Active NPI
Haley Estabrook Acker, PA-C
- Physician Assistant
- Portland, ME
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- PA2108
- Practice address
- 22 Bramhall St
Portland, ME 04102-3134 - Phone
- (207) 662-2273
- Fax
- (207) 662-6324
- NPI assigned
- May 1, 2019
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | PA2108 | ME | Primary |
| Surgical Physician Assistant | 363AS0400X | 3553 | NH | |
| Surgical Physician Assistant | 363AS0400X | PA2108 | ME | |
| Physician Assistant | 363A00000X | 3553 | NH |
Addresses
Primary practice location
22 Bramhall St
Portland, ME 04102-3134
Mailing address
22 Bramhall St
Portland, ME 04102-3134
Phone (207) 662-2273
Other practice location 1
3073 White Mountain Hwy
North Conway, NH 03860-7101
Phone (603) 356-5461
Other practice location 2
335 Brighton Ave
Portland, ME 04102-2314
Phone (207) 662-0111
Other practice location 3
1 Medical Center Dr
Biddeford, ME 04005-9422
Phone (207) 294-5000
Other practice location 4
1976 White Mountain Hwy Ste 105
North Conway, NH 03860-5147
Phone (603) 356-4940
Other practice location 5
25 June St
Sanford, ME 04073-2621
Phone (207) 490-7450
Other names 1
- Haley Acker
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in ME, NH
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20201105002195 | ME | Practitioner - Physician Assistant | 6305256173 | Reassigns benefits to 1 organization |
| I20260120000547 | NH | Practitioner - Physician Assistant | 6305256173 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Mainehealth New Hampshire Ambulatory CareMainehealth
Practice addresses (Care Compare)
1976 White Mountain Hwy
Suite 105
North Conway, NH 03860-5147
Phone (603) 356-4940
22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905
335 Brighton Ave
Portland, ME 04102-2363
Phone (207) 662-8000
Hospital & facility affiliations
- Mainehealth Maine Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 97.93 of 100
- Quality
- 83.31
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 3553 | NH | MD | Pharmacist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mainehealth | Current | Accepting new patients | |
| Mainehealth New Hampshire Ambulatory Care | Current | Accepting new patients | |
| Mainehealth | Current | Accepting new patients |
Locations
22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179
1976 White Mountain Hwy
Ste 105
North Conway, NH 03860
Phone (603) 356-4940
Interoperability endpoints
- hacker318975@direct.mmc.mainehealth.org
Organizations & group practices 5
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Urgent Care Clinic/Center
- North Conway, NH
- NPI 1356145148
NH
-
- Ambulance
- North Conway, NH
- NPI 1932902723
-
- Community/Retail Pharmacy
- Portland, ME
- NPI 1013868181
-
- Internal Medicine Physician
- Cape Elizabeth, ME
- NPI 1619281698
Hospital & facility affiliations 36
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1556668800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782345600000",
"number": "1972167377",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "22 BRAMHALL ST",
"city": "PORTLAND",
"state": "ME",
"postal_code": "041023134",
"telephone_number": "207-662-2273",
"fax_number": "207-662-6324"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "22 BRAMHALL ST",
"city": "PORTLAND",
"state": "ME",
"postal_code": "041023134",
"telephone_number": "207-662-2273",
"fax_number": "207-662-6324"
}
],
"practiceLocations": [
{
"address_1": "3073 White Mountain Hwy",
"address_purpose": "LOCATION",
"city": "North Conway",
"state": "NH",
"postal_code": "038607101",
"country_code": "US",
"telephone_number": "603-356-5461",
"fax_number": "603-356-9048",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "335 Brighton Ave",
"address_purpose": "LOCATION",
"city": "Portland",
"state": "ME",
"postal_code": "041022314",
"country_code": "US",
"telephone_number": "207-662-0111",
"fax_number": "207-662-8133",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1 Medical Center Dr",
"address_purpose": "LOCATION",
"city": "Biddeford",
"state": "ME",
"postal_code": "040059422",
"country_code": "US",
"telephone_number": "207-294-5000",
"fax_number": "207-294-5227",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1976 White Mountain Hwy Ste 105",
"address_purpose": "LOCATION",
"city": "North Conway",
"state": "NH",
"postal_code": "038605147",
"country_code": "US",
"telephone_number": "603-356-4940",
"fax_number": "603-371-3250",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "25 June St",
"address_purpose": "LOCATION",
"city": "Sanford",
"state": "ME",
"postal_code": "040732621",
"country_code": "US",
"telephone_number": "207-490-7450",
"fax_number": "207-490-7452",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ACKER",
"first_name": "HALEY",
"middle_name": "ESTABROOK",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2019-05-01",
"last_updated": "2026-06-25",
"certification_date": "2026-06-25",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "ME",
"license": "PA2108",
"primary": true
},
{
"code": "363AS0400X",
"taxonomy_group": "",
"desc": "Physician Assistant, Surgical",
"state": "NH",
"license": "3553",
"primary": false
},
{
"code": "363AS0400X",
"taxonomy_group": "",
"desc": "Physician Assistant, Surgical",
"state": "ME",
"license": "PA2108",
"primary": false
},
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "NH",
"license": "3553",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "HALEY",
"last_name": "ACKER",
"credential": "PA",
"code": "5",
"type": "Other Name"
}
]
}
Other providers in Portland, ME
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.