Individual provider Active NPI

Christine G Florence, NP

  • Gerontology Nurse Practitioner
  • Chelmsford, MA
National Provider Identifier
1699744979
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gerontology Nurse PractitionerTaxonomy code 363LG0600X
License
137910 Issued in MA
Practice address
228 Billerica Rd
Chelmsford, MA 01824-3604
Phone
(978) 250-6000
Fax
(978) 250-6460
NPI assigned
Mar 17, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 137910 MA
Gerontology Nurse Practitioner 363LG0600X 137910 MA Primary

Addresses

Primary practice location

228 Billerica Rd
Chelmsford, MA 01824-3604

Mailing address

147 Milk St
Provider Enrollment - 9TH Floor
Boston, MA 02109-4806
Phone (617) 559-8053

Other identifiers 3

IdentifierTypeStateIssuer
0370151MedicaidMA
NP1701OtherMABLUE CROSS
F609OtherMAHARVARD PILGRIM

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20051208000686 MA Practitioner - Nurse Practitioner 4789605544 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 1984
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Atrius Health IncGroup PAC ID 4789588641, 1,214 clinicians

Practice addresses (Care Compare)

228 Billerica Rd
Chelmsford, MA 01824-3604
Phone (978) 250-6000

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
137910MAMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Atrius Health, Inc. Nurse Practitioner CurrentSince Jan 5, 1999 Accepting new patients
Atrius Health, Inc. Nurse Practitioner CurrentSince Jan 5, 1999 Accepting new patients

Locations

133 Brookline Ave
Boston, MA 02215
Phone (617) 421-1000

147 Milk St
Fl 9
Boston, MA 02109
Phone (617) 559-8051

228 Billerica Rd
Chelmsford, MA 01824
Phone (978) 250-6000

1250 Hancock St
Quincy, MA 02169
Phone (617) 774-0600

Interoperability endpoints

  • Direct secure messaging: cflorencenp479@direct.atrius.masshiway.net

Organizations & group practices 2

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": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1699744979",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "147 MILK ST",
            "address_2": "PROVIDER ENROLLMENT - 9TH FLOOR",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021094806",
            "telephone_number": "617-559-8053",
            "fax_number": "617-421-3487"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "228 BILLERICA RD",
            "city": "CHELMSFORD",
            "state": "MA",
            "postal_code": "018243604",
            "telephone_number": "978-250-6000",
            "fax_number": "978-250-6460"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLORENCE",
        "first_name": "CHRISTINE",
        "middle_name": "G",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-17",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MA",
            "license": "137910",
            "primary": false
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "MA",
            "license": "137910",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0370151",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS",
            "identifier": "NP1701",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HARVARD PILGRIM",
            "identifier": "F609",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Chelmsford, MA

Sources for this page

Verify at the official NPI Registry.