Individual provider Active NPI

Jennifer A Iwanski, CRNA

  • Certified Registered Nurse Anesthetist
  • Stoughton, MA
National Provider Identifier
1871640045
Registry record updated Dec 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
240482 Issued in MA
Practice address
909 Sumner St
Stoughton, MA 02072-3396
Phone
(781) 344-2325
Fax
(781) 341-8544
NPI assigned
Jan 3, 2007
Last updated
Dec 30, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 30, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 240482 MA Primary
Registered Nurse 163W00000X 240482 MA

Addresses

Primary practice location

909 Sumner St
Stoughton, MA 02072-3396

Mailing address

907 Sumner St
M201
Stoughton, MA 02072-3374
Phone (781) 344-2325

Other practice location 1

235 N Pearl St
Brockton, MA 02301
Phone (508) 427-3000

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20070215000113 MA Practitioner - Certified Registered Nurse Anesthetist (Crna) 8426946757 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
BMC Affiliated Physicians, Inc.Group PAC ID 9830133123, 543 clinicians

Practice addresses (Care Compare)

235 N Pearl St
Brockton, MA 02301-1794
Phone (508) 427-3000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
240482MAMDRegistered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Steward Medical Group, Inc Nurse Anesthetist, Certified Registered CurrentSince Nov 30, 2018 Accepting new patients
BMC Affiliated Physicians, Inc. CurrentSince Sep 15, 2025 Accepting new patients
Steward Medical Group, Inc CurrentSince Nov 30, 2018 Accepting new patients
Anesthesia Professionals, Inc. Nurse Anesthetist, Certified Registered CurrentSince May 1, 2006 Accepting new patients
Falmouth Anesthesia and Pain Management PC Past Accepting new patients
Lifespan Physician Group, Inc. Past Accepting new patients
Anesthesiology Assoc of Taunton Inc Past Accepting new patients
Heritage Medical Group Inc. Past Accepting new patients

Locations

138 Haverhill St
Andover, MA 01810
Phone (978) 296-2302

736 Cambridge St
Brighton, MA 02135
Phone (617) 789-2762

235 N Pearl St
Brockton, MA 02301
Phone (508) 427-2525

795 Middle St
Fall River, MA 02721
Phone (508) 235-5046

145 West St
Milford, MA 01757
Phone (508) 381-5600

500 Faunce Corner Rd
Ste 180
North Dartmouth, MA 02747
Phone (508) 717-0270

51 State Rd
North Dartmouth, MA 02747
Phone (508) 994-1400

800 Washington St
Norwood, MA 02062
Phone (781) 278-6264

146 Industrial Park Rd
Plymouth, MA 02360
Phone (508) 833-6000

907 Sumner St
#M201
Stoughton, MA 02072
Phone (781) 923-6434

907 Sumner St
Ste M201
Stoughton, MA 02072

909 Sumner St
Stoughton, MA 02072
Phone (508) 427-2480

400 10th St E
Waconia, MN 55387

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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": "1167782400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767052800000",
    "number": "1871640045",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "907 SUMNER ST",
            "address_2": "M201",
            "city": "STOUGHTON",
            "state": "MA",
            "postal_code": "020723374",
            "telephone_number": "781-344-2325",
            "fax_number": "781-341-8544"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "909 SUMNER ST",
            "city": "STOUGHTON",
            "state": "MA",
            "postal_code": "020723396",
            "telephone_number": "781-344-2325",
            "fax_number": "781-341-8544"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "235 N Pearl St",
            "address_purpose": "LOCATION",
            "city": "Brockton",
            "state": "MA",
            "postal_code": "02301",
            "country_code": "US",
            "telephone_number": "508-427-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "IWANSKI",
        "first_name": "JENNIFER",
        "middle_name": "A",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-01-03",
        "last_updated": "2025-12-30",
        "certification_date": "2025-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MA",
            "license": "240482",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MA",
            "license": "240482",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stoughton, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 30, 2025; 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.