Individual provider Active NPI

Heather Chamberlain

  • Physical Medicine & Rehabilitation Physician
  • Windham, ME
National Provider Identifier
1649819632
Registry record updated Sep 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X
License
OT3717 Issued in ME
Practice address
4 Commons Ave Ste a
Windham, ME 04062-5554
Phone
(207) 828-2100
Fax
(207) 553-7166
NPI assigned
Dec 23, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 1, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Medicine & Rehabilitation Physician 208100000X OT3717 ME Primary

Addresses

Primary practice location

4 Commons Ave Ste a
Windham, ME 04062-5554

Mailing address

33 Sewall St
Portland, ME 04102-2638
Phone (207) 828-2100

Other practice location 1

22 Station Ave Ste 201
Brunswick, ME 04011-2092
Phone (207) 828-2100

Other practice location 2

33 Sewall St
Portland, ME 04102-2638
Phone (207) 828-2100

Other practice location 3

14 Thomas Point Rd
Brunswick, ME 04011-3911
Phone (207) 828-2100

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220221002221 ME Practitioner - Occupational Therapist in Private Practice 4183018906 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Occupational Therapist in Private Practice
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Orthopaedic Associates of Maine PAGroup PAC ID 8224566138, 52 clinicians

Practice addresses (Care Compare)

33 Sewall St
Portland, ME 04102-2603
Phone (207) 828-2101

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
OT3717MEMDPhysical Medicine & Rehabilitation Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Orthopaedic Associates of Maine PA CurrentSince Oct 31, 2025 Accepting new patients
Orthopaedic Associates of Maine PA CurrentSince Oct 31, 2025 Accepting new patients

Locations

33 Sewall St
Portland, ME 04102
Phone (207) 772-0076

4 Commons Ave
Ste A
Windham, ME 04062
Phone (207) 893-1738

Interoperability endpoints

  • Direct secure messaging: heather.chamberlain.p1@direct.spectrumhcp.nextgenshare.com

Organizations & group practices 2

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1577059200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1649819632",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "33 SEWALL ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041022638",
            "telephone_number": "207-828-2100",
            "fax_number": "207-553-7166"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4 COMMONS AVE STE A",
            "city": "WINDHAM",
            "state": "ME",
            "postal_code": "040625554",
            "telephone_number": "207-828-2100",
            "fax_number": "207-553-7166"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "22 Station Ave Ste 201",
            "address_purpose": "LOCATION",
            "city": "Brunswick",
            "state": "ME",
            "postal_code": "040112092",
            "country_code": "US",
            "telephone_number": "207-828-2100",
            "fax_number": "207-553-7166",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "33 Sewall St",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "ME",
            "postal_code": "041022638",
            "country_code": "US",
            "telephone_number": "207-828-2100",
            "fax_number": "207-553-7166",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "14 Thomas Point Rd",
            "address_purpose": "LOCATION",
            "city": "Brunswick",
            "state": "ME",
            "postal_code": "040113911",
            "country_code": "US",
            "telephone_number": "207-828-2100",
            "fax_number": "207-553-7166",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHAMBERLAIN",
        "first_name": "HEATHER",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-12-23",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "ME",
            "license": "OT3717",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Windham, ME

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.

Verify at the official NPI Registry.