Neop LLC

Primary specialty

Orthodontics and Dentofacial Orthopedics DentistryTaxonomy code 1223X0400X

Legal business name

NEOP LLC

Doing business as

Treehouse Orthodontics

Practice address

275 Bicentennial Hwy
Springfield, MA 01118-1900

Phone

(413) 783-1111

NPI assigned

May 21, 2021

Last updated

Jan 8, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Aaron Demaio, DMDNPI 1134292618

Title

Owner

Phone

(413) 783-1111

Specialties & licenses 1

Addresses

Other identifiers 1

Other names 1

• Treehouse Orthodontics Doing business as

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Aaron A Demaio, D.M.D.

  • Orthodontics and Dentofacial Orthopedics Dentistry
  • Northampton, MA
  • NPI 1134292618
  NPD Authorized official

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

{
    "created_epoch": "1621555200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767830400000",
    "number": "1720653728",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "275 BICENTENNIAL HWY",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011181900",
            "telephone_number": "413-783-1111"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "275 BICENTENNIAL HWY",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011181900",
            "telephone_number": "413-783-1111"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "25 College St",
            "address_purpose": "LOCATION",
            "city": "South Hadley",
            "state": "MA",
            "postal_code": "010751154",
            "country_code": "US",
            "telephone_number": "413-536-0847",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "115 Elm St",
            "address_purpose": "LOCATION",
            "city": "Enfield",
            "state": "CT",
            "postal_code": "060823712",
            "country_code": "US",
            "telephone_number": "860-741-0753",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "NEOP LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-05-21",
        "last_updated": "2026-01-08",
        "certification_date": "2026-01-08",
        "status": "A",
        "authorized_official_last_name": "DEMAIO",
        "authorized_official_first_name": "AARON",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "413-783-1111",
        "authorized_official_credential": "DMD"
    },
    "taxonomies": [
        {
            "code": "1223X0400X",
            "taxonomy_group": "",
            "desc": "Dentist, Orthodontics and Dentofacial Orthopedics",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1356524144",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Treehouse Orthodontics",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Bridget L Nelson, PA
• Brittany Shany Nelson, PA
• Chad Hatheway Nelson
• Eileen Nelson
• Giana Nelson
• Ner England Ethical Hypnosis
• Sholeen T Nett, MD/PHD
• Danae Netteburg
• Rebecca Neubardt
• Amy Neumann, MSW, LCSW

• Orthodontics and Dentofacial Orthopedics Dentistry in Springfield, MA
• Providers in Springfield, MA by specialty
• Orthodontics and Dentofacial Orthopedics Dentistry in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 8, 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.

Verify at the official NPI Registry.