Individual provider Active NPI

Geraldine Faherty, APRN

  • Nurse Practitioner
  • New Haven, CT
National Provider Identifier
1659312478
Registry record updated Nov 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
3173 Issued in CT
Practice address
400 Columbus Ave
New Haven, CT 06519-1233
Phone
(203) 503-3000
NPI assigned
Jun 10, 2006
Last updated
Nov 26, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 26, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 3173 CT Primary

Addresses

Primary practice location

400 Columbus Ave
New Haven, CT 06519-1233

Mailing address

400 Columbus Ave
New Haven, CT 06519-1233
Phone (203) 503-3000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
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 1

Enrollment IDStateProvider typePAC IDDetails
I20070104000173 CT Practitioner - Nurse Practitioner 4284527029 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians

Practice addresses (Care Compare)

20 York St
New Haven, CT 06510-3220
Phone (203) 785-4638

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.36 of 100Reported as group
Quality
77.36
Promoting interoperability
100
Improvement activities
40
Cost
74.27

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Yale University CurrentSince Jun 14, 2006 Accepting new patients
Yale University CurrentSince Jun 14, 2006 Accepting new patients
Cornell Scott Hill Health Corporation CurrentSince Aug 22, 2022 Accepting new patients
Cornell Scott Hill Health Corporation Past Accepting new patients

Locations

300 George St
Fl 6
New Haven, CT 06511
Phone (203) 785-6610

400 Columbus Ave
New Haven, CT 06519
Phone (203) 503-3174

428 Columbus Ave
New Haven, CT 06519
Phone (203) 503-3228

800 Howard Ave
New Haven, CT 06519
Phone (203) 785-2140

20 York St
North Haven, CT 06510
Phone (203) 688-2433

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 2

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": "1149897600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764115200000",
    "number": "1659312478",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 COLUMBUS AVE",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191233",
            "telephone_number": "203-503-3000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 COLUMBUS AVE",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191233",
            "telephone_number": "203-503-3000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FAHERTY",
        "first_name": "GERALDINE",
        "credential": "APRN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-06-10",
        "last_updated": "2025-11-26",
        "certification_date": "2025-11-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CT",
            "license": "3173",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.