Merrimack Perio & Implants PLLC

Primary specialty

PeriodonticsTaxonomy code 1223P0300X

Legal business name

MERRIMACK PERIO & IMPLANTS PLLC

Practice address

155 Main Dunstable Rd Ste 220
Nashua, NH 03060-3640

Phone

(603) 699-9888

NPI assigned

Apr 26, 2025

Organization subpart

No

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

Authorized official

Name

Dr. Howard Yen, DMDNPI 1093184616

Title

Owner

Phone

(678) 622-8288

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Howard Yen, D.M.D.

  • Periodontics
  • Nashua, NH
  • NPI 1093184616
  NPD Authorized official

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

{
    "created_epoch": "1745625600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1745625600000",
    "number": "1962290379",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "155 MAIN DUNSTABLE RD STE 220",
            "city": "NASHUA",
            "state": "NH",
            "postal_code": "030603640",
            "telephone_number": "603-699-9888"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "155 MAIN DUNSTABLE RD STE 220",
            "city": "NASHUA",
            "state": "NH",
            "postal_code": "030603640",
            "telephone_number": "603-699-9888"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MERRIMACK PERIO & IMPLANTS PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-04-26",
        "last_updated": "2025-04-26",
        "certification_date": "2025-04-26",
        "status": "A",
        "authorized_official_last_name": "YEN",
        "authorized_official_first_name": "HOWARD",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "678-622-8288",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DMD"
    },
    "taxonomies": [
        {
            "code": "1223P0300X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist, Periodontics",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Louise B Mermer, APRN
• Merrill Senior Services, LLC
• Barbara A Merrill, LCMHC
• Dawn Merrill, MA, EDM, LCMHC
• Katherine Frances Merrill, LCMHC
• Merrimack Valley Counseling Association
• Merrimack Valley Dental Care
• Thomas Merritt
• Robert Allen Meshna, LADC
• Mark Norman Messier, MD

• Periodontics in Nashua, NH
• Providers in Nashua, NH by specialty
• Periodontics in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 26, 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.