Individual provider Active NPI

Erin J Leahy, M.D.

  • Geriatric Medicine (Internal Medicine) Physician
  • Springfield, MA
National Provider Identifier
1235339607
Registry record updated Jun 8, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X
License
52576 Issued in WI
Practice address
759 Chestnut St
S2668
Springfield, MA 01107-1619
Phone
(413) 794-8121
NPI assigned
Jul 23, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 8, 2021

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Geriatric Medicine (Internal Medicine) Physician 207RG0300X 243564 MA
Geriatric Medicine (Internal Medicine) Physician 207RG0300X 52576 WI Primary

Addresses

Primary practice location

759 Chestnut St
S2668
Springfield, MA 01107-1619

Mailing address

280 Chestnut Street
2ND FL
Springfield, MA 01199-1001
Phone (413) 794-5700

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210401001729 WI Practitioner - Internal Medicine 6507051372 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Medical College of Wisconsin, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Care Neurodegenerative Medical of New York PCGroup PAC ID 7618329475, 14 clinicians
Carend Provider Group PAGroup PAC ID 2264827518, 26 clinicians
Carend Provider Group of Kansas PAGroup PAC ID 2961843198, 8 clinicians
Carend Provider Group of New Jersey PCGroup PAC ID 4082082789, 13 clinicians

Practice addresses (Care Compare)

Milwaukee, WI 53207
Phone (708) 630-1534

2837 S Superior St
Milwaukee, WI 53207-2550
Phone (708) 630-1534

Hospital & facility affiliations

  • Confluence Health Hospital Hospital, Wenatchee, WA, CCN 500016

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
52576WIMDGeriatric Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Carend Provider Group of New Jersey PC CurrentSince May 27, 2025 Accepting new patients
Care Neurodegenerative Medical of New York PC CurrentSince Jul 19, 2025 Accepting new patients
Carend Provider Group PA CurrentSince Jun 17, 2025 Accepting new patients
Carend Provider Group of Kansas PA CurrentSince Jan 7, 2026 Accepting new patients
Elizabeth Ferluga, M.D., P.C. Past Accepting new patients

Locations

548 Market St
San Francisco, CA 94104
Phone (415) 275-1838

2045 W Grand Ave
Ste B
Chicago, IL 60612
Phone (800) 827-7437

101 Eisenhower Pkwy
Ste 300
Roseland, NJ 07068
Phone (201) 520-7221

Interoperability endpoints

  • Direct secure messaging: eleahy150208@direct.phci.org

Organizations & group practices 5

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.

Hospital & facility affiliations 1

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": "1185148800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1623110400000",
    "number": "1235339607",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "280 CHESTNUT STREET",
            "address_2": "2ND FL",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011991001",
            "telephone_number": "413-794-5700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "759 CHESTNUT ST",
            "address_2": "S2668",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011071619",
            "telephone_number": "413-794-8121"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEAHY",
        "first_name": "ERIN",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-07-23",
        "last_updated": "2021-06-08",
        "certification_date": "2021-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "MA",
            "license": "243564",
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "WI",
            "license": "52576",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Springfield, MA

Sources for this page

Verify at the official NPI Registry.