Active NPI
Matthew Aaron Harzman, NP
- Registered Nurse
- Medford, MA
National Provider Identifier
1982591129
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Nurse
- License
- RN2337827
- Practice address
- 102 Monument St Unit 1
Medford, MA 02155-3514 - Phone
- (405) 210-7055
- NPI assigned
- Jun 20, 2025
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | RN2337827 | MA | Primary |
Addresses
Primary practice location
102 Monument St Unit 1
Medford, MA 02155-3514
Mailing address
102 Monument St Unit 1
Medford, MA 02155-3514
Phone (405) 210-7055
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
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| RN2337827 | MA | MD | Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1750377600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750377600000",
"number": "1982591129",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "102 MONUMENT ST UNIT 1",
"city": "MEDFORD",
"state": "MA",
"postal_code": "021553514",
"telephone_number": "405-210-7055"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "102 MONUMENT ST UNIT 1",
"city": "MEDFORD",
"state": "MA",
"postal_code": "021553514",
"telephone_number": "405-210-7055"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HARZMAN",
"first_name": "MATTHEW",
"middle_name": "AARON",
"name_prefix": "Mr.",
"credential": "NP",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-06-20",
"last_updated": "2025-06-20",
"certification_date": "2025-06-18",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "MA",
"license": "RN2337827",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Medford, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 20, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.