NPIMap

Individual provider Active NPI

Haley Estabrook Acker, PA-C

  • Physician Assistant
  • Portland, ME
National Provider Identifier
1972167377
Registry record updated Jun 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA2108 Issued in ME
Practice address
22 Bramhall St
Portland, ME 04102-3134
Phone
(207) 662-2273
Fax
(207) 662-6324
NPI assigned
May 1, 2019
Last updated
Jun 25, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 25, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA2108 ME Primary
Physician Assistant 363A00000X 3553 NH
Surgical Physician Assistant 363AS0400X 3553 NH
Surgical Physician Assistant 363AS0400X PA2108 ME

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

1 Medical Center Dr
Biddeford, ME 04005-9422
Phone (207) 294-5000

Other practice location 2

25 June St
Sanford, ME 04073-2621
Phone (207) 490-7450

Other practice location 3

335 Brighton Ave
Portland, ME 04102-2314
Phone (207) 662-0111

Other practice location 4

1976 White Mountain Hwy Ste 105
North Conway, NH 03860-5147
Phone (603) 356-4940

Other practice location 5

3073 White Mountain Hwy
North Conway, NH 03860-7101
Phone (603) 356-5461

Other names 1

  • Haley Acker Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME, NH2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
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
MainehealthGroup PAC ID 7517860588, 2,616 clinicians

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

Merit-based Incentive Payment System (MIPS)

Final score
97.93 of 100Reported as apm
Quality
83.31
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
3553NHMDPharmacist
PA2108MEMDSurgical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Mainehealth CurrentSince Oct 19, 2020 Accepting new patients
Mainehealth New Hampshire Ambulatory Care CurrentSince Dec 14, 2025 Accepting new patients
Mainehealth CurrentSince Oct 19, 2020 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

  • Direct secure messaging: hacker318975@direct.mmc.mainehealth.org

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 36

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 36

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": "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": "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"
        },
        {
            "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": "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": "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"
        }
    ],
    "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": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NH",
            "license": "3553",
            "primary": false
        },
        {
            "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
        }
    ],
    "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

Verify at the official NPI Registry.