Active NPI
Michael Wassim Nicolas, CNP
- Nurse Practitioner
- Boston, MA
National Provider Identifier
1033046461
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- RN2319976
- Practice address
- 55 Fruit St
Boston, MA 02114-2696 - Phone
- (617) 643-2275
- Fax
- (617) 726-3306
- NPI assigned
- May 7, 2026
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Nurse Practitioner | 363L00000X | RN2319976 | MA | Primary |
Addresses
Primary practice location
55 Fruit St
Boston, MA 02114-2696
Mailing address
55 Fruit St
Boston, MA 02114-2696
Phone (617) 643-2275
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Certified Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| RN2319976 | MA | MD | Nurse Practitioner |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1778112000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778112000000",
"number": "1033046461",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "55 FRUIT ST",
"city": "BOSTON",
"state": "MA",
"postal_code": "021142696",
"telephone_number": "617-643-2275",
"fax_number": "617-726-3306"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "55 FRUIT ST",
"city": "BOSTON",
"state": "MA",
"postal_code": "021142696",
"telephone_number": "617-643-2275",
"fax_number": "617-726-3306"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NICOLAS",
"first_name": "MICHAEL",
"middle_name": "WASSIM",
"credential": "CNP",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2026-05-07",
"last_updated": "2026-05-07",
"certification_date": "2026-05-07",
"status": "A"
},
"taxonomies": [
{
"code": "363L00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Nurse Practitioner",
"state": "MA",
"license": "RN2319976",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Boston, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.