Individual provider Active NPI

Karen Andrea Fisher, FNP-BC

  • Family Nurse Practitioner
  • Sudbury, MA
National Provider Identifier
1750082095
Registry record updated Feb 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
RN2298958 Issued in MA
Practice address
501 Boston Post Rd
Sudbury, MA 01776-3335
Phone
(978) 443-7141
NPI assigned
Mar 14, 2023
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 19, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X RN2298958 MA Primary

Addresses

Primary practice location

501 Boston Post Rd
Sudbury, MA 01776-3335

Mailing address

501 Boston Post Rd
Sudbury, MA 01776-3335
Phone (978) 443-7141

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
I20230501002410 MA Practitioner - Nurse Practitioner 3971968793 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Minuteclinic Diagnostic of Massachusetts, LLCGroup PAC ID 2264594944, 106 clinicians

Practice addresses (Care Compare)

311 Newbury St
Danvers, MA 01923-1027
Phone (866) 389-2727

414 Union St
Ashland, MA 01721-2154
Phone (866) 389-2727

501 Boston Post Rd
Sudbury, MA 01776-3335
Phone (866) 389-2727

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
RN2298958MAMDFamily Nurse Practitioner

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678

Organizations & group practices 1

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": "1678752000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771459200000",
    "number": "1750082095",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "501 BOSTON POST RD",
            "city": "SUDBURY",
            "state": "MA",
            "postal_code": "017763335",
            "telephone_number": "978-443-7141"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "501 BOSTON POST RD",
            "city": "SUDBURY",
            "state": "MA",
            "postal_code": "017763335",
            "telephone_number": "978-443-7141"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FISHER",
        "first_name": "KAREN",
        "middle_name": "ANDREA",
        "credential": "FNP-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-03-14",
        "last_updated": "2026-02-19",
        "certification_date": "2026-02-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MA",
            "license": "RN2298958",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sudbury, MA

Sources for this page

Verify at the official NPI Registry.