Individual provider Active NPI

Gretchen Nicole Grossheim, FNP-C

  • Family Nurse Practitioner
  • Boston, MA
National Provider Identifier
1700644606
Registry record updated Mar 6, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
RN2298637 Issued in MA
Practice address
1 Deaconess Rd
Boston, MA 02215-5321
Phone
(617) 667-7000
NPI assigned
Mar 6, 2024
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 6, 2024

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 RN2298637 MA Primary

Addresses

Primary practice location

1 Deaconess Rd
Boston, MA 02215-5321

Mailing address

1 Deaconess Rd
Boston, MA 02215-5321

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
I20250708003136 MA Practitioner - Nurse Practitioner 6002320462 Reassigns benefits to 3 organizations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Jul 1, 2025 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Jul 1, 2025 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Aug 1, 2025 Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is Current Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Current Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Sep 1, 2025 Accepting new patients

Locations

1 Deaconess Rd
Boston, MA 02215
Phone (617) 754-2323

330 Brookline Ave
Boston, MA 02215
Phone (617) 667-2000

101 Page St
New Bedford, MA 02740
Phone (508) 961-5425

Organizations & group practices 6

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": "1709683200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1709683200000",
    "number": "1700644606",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 DEACONESS RD",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155321"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 DEACONESS RD",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155321",
            "telephone_number": "617-667-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GROSSHEIM",
        "first_name": "GRETCHEN",
        "middle_name": "NICOLE",
        "credential": "FNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-03-06",
        "last_updated": "2024-03-06",
        "certification_date": "2024-03-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MA",
            "license": "RN2298637",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.