Active NPI
Christopher J Gilligan, MD
- Pain Medicine (Anesthesiology) Physician
- Boston, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pain Medicine (Anesthesiology) Physician
- License
- 25MA12374500
- Practice address
- 75 Francis St
Boston, MA 02115-6110 - Phone
- (617) 732-5500
- NPI assigned
- Jun 15, 2007
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pain Medicine (Anesthesiology) Physician | 207LP2900X | 25MA12374500 | NJ | Primary |
| Anesthesiology Physician | 207L00000X | P-156756 | MA | |
| Emergency Medicine Physician | 207P00000X | 25MA12374500 | NJ | |
| Emergency Medicine Physician | 207P00000X | 156756 | MA |
Addresses
Primary practice location
75 Francis St
Boston, MA 02115-6110
Mailing address
75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA, NJ
- 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
- Pain Management
- Education
- Yale University School of Medicine, 1996
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
125 Paterson St
Suite 5100
New Brunswick, NJ 08901-1962
Phone (732) 235-7246
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| P-156756 | MA | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Rutgers Health-RWJ Scleroderma Program | Current | Accepting new patients | |
| Brigham & Womens Physicians Organization Inc | Anesthesiology | Current | Accepting new patients |
| Rutgers Health-RWJ Scleroderma Program | Current | Accepting new patients | |
| Rutgers Health-RWJ Scleroderma Program | Current | Accepting new patients |
Locations
75 Francis St
Boston, MA 02115
55 Fruit St
Boston, MA 02114
55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967
375 Boylston St
Brookline, MA 02445
Phone (508) 718-4010
1153 Centre St
Jamaica Plain, MA 02130
Phone (617) 983-7000
125 Paterson St
Ste 5100
New Brunswick, NJ 08901
Phone (732) 235-7060
125 Paterson St
Ste 6100
New Brunswick, NJ 08901
Phone (732) 235-6561
Organizations & group practices 4
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.
-
- Allergy & Immunology (Internal Medicine) Physician
- New Brunswick, NJ
- NPI 1679655781
-
- Internal Medicine Physician
- Boston, MA
- NPI 1033535497
Anesthesiology
-
- Psychiatry Physician
- Piscataway, NJ
- NPI 1033207378
-
- Pediatric Endocrinology Physician
- New Brunswick, NJ
- NPI 1457372104
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1181865600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1767571200000",
"number": "1871798397",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "75 FRANCIS ST",
"city": "BOSTON",
"state": "MA",
"postal_code": "021156110",
"telephone_number": "617-732-5500"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "75 FRANCIS ST",
"city": "BOSTON",
"state": "MA",
"postal_code": "021156110",
"telephone_number": "617-732-5500"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GILLIGAN",
"first_name": "CHRISTOPHER",
"middle_name": "J",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-06-15",
"last_updated": "2026-01-05",
"certification_date": "2026-01-05",
"status": "A"
},
"taxonomies": [
{
"code": "207LP2900X",
"taxonomy_group": "",
"desc": "Anesthesiology, Pain Medicine",
"state": "NJ",
"license": "25MA12374500",
"primary": true
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "MA",
"license": "P-156756",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "NJ",
"license": "25MA12374500",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "MA",
"license": "156756",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Boston, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 5, 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.