Active NPI
Jennifer A Iwanski, CRNA
- Certified Registered Nurse Anesthetist
- Stoughton, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- 240482
- 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, 2025
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
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
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
| License | State | Type | Specialty |
|---|---|---|---|
| 240482 | MA | MD | Registered Nurse |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Steward Medical Group, Inc | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| BMC Affiliated Physicians, Inc. | Current | Accepting new patients | |
| Steward Medical Group, Inc | Current | Accepting new patients | |
| Anesthesia Professionals, Inc. | Nurse Anesthetist, Certified Registered | Current | 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.
-
- Internal Medicine Physician
- Boston, MA
- NPI 1245320910
-
- Certified Registered Nurse Anesthetist
- Dartmouth, MA
- NPI 1659346443
Nurse Anesthetist, Certified Registered
-
- Anesthesiology Physician
- Fall River, MA
- NPI 1043711914
Nurse Anesthetist, Certified Registered
-
- Specialist
- Brighton, MA
- NPI 1356654495
-
- Anesthesiology Physician
- Taunton, MA
- NPI 1780754002
-
- Anesthesiology Physician
- North Falmouth, MA
- NPI 1386894426
-
- Anesthesiology Physician
- Sandwich, MA
- NPI 1902853468
-
dba Brown Health Medical Group
- Psychiatry Physician
- Providence, RI
- NPI 1548506793
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Boston Medical Center - South
- General Acute Care Hospital
- Brockton, MA
- NPI 1871329110
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.