Haley Estabrook Acker, PA-C
NPI 1972167377ActiveIndividual· Physician Assistant· Portland, ME
Physician Assistant (PA-C) with Mainehealth and 1 other group, practicing in Portland, Maine. 83 Medicare patients in 2024, $6,182 paid; nearly all of their 161 Part D prescriptions were generic (94%). Lists Mainehealth Maine Medical Center as a hospital affiliation.
Overview
| NPI | 1972167377 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | May 1, 2019 |
| Last updated in NPPES | Jun 25, 2026 |
| Certified by provider | Jun 25, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA2108 | ME |
| Physician Assistant, Surgical | 363AS0400X | 3553 | NH |
| Physician Assistant, Surgical | 363AS0400X | PA2108 | ME |
| Physician Assistant | 363A00000X | 3553 | NH |
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 - Physician Assistant (ME); Practitioner - Physician Assistant (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 83 |
|---|---|
| Services billed | 86 across 15 procedure codes |
| Paid by Medicare | $6,182 |
Part D prescriptions in 2024
| Prescriptions (claims) | 161 · 163 30-day fills |
|---|---|
| Patients | 125 |
| Total drug cost | $2,030 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- MainehealthPortland, ME · 2,633 clinicians
- Mainehealth New Hampshire Ambulatory CareNorth Conway, NH · 7 clinicians
Hospital affiliation
- Mainehealth Maine Medical CenterPortland, ME
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant providers in Portland
- 1821837469
- 1134014616
- 1487377842
- 1487291050
- 1093352718
- 1821668005
- 1679046700
- 1346177086
- 1770147175
- 1316352362
- 1770533713
- 1245280981