Individual provider Active NPI

Christopher J Gilligan, MD

  • Pain Medicine (Anesthesiology) Physician
  • Boston, MA
National Provider Identifier
1871798397
Registry record updated Jan 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pain Medicine (Anesthesiology) PhysicianTaxonomy code 207LP2900X
License
25MA12374500 Issued in NJ
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

Updated by the provider on Jan 5, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
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, NJ2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20080811000258 MA Practitioner - Emergency MedicinePractitioner - AnesthesiologyPractitioner - Pain ManagementPractitioner - Other (Physician) 6103990031 Reassigns benefits to 1 organization
I20250331001321 NJ Practitioner - Pain ManagementPractitioner - Emergency Medicine 6103990031 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pain ManagementAlso: Emergency Medicine
Education
Yale University School of Medicine, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Rutgers Health-RWJ Scleroderma ProgramGroup PAC ID 5193764991, 390 clinicians

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

LicenseStateTypeSpecialty
P-156756MAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Rutgers Health-RWJ Scleroderma Program CurrentSince Jan 26, 2025 Accepting new patients
Brigham & Womens Physicians Organization Inc Anesthesiology CurrentSince Nov 1, 2016 Accepting new patients
Rutgers Health-RWJ Scleroderma Program CurrentSince Jan 26, 2025 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.

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

Verify at the official NPI Registry.