Individual provider Active NPI

Nancy Diane Efferson-Bonachea, M.D.

  • Ophthalmology Physician
  • Manchester, NH
National Provider Identifier
1932173234
Registry record updated Oct 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
12932 Issued in NH
Practice address
764 2ND St
Manchester, NH 03102-5210
Phone
(603) 669-3925
NPI assigned
Feb 14, 2006
Last updated
Oct 13, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X 12932 NH Primary

Addresses

Primary practice location

764 2ND St
Manchester, NH 03102-5210

Mailing address

764 2ND St
Manchester, NH 03102-5210
Phone (603) 669-3925

Other practice location 1

25 Buttrick Rd Ste C3
Londonderry, NH 03053-3353
Phone (603) 432-8801

Other practice location 2

59 Page Hill Rd
Berlin, NH 03570-3542
Phone (603) 752-2200

Other practice location 3

7 Page Hill Rd
Berlin, NH 03570-3531
Phone (603) 752-2300

Other identifiers 4

IdentifierTypeStateIssuer
014008987NH01OtherNHANTHEM
3972404OtherAETNA
3072739MedicaidNH
494440OtherNHTUFTS

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NH
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

Enrollment IDStateProvider typePAC IDDetails
I20050927001190 NH Practitioner - Ophthalmology 6002841269 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Tufts University School of Medicine, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
NH Eye Associates PLLCGroup PAC ID 6608849823, 11 clinicians

Practice addresses (Care Compare)

764 2ND St
Manchester, NH 03102-5210
Phone (603) 669-3925

Merit-based Incentive Payment System (MIPS)

Final score
96.52 of 100Reported as group
Quality
100
Promoting interoperability
100
Improvement activities
40
Cost
88.4

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
12932NHMDOphthalmology Physician
21390SCMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Dartmouth-Hitchcock Clinic CurrentSince Nov 1, 2010 Accepting new patients
NH Eye Associates PLLC Ophthalmology CurrentSince Apr 1, 2023 Accepting new patients
Dartmouth-Hitchcock Clinic CurrentSince Nov 1, 2010 Accepting new patients
Alliance Health Services CurrentSince Nov 1, 2010 Accepting new patients
Pinnacle Rehabilitation Network LLC PastSince Apr 1, 2023 Accepting new patients

Locations

25 S River Rd
Bedford, NH 03110
Phone (603) 626-4392

253 Pleasant St
Concord, NH 03301
Phone (603) 226-2200

1 Medical Dr
Lebanon, NH 03756
Phone (603) 650-5922

25 Buttrick Rd
Ste C3
Londonderry, NH 03053
Phone (603) 432-8801

100 Hitchcock Way
Manchester, NH 03104
Phone (603) 629-1870

100 McGregor St
Manchester, NH 03102
Phone (603) 663-6931

764 2nd St
Manchester, NH 03102
Phone (603) 669-3925

Interoperability endpoints

  • Direct secure messaging: nbonachea@nheyeassoc.emadirect.md

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1139875200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791849600000",
    "number": "1932173234",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "764 2ND ST",
            "city": "MANCHESTER",
            "state": "NH",
            "postal_code": "031025210",
            "telephone_number": "603-669-3925"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "764 2ND ST",
            "city": "MANCHESTER",
            "state": "NH",
            "postal_code": "031025210",
            "telephone_number": "603-669-3925"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "25 Buttrick Rd Ste C3",
            "address_purpose": "LOCATION",
            "city": "Londonderry",
            "state": "NH",
            "postal_code": "030533353",
            "country_code": "US",
            "telephone_number": "603-432-8801",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "59 Page Hill Rd",
            "address_purpose": "LOCATION",
            "city": "Berlin",
            "state": "NH",
            "postal_code": "035703542",
            "country_code": "US",
            "telephone_number": "603-752-2200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7 Page Hill Rd",
            "address_purpose": "LOCATION",
            "city": "Berlin",
            "state": "NH",
            "postal_code": "035703531",
            "country_code": "US",
            "telephone_number": "603-752-2300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "EFFERSON-BONACHEA",
        "first_name": "NANCY",
        "middle_name": "DIANE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-02-14",
        "last_updated": "2026-10-13",
        "certification_date": "2026-10-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "NH",
            "license": "12932",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "014008987NH01",
            "state": "NH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "3972404",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3072739",
            "state": "NH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS",
            "identifier": "494440",
            "state": "NH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Manchester, NH

Sources for this page

Verify at the official NPI Registry.