Active NPI
Emma Lien
- Certified Registered Nurse Anesthetist
- Worcester, MA
National Provider Identifier
1992575104
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- RN2324402
- Practice address
- 55 Lake Ave N
Worcester, MA 01655-0002 - Phone
- (508) 856-3271
- NPI assigned
- Jan 8, 2024
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Certified Registered Nurse Anesthetist | 367500000X | RN2324402 | MA | Primary |
Addresses
Primary practice location
55 Lake Ave N
Worcester, MA 01655-0002
Mailing address
PO Box 415348
Boston, MA 02241-5348
Phone (800) 225-8885
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
Care Compare profile
Medicare Care Compare- Specialty
- Certified Registered Nurse Anesthetist (Crna)
- Education
- Other, 2026
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
281 Lincoln St
Worcester, MA 01605-2192
PO Box
Boston, MA 02241
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| RN2324402 | MA | MD | Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1704672000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783987200000",
"number": "1992575104",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 415348",
"city": "BOSTON",
"state": "MA",
"postal_code": "022415348",
"telephone_number": "800-225-8885"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "55 LAKE AVE N",
"city": "WORCESTER",
"state": "MA",
"postal_code": "016550002",
"telephone_number": "508-856-3271"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LIEN",
"first_name": "EMMA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2024-01-08",
"last_updated": "2026-07-14",
"certification_date": "2026-07-14",
"status": "A"
},
"taxonomies": [
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "MA",
"license": "RN2324402",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Worcester, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- 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.