Organization Active NPI

Nashua Eye Associates, P.a.

  • Ophthalmology Physician
  • Nashua, NH
National Provider Identifier
1801891247
Registry record updated Aug 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
Legal business name
NASHUA EYE ASSOCIATES, P.A.
Practice address
5 Coliseum Ave
Nashua, NH 03063-3292
Phone
(603) 882-9800
Fax
(603) 882-0556
NPI assigned
Jun 14, 2005
Last updated
Aug 24, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 24, 2026

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

Authorized official

Name
John Dagianis, MDNPI 1972508026
Title
President
Phone
(603) 882-9800

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X NH Primary

Addresses

Primary practice location

5 Coliseum Ave
Nashua, NH 03063-3292

Mailing address

5 Coliseum Ave
Nashua, NH 03063-3292
Phone (603) 882-9800

Other identifiers 1

IdentifierTypeStateIssuer
99006886MedicaidNH

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NH3 enrollments

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
O20040206000295 NH Part B Supplier - Clinic/Group Practice 8628961216 Receives reassigned benefits from 13 practitioners
Practice locations: Hudson, NH; Milford, NH; Nashua, NH
O20070125000198 NH Part B Supplier - Clinic/Group Practice 8628961216 Receives reassigned benefits from 9 practitioners
Practice locations: Hudson, NH; Nashua, NH; Milford, NH
O20100930051509 NH DME Supplier - Physician - OphthalmologyDME Supplier - Physician - OptometristDME Supplier - Optician 8628961216 Practice locations: Nashua, NH

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
30D2073115Nashua Eye Associates, PA5 Coliseum Avenue, Nashua, NH 03063Certificate of waiverFeb 10, 2028

Medicare medical equipment & supply locations

SupplierSuppliesMedicare assignment
Nashua Eye Associates PA5 Coliseum Ave, Nashua, NH 03063-3206(603) 882-9800 Prosthetic Lenses: Conventional Eyeglasses|Prosthetic Lenses: Conventional Contact Lenses|Prosthetic Lenses: Prosthetics Cataract Lenses Accepts assignmentParticipating since Aug 5, 1992

National Provider Directory

National Provider Directory

Locations

30 Lowell Rd
Hudson, NH 03051
Phone (603) 598-6400

380 Daniel Webster Hwy
Merrimack, NH 03054
Phone (603) 424-6500

555 Nashua St
Milford, NH 03055
Phone (603) 672-8800

5 Coliseum Ave
Ste 101
Nashua, NH 03063
Phone (603) 882-9800

Practitioners & affiliated clinicians

Practitioners 21

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.

View all 21

NPI Registry JSON

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

{
    "created_epoch": "1118707200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787529600000",
    "number": "1801891247",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5 COLISEUM AVE",
            "city": "NASHUA",
            "state": "NH",
            "postal_code": "030633292",
            "telephone_number": "603-882-9800",
            "fax_number": "603-882-0556"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5 COLISEUM AVE",
            "city": "NASHUA",
            "state": "NH",
            "postal_code": "030633292",
            "telephone_number": "603-882-9800",
            "fax_number": "603-882-0556"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "NASHUA EYE ASSOCIATES, P.A.",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-06-14",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A",
        "authorized_official_last_name": "DAGIANIS",
        "authorized_official_first_name": "JOHN",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "603-882-9800",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "NH",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "99006886",
            "state": "NH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Nashua, NH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.