Individual provider Active NPI

Erin Lyn Fiakos, DPT

  • Physical Therapist
  • Stratford, CT
National Provider Identifier
1629357157
Registry record updated Mar 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
0009139 Issued in CT
Practice address
999 Oronoque LN # 303
Stratford, CT 06614-1379
Phone
(203) 979-9440
Fax
(866) 232-5535
NPI assigned
Aug 15, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 27, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X 0009139 CT Primary

Addresses

Primary practice location

999 Oronoque LN # 303
Stratford, CT 06614-1379

Mailing address

81 Carriage Dr
Milford, CT 06460-7557
Phone (203) 500-3641

Other names 1

  • Dr. Erin Lyn Donaldson Former name

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20120202000877 CT Practitioner - Physical Therapist in Private Practice 0345407375 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Synergy Rehab OT LLCGroup PAC ID 1850676461, 7 clinicians

Practice addresses (Care Compare)

56 Partridge Dr
Southington, CT 06489-4017

999 Oronoque LN
Suite 303
Stratford, CT 06614-1379
Phone (203) 979-9440

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
0009139CTMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Synergy Rehab OT LLC Physical Therapist CurrentSince Nov 1, 2023 Accepting new patients

Locations

999 Oronoque Ln
#303
Stratford, CT 06614
Phone (203) 979-9440

Organizations & group practices 1

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": "1313366400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774569600000",
    "number": "1629357157",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "81 CARRIAGE DR",
            "city": "MILFORD",
            "state": "CT",
            "postal_code": "064607557",
            "telephone_number": "203-500-3641"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "999 ORONOQUE LN # 303",
            "city": "STRATFORD",
            "state": "CT",
            "postal_code": "066141379",
            "telephone_number": "203-979-9440",
            "fax_number": "866-232-5535"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FIAKOS",
        "first_name": "ERIN",
        "middle_name": "LYN",
        "name_prefix": "Dr.",
        "credential": "DPT",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-08-15",
        "last_updated": "2026-03-27",
        "certification_date": "2026-03-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "CT",
            "license": "0009139",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ERIN",
            "last_name": "DONALDSON",
            "middle_name": "LYN",
            "prefix": "DR.",
            "credential": "DPT",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Stratford, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 27, 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.