Active NPI
Michael Milligan, MD
- Radiation Oncology Physician
- Portland, ME
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Radiation Oncology Physician
- License
- MD26622
- Practice address
- 22 Bramhall St
Portland, ME 04102-3134 - Phone
- (207) 662-4735
- Fax
- (207) 662-6388
- NPI assigned
- Mar 24, 2018
- 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 |
|---|---|---|---|---|
| Radiation Oncology Physician | 2085R0001X | MD26622 | ME | Primary |
| Radiation Oncology Physician | 2085R0001X | 25443 | NH |
Addresses
Primary practice location
22 Bramhall St
Portland, ME 04102-3134
Mailing address
324 Gannett Dr Ste 200
South Portland, ME 04106-3266
Phone (207) 482-7800
Other practice location 1
333 Borthwick Ave
Portsmouth, NH 03801-7128
Phone (603) 559-4188
Other practice location 2
11 Rock Row Ste 320
Westbrook, ME 04092-4877
Phone (207) 303-3300
Other practice location 3
15 Rock Row Ste 110
Westbrook, ME 04092-4877
Phone (207) 303-3300
Other practice location 4
11 Rock Row Ste 120
Westbrook, ME 04092-4877
Phone (207) 303-3300
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in ME, NH
- 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
- Radiation Oncology
- Education
- Harvard Medical School, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Spectrum Healthcare Partners PA
Practice addresses (Care Compare)
15 Rock Row
Suite 110
Westbrook, ME 04092-4877
Phone (207) 303-3300
22 Bramhall St
Portland, ME 04102-3134
Phone (207) 871-2571
333 Borthwick Ave
Portsmouth, NH 03801-7128
Phone (603) 559-4188
Hospital & facility affiliations
- Mainehealth Maine Medical Center
- Memorial Hospital, the
- Northern Light Mercy Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 25443 | NH | MD | Radiation Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mainehealth | Current | Accepting new patients | |
| Maine Center for Cancer Medicine & Blood Disorders, P.a. | Radiation Oncology | Current | Accepting new patients |
| Spectrum Healthcare Partners, PA | Radiation Oncology | Current | Accepting new patients |
| Mainehealth | Current | Accepting new patients | |
| Spectrum Healthcare Partners, P.a. | Current | Accepting new patients | |
| Spectrum Healthcare Partners, PA | Current | Accepting new patients | |
| Mainehealth | Current | Accepting new patients | |
| Mainehealth | Past | Accepting new patients | |
| Maine Center of Cancer Medicine & Blood Disorders | Past | Accepting new patients |
Locations
175 Congress Ave
Bath, ME 04530
Phone (207) 386-5656
2 Independence Dr
Kennebunk, ME 04043
Phone (207) 303-3300
22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179
22 Bramhall St
#C
Portland, ME 04102
27 Industrial Ave
Sanford, ME 04073
Phone (207) 459-1600
100 Campus Dr
Unit 108
Scarborough, ME 04074
Phone (207) 303-3300
92 Campus Dr
Ste C
Scarborough, ME 04074
Phone (207) 797-5753
100 Campus Dr
Scarborough, ME 04074
Phone (207) 396-7683
324 Gannett Dr
Ste 200
South Portland, ME 04106
Phone (207) 482-7861
11 Rock Row
Ste 120
Westbrook, ME 04092
Phone (207) 303-3000
11 Rock Row
Ste 150
Westbrook, ME 04092
Phone (207) 303-3300
11 Rock Row
Ste 320
Westbrook, ME 04092
Phone (207) 303-3300
15 Rock Row
Ste 110
Westbrook, ME 04092
Phone (207) 303-3300
3073 White Mountain Hwy
North Conway, NH 03860
Phone (603) 356-5472
333 Bothwick Ave
Portsmouth, NH 03801
Phone (603) 433-4907
Interoperability endpoints
- mmilligan600524@direct.mmc.mainehealth.org
Organizations & group practices 9
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Hematology & Oncology Physician
- Westbrook, ME
- NPI 1205896107
Radiation Oncology
-
- Psychiatric Hospital
- Westbrook, ME
- NPI 1790265502
-
- Diagnostic Radiology Physician
- Portland, ME
- NPI 1669488011
Radiation Oncology
-
- Community/Retail Pharmacy
- Portland, ME
- NPI 1013868181
-
- Critical Access Hospital
- Belfast, ME
- NPI 1265912075
-
- Anatomic Pathology & Clinical Pathology Physician
- Portland, ME
- NPI 1386757607
-
- Hematology & Oncology Physician
- Scarborough, ME
- NPI 1528030814
-
- Clinic/Center
- Portland, ME
- NPI 1487346722
Hospital & facility affiliations 43
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Scarborough, ME
- NPI 1053647024
-
- General Acute Care Hospital
- Portland, ME
- NPI 1346267879
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1521849600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776729600000",
"number": "1689179566",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "324 GANNETT DR STE 200",
"city": "SOUTH PORTLAND",
"state": "ME",
"postal_code": "041063266",
"telephone_number": "207-482-7800"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "22 BRAMHALL ST",
"city": "PORTLAND",
"state": "ME",
"postal_code": "041023134",
"telephone_number": "207-662-4735",
"fax_number": "207-662-6388"
}
],
"practiceLocations": [
{
"address_1": "333 Borthwick Ave",
"address_purpose": "LOCATION",
"city": "Portsmouth",
"state": "NH",
"postal_code": "038017128",
"country_code": "US",
"telephone_number": "603-559-4188",
"fax_number": "603-443-4906",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "11 Rock Row Ste 320",
"address_purpose": "LOCATION",
"city": "Westbrook",
"state": "ME",
"postal_code": "040924877",
"country_code": "US",
"telephone_number": "207-303-3300",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "15 Rock Row Ste 110",
"address_purpose": "LOCATION",
"city": "Westbrook",
"state": "ME",
"postal_code": "040924877",
"country_code": "US",
"telephone_number": "207-303-3300",
"fax_number": "207-241-4439",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "11 Rock Row Ste 120",
"address_purpose": "LOCATION",
"city": "Westbrook",
"state": "ME",
"postal_code": "040924877",
"country_code": "US",
"telephone_number": "207-303-3300",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MILLIGAN",
"first_name": "MICHAEL",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-03-24",
"last_updated": "2026-04-21",
"certification_date": "2026-04-21",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0001X",
"taxonomy_group": "",
"desc": "Radiology, Radiation Oncology",
"state": "ME",
"license": "MD26622",
"primary": true
},
{
"code": "2085R0001X",
"taxonomy_group": "",
"desc": "Radiology, Radiation Oncology",
"state": "NH",
"license": "25443",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Portland, ME
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 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.