Colin Daniel O'Neil, DO

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

100 Eileen Dondero Foley Ave
Suite 110
Portsmouth, NH 03801

Phone

(603) 559-4129

NPI assigned

Mar 23, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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

{
    "created_epoch": "1774224000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774224000000",
    "number": "1003754201",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 EILEEN DONDERO FOLEY AVE",
            "address_2": "SUITE 110",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "03801",
            "telephone_number": "603-559-4129"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 EILEEN DONDERO FOLEY AVE",
            "address_2": "SUITE 110",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "03801",
            "telephone_number": "603-559-4129"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'NEIL",
        "first_name": "COLIN",
        "middle_name": "DANIEL",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-03-23",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jaclyn Nutter
• Maria Nuzzo
• Hannah Nydegger
• Jennifer O'Donnell, PT
• Theodora Tiffany O'Leary
• Margaret M O'Neil, PT
• Stephanie Rose O'Neil
• Stephanie O'Shaughnessy, LICSW
• Emma Obrien
• Occupational Health Services of Portsmouth Regional Hospital, LLC

• Student in an Organized Health Care Education/Training Program in Portsmouth, NH
• Providers in Portsmouth, NH by specialty
• Student in an Organized Health Care Education/Training Program in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.