Individual provider Active NPI

Ryan Needle, DDS

  • Endodontics
  • North Chelmsford, MA
National Provider Identifier
1851915417
Registry record updated Jun 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
EndodonticsTaxonomy code 1223E0200X
License
DN10000899 Issued in MA
Practice address
73 Princeton St Ste 202
North Chelmsford, MA 01863-1559
Phone
(978) 251-1515
NPI assigned
May 29, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 22, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X CA
Student in an Organized Health Care Education/Training Program 390200000X DL15299 MA
Student in an Organized Health Care Education/Training Program 390200000X MA
Endodontics 1223E0200X DN10000899 MA Primary

Addresses

Primary practice location

73 Princeton St Ste 202
North Chelmsford, MA 01863-1559

Mailing address

73 Princeton St Ste 202
North Chelmsford, MA 01863-1559
Phone (978) 251-1515

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)
Enrolled

State licenses

LicenseStateTypeSpecialty
DN10000899MAMDEndodontist

Practice roles

OrganizationSpecialtyStatusNew patients
Cambridge Public Health Commission Current Accepting new patients
Merrimack Valley Endodontics LLP Endodontics PastSince Jun 29, 2025 Accepting new patients

Locations

119 Windsor St
Ste 2
Cambridge, MA 02139
Phone (617) 575-5229

1493 Cambridge St
Cambridge, MA 02139
Phone (617) 665-1185

Interoperability endpoints

  • Direct secure messaging: rneedle111787@direct.challiance.masshiway.net

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1590710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750550400000",
    "number": "1851915417",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "73 PRINCETON ST STE 202",
            "city": "NORTH CHELMSFORD",
            "state": "MA",
            "postal_code": "018631559",
            "telephone_number": "978-251-1515"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "73 PRINCETON ST STE 202",
            "city": "NORTH CHELMSFORD",
            "state": "MA",
            "postal_code": "018631559",
            "telephone_number": "978-251-1515"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NEEDLE",
        "first_name": "RYAN",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-05-29",
        "last_updated": "2025-06-22",
        "certification_date": "2025-06-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": null,
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MA",
            "license": "DL15299",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MA",
            "license": null,
            "primary": false
        },
        {
            "code": "1223E0200X",
            "taxonomy_group": "",
            "desc": "Dentist, Endodontics",
            "state": "MA",
            "license": "DN10000899",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in North Chelmsford, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 22, 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.

Verify at the official NPI Registry.