Individual provider Active NPI

Guy Nuki, MD

  • Emergency Medicine Physician
  • Brunswick, ME
National Provider Identifier
1346209582
Registry record updated Dec 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
015744 Issued in ME
Practice address
123 Medical Center Dr
Brunswick, ME 04011-2652
Phone
(207) 373-6000
NPI assigned
Mar 17, 2006
Last updated
Dec 29, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 29, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 015744 ME Primary
Family Medicine Physician 207Q00000X 25254 NH

Addresses

Primary practice location

123 Medical Center Dr
Brunswick, ME 04011-2652

Mailing address

123 Medical Center Dr
Brunswick, ME 04011-2652
Phone (207) 373-6000

Other practice location 1

Nantucket Cottage Hospital
57 Prospect Street
Nantucket, MA 02554-0255
Phone (508) 825-8270

Other practice location 2

243 Elm St
Claremont, NH 03743-4921
Phone (603) 542-7771

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME, VT, MA, NH4 enrollments
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 4

Enrollment IDStateProvider typePAC IDDetails
I20040820001034 ME Practitioner - Emergency MedicinePractitioner - Family Practice 3971577487 Reassigns benefits to 8 organizations
I20190426000758 VT Practitioner - Family PracticePractitioner - Emergency Medicine 3971577487 Reassigns benefits to 2 organizations
I20200109001682 MA Practitioner - Family PracticePractitioner - Emergency Medicine 3971577487 Reassigns benefits to 4 organizations
I20240620002846 NH Practitioner - Emergency Medicine 3971577487 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency MedicineAlso: Family Practice
Education
University of Connecticut School of Medicine, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Bluewater Emergency Partners of Brunswick, LLCGroup PAC ID 3375774227, 151 clinicians
Valley Regional Hospital IncGroup PAC ID 5799683280, 33 clinicians

Practice addresses (Care Compare)

123 Medical Ctr Dr
Brunswick, ME 04011-2652
Phone (207) 373-6000

243 Elm St
Claremont, NH 03743-4921
Phone (603) 542-7771

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
015744MEMDEmergency Medicine Physician
281275MAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Houlton Regional Hospital CurrentSince Mar 3, 2018 Accepting new patients
Springfield Hospital Emergency Medicine CurrentSince Nov 1, 2020 Accepting new patients
Bluewater Emergency Partners of Brunswick, LLC Emergency Medicine CurrentSince Jan 1, 2014 Accepting new patients
Seacoast Pathology Inc Current Accepting new patients
Medical Associates of Ebnhc Current Accepting new patients
Valley Regional Hospital Inc. CurrentSince Dec 6, 2025 Accepting new patients
Neighborhealth Corporation CurrentSince Feb 25, 2020 Accepting new patients
Down East Community Hospital CurrentSince Feb 1, 2016 Accepting new patients
York Hospital Family Medicine CurrentSince Jun 16, 2024 Accepting new patients
Houlton Regional Hospital CurrentSince Mar 3, 2018 Accepting new patients
Mercy Hospital CurrentSince May 9, 2014 Accepting new patients
Mercy Hospital CurrentSince May 9, 2014 Accepting new patients
Nantucket Cottage Hospital CurrentSince Nov 9, 2019 Accepting new patients
Nantucket Cottage Hospital CurrentSince Nov 9, 2019 Accepting new patients
Houlton Regional Hospital CurrentSince Dec 1, 2025 Accepting new patients
Internal Medical Associates-Ebnhc CurrentSince Feb 25, 2020 Accepting new patients
Nantucket Physicians Organization Family Medicine CurrentSince Nov 9, 2019 Accepting new patients
Mercy Hospital Current Accepting new patients
Down East Community Hospital CurrentSince Feb 1, 2016 Accepting new patients
Mainehealth Emergency Medicine CurrentSince Dec 1, 2020 Accepting new patients
Bruce J Lewis M.D. Current Accepting new patients
Mainehealth Current Accepting new patients
Valley Regional Hospital ,Inc. CurrentSince Dec 6, 2025 Accepting new patients
Mainehealth CurrentSince Apr 1, 2017 Accepting new patients
Springfield Hospital .Inc CurrentSince Nov 1, 2020 Accepting new patients
Lake Chelan Clinic, P.C. Past Accepting new patients

Locations

10 Grove St
East Boston, MA 02128
Phone (617) 569-5800

57 Prospect St
Nantucket, MA 02554
Phone (508) 228-1200

10 Hospital Dr
Bridgton, ME 04009
Phone (207) 647-6000

123 Medical Center Dr
Brunswick, ME 04011
Phone (207) 373-6800

24 Hospital Ln
Calais, ME 04619
Phone (207) 454-9213

20 Hartford St
Houlton, ME 04730
Phone (207) 532-2900

300 Main St
Lewiston, ME 04240
Phone (207) 795-2400

11 Hospital Dr
Machias, ME 04654
Phone (207) 255-0434

329 Maine St
Mere Point, ME 04011
Phone (207) 373-2250

22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179

6 Glen Cove Dr
Rockport, ME 04856
Phone (207) 596-8000

420 Franklin St
Rumford, ME 04276
Phone (207) 364-4581

40 Park Rd
Westbrook, ME 04092
Phone (207) 857-8174

15 Hospital Dr
York, ME 03909
Phone (207) 351-2478

243 Elm St
Claremont, NH 03743
Phone (603) 542-7771

17 Belmont Ave
Brattleboro, VT 05301
Phone (802) 257-8360

25 Ridgewood Rd
Springfield, VT 05156
Phone (780) 281-9593

Interoperability endpoints

  • Direct secure messaging: gnuki28027@direct.neighborhealth.masshiway.net
  • Direct secure messaging: gnuki353514@direct.mmc.mainehealth.org
  • FHIR API: https://fhir-myrecord.cerner.com/r4/6b68bc92-a317-4686-a79a-fbb1b58a509e/
  • Direct secure messaging: nuki.guy.nch@direct.partners.masshiway.net
  • Direct secure messaging: vrhgnuki@yourcarecommunity.org

Organizations & group practices 27

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.

View all 27

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766966400000",
    "number": "1346209582",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "123 MEDICAL CENTER DR",
            "city": "BRUNSWICK",
            "state": "ME",
            "postal_code": "040112652",
            "telephone_number": "207-373-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "123 MEDICAL CENTER DR",
            "city": "BRUNSWICK",
            "state": "ME",
            "postal_code": "040112652",
            "telephone_number": "207-373-6000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Nantucket Cottage Hospital",
            "address_2": "57 Prospect Street",
            "address_purpose": "LOCATION",
            "city": "Nantucket",
            "state": "MA",
            "postal_code": "025540255",
            "country_code": "US",
            "telephone_number": "508-825-8270",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "243 Elm St",
            "address_purpose": "LOCATION",
            "city": "Claremont",
            "state": "NH",
            "postal_code": "037434921",
            "country_code": "US",
            "telephone_number": "603-542-7771",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NUKI",
        "first_name": "GUY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-17",
        "last_updated": "2025-12-29",
        "certification_date": "2025-12-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "ME",
            "license": "015744",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NH",
            "license": "25254",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brunswick, ME

Sources for this page

Verify at the official NPI Registry.