 1 other group, practicing in Traverse City, Michigan. Their prescriptions cost Medicare Part D more than their services did: $286,155 for 2,337 claims, against $23,821 paid for services in 2024. Exact Sciences Corporation reported $24.95 in payments in 2025, mostly food and beverage. Lists Munson Medical Center as a hospital affiliation.
Overview
| NPI | 1770295818 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Dec 20, 2022 |
| Last updated in NPPES | Jul 6, 2024 |
| Certified by provider | Jul 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 4704306307 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 61 |
|---|---|
| Services billed | 318 across 14 procedure codes |
| Paid by Medicare | $23,821 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,337 · 2,679 30-day fills |
|---|---|
| Patients | 245 |
| Total drug cost | $286,155 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Great Lakes Therapy Housecalls PCTraverse City, MI · 73 clinicians
- Chronic Care Management LLCTraverse City, MI · 10 clinicians
Hospital affiliation
- Munson Medical CenterTraverse City, MI
Other facilities
- Great Lakes Home Healthcare Specialists LLCHome health agency · Traverse City, MI
- Munson Home CareHome health agency · Traverse City, MI
- Residential Home Health and HospiceHome health agency · Saginaw, MI
- Hospice of Mecosta CountyHospice · Big Rapids, MI
Industry payments (Open Payments)
- 2025$24.95 · 1 payment from 1 company
- 2024$15.46 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $24.95 | 1 |
What the 2025 payments were for
- Food and Beverage$24.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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