Individual provider Active NPI

Isabella M Papoutsakis, PA-C

  • Surgical Physician Assistant
  • Springfield, MA
National Provider Identifier
1497567911
Registry record updated May 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Physician AssistantTaxonomy code 363AS0400X
License
PA101499 Issued in MA
Practice address
2 Medical Center Dr Ste 503
Springfield, MA 01107-1273
Phone
(413) 794-5600
Fax
(413) 794-5242
NPI assigned
Jan 22, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 28, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Physician Assistant 363AS0400X PA101499 MA Primary

Addresses

Primary practice location

2 Medical Center Dr Ste 503
Springfield, MA 01107-1273

Mailing address

280 Chestnut St
Springfield, MA 01199-1001
Phone (413) 794-3909

Other practice location 1

80 Seymour St
Hartford, CT 06106-3315
Phone (860) 545-5000

Other names 1

  • Isabella Matisse Di Lorenzo Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT, MA2 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
I20250719000021 CT Practitioner - Physician Assistant 6406362250 Reassigns benefits to 1 organization
I20260411000224 MA Practitioner - Physician Assistant 6406362250 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Baystate Medical Practices IncGroup PAC ID 5991602971, 1,350 clinicians
Hartford HospitalGroup PAC ID 2567366016, 1,040 clinicians

Practice addresses (Care Compare)

2 Medical Ctr Dr
Springfield, MA 01107-1270
Phone (413) 794-8020

80 Seymour St
Hartford, CT 06102-8000
Phone (860) 545-7500

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
PA101499MAMDSurgical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Hartford Hospital CurrentSince Jun 1, 2025 Accepting new patients
Baystate Medical Practices, Inc Surgical PastSince Aug 26, 2013 Accepting new patients

Locations

80 Seymour St
Hartford, CT 06106
Phone (860) 545-2249

1290 Silas Deane Hwy
Wethersfield, CT 06109
Phone (860) 972-6977

Organizations & group practices 3

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 7

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": "1737504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779926400000",
    "number": "1497567911",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "280 CHESTNUT ST",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011991001",
            "telephone_number": "413-794-3909",
            "fax_number": "413-794-1629"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 MEDICAL CENTER DR STE 503",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011071273",
            "telephone_number": "413-794-5600",
            "fax_number": "413-794-5242"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "80 Seymour St",
            "address_purpose": "LOCATION",
            "city": "Hartford",
            "state": "CT",
            "postal_code": "061063315",
            "country_code": "US",
            "telephone_number": "860-545-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PAPOUTSAKIS",
        "first_name": "ISABELLA",
        "middle_name": "M",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-01-22",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "MA",
            "license": "PA101499",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ISABELLA",
            "last_name": "DI LORENZO",
            "middle_name": "MATISSE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Springfield, MA

Sources for this page

Verify at the official NPI Registry.