Active NPI
Guy Nuki, MD
- Emergency Medicine Physician
- Brunswick, ME
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 015744
- Practice address
- 123 Medical Center Dr
Brunswick, ME 04011-2652 - Phone
- (207) 373-6000
- NPI assigned
- Mar 17, 2006
- Last updated
- Dec 29, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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, NH
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 4
Care Compare profile
Medicare Care Compare- Specialty
- Emergency Medicine
- Education
- University of Connecticut School of Medicine, 1992
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
| License | State | Type | Specialty |
|---|---|---|---|
| 015744 | ME | MD | Emergency Medicine Physician |
| 281275 | MA | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Houlton Regional Hospital | Current | Accepting new patients | |
| Springfield Hospital | Emergency Medicine | Current | Accepting new patients |
| Bluewater Emergency Partners of Brunswick, LLC | Emergency Medicine | Current | Accepting new patients |
| Seacoast Pathology Inc | Current | Accepting new patients | |
| Medical Associates of Ebnhc | Current | Accepting new patients | |
| Valley Regional Hospital Inc. | Current | Accepting new patients | |
| Neighborhealth Corporation | Current | Accepting new patients | |
| Down East Community Hospital | Current | Accepting new patients | |
| York Hospital | Family Medicine | Current | Accepting new patients |
| Houlton Regional Hospital | Current | Accepting new patients | |
| Mercy Hospital | Current | Accepting new patients | |
| Mercy Hospital | Current | Accepting new patients | |
| Nantucket Cottage Hospital | Current | Accepting new patients | |
| Nantucket Cottage Hospital | Current | Accepting new patients | |
| Houlton Regional Hospital | Current | Accepting new patients | |
| Internal Medical Associates-Ebnhc | Current | Accepting new patients | |
| Nantucket Physicians Organization | Family Medicine | Current | Accepting new patients |
| Mercy Hospital | Current | Accepting new patients | |
| Down East Community Hospital | Current | Accepting new patients | |
| Mainehealth | Emergency Medicine | Current | Accepting new patients |
| Bruce J Lewis M.D. | Current | Accepting new patients | |
| Mainehealth | Current | Accepting new patients | |
| Valley Regional Hospital ,Inc. | Current | Accepting new patients | |
| Mainehealth | Current | Accepting new patients | |
| Springfield Hospital .Inc | Current | 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
- gnuki28027@direct.neighborhealth.masshiway.net
- gnuki353514@direct.mmc.mainehealth.org
- https://fhir-myrecord.cerner.com/r4/6b68bc92-a317-4686-a79a-fbb1b58a509e/
- nuki.guy.nch@direct.partners.masshiway.net
- 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.
-
- Emergency Medicine Physician
- Brunswick, ME
- NPI 1043640204
NH, VT
-
- Critical Access Hospital
- Claremont, NH
- NPI 1306933619
-
- General Acute Care Hospital
- Machias, ME
- NPI 1689670242
-
- Critical Access Hospital
- Houlton, ME
- NPI 1386804268
-
- Critical Access Hospital
- Houlton, ME
- NPI 1508823741
-
dba MaineHealth Pen Bay Hospital
- General Acute Care Hospital
- Rockport, ME
- NPI 1982645305
-
- General Acute Care Hospital
- Portland, ME
- NPI 1629078712
-
- Community Health Clinic/Center
- East Boston, MA
- NPI 1558481879
-
- Rural Acute Care Hospital
- Nantucket, MA
- NPI 1447214622
-
- Orthopaedic Surgery Physician
- Nantucket, MA
- NPI 1568798510
Family Medicine
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Lewiston, ME
- NPI 1689653487
-
- Critical Access Hospital
- Rumford, ME
- NPI 1205991122
-
- General Acute Care Hospital
- Brattleboro, VT
- NPI 1306849708
-
- Critical Access Hospital
- Claremont, NH
- NPI 1306933619
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
- Northbridge Avita Brunswick II LLC (Avita of Brunswick)
- Northbridge Brunswick Assisted Living (Sunnybrook)
- Allen Robert Northup, LCC LPE
- Jaime Norton, OTR/L
- NR Maine LLC
- Jasper Dylan Nutt, MD
- Kelly Taylor Nuzzo, HIS
- Aoife Elizabeth O'Brien, CNM
- Kelsey O'Connell, MS, FNP-BC
- Peter D O'Connor, M.D., O.D.
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 29, 2025; 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.
- 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.