Active NPI
Ann M Stewart, NP
- Adult Health Nurse Practitioner
- Cambridge, MA
National Provider Identifier
1811959174
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Adult Health Nurse Practitioner
- License
- 114492
- Practice address
- 1611 Cambridge St
Cambridge, MA 02138-4302 - Phone
- (617) 661-5500
- Fax
- (617) 661-5444
- NPI assigned
- Apr 3, 2006
- 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 |
|---|---|---|---|---|
| Nurse Practitioner | 363L00000X | 114492 | MA | |
| Adult Health Nurse Practitioner | 363LA2200X | 114492 | MA | Primary |
Addresses
Primary practice location
1611 Cambridge St
Cambridge, MA 02138-4302
Mailing address
147 Milk St
Provider Enrollment - 9TH Floor
Boston, MA 02109-4806
Phone (617) 559-8053
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| NP1285 | Other | MA | BLUE CROSS |
| 0359670 | Medicaid | MA | |
| N298 | Other | MA | HARVARD PILGRIM |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 114492 | MA | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1144022400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1811959174",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "147 MILK ST",
"address_2": "PROVIDER ENROLLMENT - 9TH FLOOR",
"city": "BOSTON",
"state": "MA",
"postal_code": "021094806",
"telephone_number": "617-559-8053",
"fax_number": "617-421-3487"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1611 CAMBRIDGE ST",
"city": "CAMBRIDGE",
"state": "MA",
"postal_code": "021384302",
"telephone_number": "617-661-5500",
"fax_number": "617-661-5444"
}
],
"practiceLocations": [],
"basic": {
"last_name": "STEWART",
"first_name": "ANN",
"middle_name": "M",
"credential": "NP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-04-03",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "MA",
"license": "114492",
"primary": false
},
{
"code": "363LA2200X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Adult Health",
"state": "MA",
"license": "114492",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CROSS",
"identifier": "NP1285",
"state": "MA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0359670",
"state": "MA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HARVARD PILGRIM",
"identifier": "N298",
"state": "MA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Cambridge, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.