Theunis Otte De Boer

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

39493 Issued in NH

Practice address

10 Tsienneto Rd
Derry, NH 03038-1505

Phone

(603) 434-1577

NPI assigned

Mar 30, 2022

Last updated

Jul 11, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Enrolled in OH

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.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1648598400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783728000000",
    "number": "1558001354",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10 TSIENNETO RD",
            "city": "DERRY",
            "state": "NH",
            "postal_code": "030381505"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10 TSIENNETO RD",
            "city": "DERRY",
            "state": "NH",
            "postal_code": "030381505",
            "telephone_number": "603-434-1577"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DE BOER",
        "first_name": "THEUNIS",
        "middle_name": "OTTE",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-03-30",
        "last_updated": "2026-07-11",
        "certification_date": "2026-07-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NH",
            "license": "39493",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Shona Annelle Salmon Daley, OTR/L
• Ellen Joan Dang, APRN
• Jennifer Darby
• Chali Christina Davis, ED.S., MA, DC
• James D Dawson Jr.
• Michelle Decosmo
• Angela Degenova, LCMHC
• Candace Delisio, CNM
• Gary T Della Grotta, MD
• Dawn Lee Demark-Buik, DC

• Psychiatry Physician in Derry, NH
• Providers in Derry, NH by specialty
• Psychiatry Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 11, 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.