Individual provider Active NPI

Christine M. Fitzgibbons, M.D.

  • Sleep Medicine (Internal Medicine) Physician
  • Westborough, MA
National Provider Identifier
1194771220
Registry record updated Aug 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X
License
224279 Issued in MA
Practice address
154 E Main St
Westborough, MA 01581-1768
Phone
(508) 366-1120
NPI assigned
May 26, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 13, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 224279 MA
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 224279 MA
Pulmonary Disease Physician 207RP1001X 224279 MA
Sleep Medicine (Internal Medicine) Physician 207RS0012X 224279 MA Primary

Addresses

Primary practice location

154 E Main St
Westborough, MA 01581-1768

Mailing address

PO Box 415348
Boston, MA 02241-5348
Phone (800) 225-8885

Other identifiers 1

IdentifierTypeStateIssuer
110040892AMedicaidMA

Other names 1

  • Christine M. O'Brien Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20050614000724 MA Practitioner - Pulmonary DiseasePractitioner - Sleep Medicine 2668416389 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Sleep Medicine
Education
Boston University School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Practice addresses (Care Compare)

55 Lake Ave N
Worcester, MA 01655-0002
Phone (508) 334-1000

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
224279MAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Rehabilitation Medical Associates, P.C. Internal Medicine PastSince May 26, 2024 Accepting new patients
Coastal Medical Associates Past Accepting new patients

Organizations & group practices 3

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": "1148601600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755043200000",
    "number": "1194771220",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 415348",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022415348",
            "telephone_number": "800-225-8885"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "154 E MAIN ST",
            "city": "WESTBOROUGH",
            "state": "MA",
            "postal_code": "015811768",
            "telephone_number": "508-366-1120"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FITZGIBBONS",
        "first_name": "CHRISTINE",
        "middle_name": "M.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-26",
        "last_updated": "2025-08-13",
        "certification_date": "2025-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "224279",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "MA",
            "license": "224279",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MA",
            "license": "224279",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "MA",
            "license": "224279",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110040892A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHRISTINE",
            "last_name": "O'BRIEN",
            "middle_name": "M.",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Westborough, MA

Sources for this page

Verify at the official NPI Registry.