Active NPI
Kelly Melissa Aguilar, M.D.
- Hospitalist Physician
- Bangor, ME
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- MD22451
- Practice address
- 489 State St
Bangor, ME 04401-6616 - Phone
- (207) 973-6676
- Fax
- (207) 973-4441
- NPI assigned
- Apr 3, 2015
- Last updated
- Jan 21, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hospitalist Physician | 208M00000X | MD22451 | ME | Primary |
Addresses
Primary practice location
489 State St
Bangor, ME 04401-6616
Mailing address
43 Whiting Hill Rd Ste 300
Brewer, ME 04412-1006
Phone (207) 973-5000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in ME, MT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- Other, 2014
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905
2475 E Broadway St
Helena, MT 59601-4928
Phone (406) 447-2828
489 State St
Bangor, ME 04401-6616
Phone (207) 973-7000
6 Glen Cove Dr
Rockport, ME 04856-4272
Phone (207) 921-8969
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 97.93 of 100
- Quality
- 83.31
- Promoting interoperability
- 100
- Improvement activities
- 40
Merit-based Incentive Payment System (MIPS)
- Final score
- 83.75 of 100
- Quality
- 71.01
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 74.84
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mainehealth | Current | Accepting new patients | |
| St. Peter's Health | Current | Accepting new patients | |
| St Peter's Health | Current | Accepting new patients | |
| Sound Physicians of Massachusetts Inc | Family Medicine | Current | Accepting new patients |
| Sound Physicians of Massachusetts, Inc | Family Medicine | Current | Accepting new patients |
| Mainehealth | Current | Accepting new patients | |
| St Peters Hospital | Current | Accepting new patients | |
| Eastern Maine Medical Center | Current | Accepting new patients | |
| Mainehealth | Current | Accepting new patients | |
| Eastern Maine Medical Center | Current | Accepting new patients |
Locations
360 Broadway
Bangor, ME 04401
Phone (207) 262-1703
489 State St
Bangor, ME 04401
Phone (207) 973-8837
43 Whiting Hill Rd
Ste 300
Brewer, ME 04412
Phone (207) 973-5000
123 Medical Center Dr
Brunswick, ME 04011
Phone (207) 373-6800
93 Campus Ave
Lewiston, ME 04240
Phone (207) 755-3715
22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179
2475 E Broadway St
Helena, MT 59601
Phone (406) 442-2480
Interoperability endpoints
- kaguilar477703@direct.mmc.mainehealth.org
Organizations & group practices 10
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.
-
- General Acute Care Hospital
- Bangor, ME
- NPI 1790789147
-
- General Acute Care Hospital
- Helena, MT
- NPI 1205025145
-
dba Sound Physicians
- Internal Medicine Physician
- North Adams, MA
- NPI 1205164951
Family Medicine, ME
-
- Rehabilitation Hospital Unit
- Bangor, ME
- NPI 1780674689
-
dba MaineHealth Pharmacy Brighton Ave
- Community/Retail Pharmacy
- Portland, ME
- NPI 1013868181
-
dba MaineHealth Pen Bay Hospital
- General Acute Care Hospital
- Rockport, ME
- NPI 1578043378
-
- Internal Medicine Physician
- Stoughton, MA
- NPI 1245784446
Family Medicine
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Bangor, ME
- NPI 1790789147
-
dba MaineHealth Pen Bay Hospital
- General Acute Care Hospital
- Rockport, ME
- NPI 1982645305
-
dba St Peters Medical Office Building
- Family Medicine Physician
- Helena, MT
- NPI 1083869390
Hospital
-
- General Acute Care Hospital
- Helena, MT
- NPI 1528023520
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1428019200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768953600000",
"number": "1376938639",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "43 WHITING HILL RD STE 300",
"city": "BREWER",
"state": "ME",
"postal_code": "044121006",
"telephone_number": "207-973-5000",
"fax_number": "207-973-5042"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "489 STATE ST",
"city": "BANGOR",
"state": "ME",
"postal_code": "044016616",
"telephone_number": "207-973-6676",
"fax_number": "207-973-4441"
}
],
"practiceLocations": [],
"basic": {
"last_name": "AGUILAR",
"first_name": "KELLY",
"middle_name": "MELISSA",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2015-04-03",
"last_updated": "2026-01-21",
"certification_date": "2026-01-21",
"status": "A"
},
"taxonomies": [
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "ME",
"license": "MD22451",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Bangor, ME
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 21, 2026; 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.