Individual provider Active NPI

Erin M. Fallon, P.A.

  • Physician Assistant
  • Darien, CT
National Provider Identifier
1255770897
Registry record updated Feb 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
007281 Issued in CT
Practice address
104 Heights Rd # R103
Darien, CT 06820-4119
Phone
(888) 663-6331
Fax
(415) 252-7176
NPI assigned
Jun 17, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 6, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 007281 CT Primary
Physician Assistant 363A00000X PA4706 MA
Medical Physician Assistant 363AM0700X MA059522 PA

Addresses

Primary practice location

104 Heights Rd # R103
Darien, CT 06820-4119

Mailing address

1 Embarcadero Ctr Ste 1900
San Francisco, CA 94111-3723
Phone (888) 663-6331

Other practice location 1

169 Madison Ave Ste 15370
New York, NY 10016-5101
Phone (844) 484-7362

Other practice location 2

680 Centre St
Brockton, MA 02302-3308
Phone (508) 941-7400

Other practice location 3

1200 S Cedar Crest Blvd
Allentown, PA 18103-6202
Phone (484) 862-3232

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ, PA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20180531000664 NJ Practitioner - Physician Assistant 3476788860 Reassigns benefits to 3 organizations
I20240918001370 PA Practitioner - Physician Assistant 3476788860 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
82.61 of 100Reported as group
Quality
76.33
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
007281CTMDPhysician Assistant
MA059522PAMDMedical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Lehigh Valley Physician Group CurrentSince Sep 5, 2024 Accepting new patients
Lehigh Valley Physician Group CurrentSince Sep 5, 2024 Accepting new patients
Openloop Healthcare Partners PC Physician Assistant Past Accepting new patients
Brockton Hospital, Inc. Past Accepting new patients

Locations

2100 Mack Blvd
Fl 4
Allentown, PA 18103

1200 S Cedar Crest Blvd
Allentown, PA 18103
Phone (484) 862-3200

320 W Pumping Station Rd
Quakertown, PA 18951
Phone (215) 529-4240

Organizations & group practices 8

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": "1371427200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770336000000",
    "number": "1255770897",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723",
            "telephone_number": "888-663-6331"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "104 HEIGHTS RD # R103",
            "city": "DARIEN",
            "state": "CT",
            "postal_code": "068204119",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "169 Madison Ave Ste 15370",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100165101",
            "country_code": "US",
            "telephone_number": "844-484-7362",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "680 Centre St",
            "address_purpose": "LOCATION",
            "city": "Brockton",
            "state": "MA",
            "postal_code": "023023308",
            "country_code": "US",
            "telephone_number": "508-941-7400",
            "fax_number": "508-941-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1200 S Cedar Crest Blvd",
            "address_purpose": "LOCATION",
            "city": "Allentown",
            "state": "PA",
            "postal_code": "181036202",
            "country_code": "US",
            "telephone_number": "484-862-3232",
            "fax_number": "484-862-3250",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FALLON",
        "first_name": "ERIN",
        "middle_name": "M.",
        "credential": "P.A.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-06-17",
        "last_updated": "2026-02-06",
        "certification_date": "2026-02-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CT",
            "license": "007281",
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MA",
            "license": "PA4706",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "PA",
            "license": "MA059522",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Darien, CT

Sources for this page

Verify at the official NPI Registry.