Individual provider Active NPI

Elizabeth C Grieser, FNP-C

  • Nurse Practitioner
  • Providence, RI
National Provider Identifier
1801634365
Registry record updated Jul 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
APRN04089 Issued in RI
Practice address
593 Eddy St.
Claverick 2
Providence, RI 02903
Phone
(401) 444-4000
NPI assigned
Jul 18, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Nurse Practitioner 363L00000X APRN04089 RI Primary

Addresses

Primary practice location

593 Eddy St.
Claverick 2
Providence, RI 02903

Mailing address

110 Elm St
Providence, RI 02903-4626

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in RI
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
I20250710002043 RI Practitioner - Nurse Practitioner 5890209886 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Lifespan Physician Group IncGroup PAC ID 2567455082, 1,151 clinicians
Brown Emergency MedicineGroup PAC ID 7214833169, 140 clinicians

Practice addresses (Care Compare)

593 Eddy St
Providence, RI 02903-4923
Phone (401) 444-4000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
APRN04089RIMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Brown Emergency Medicine Nurse Practitioner CurrentSince Sep 1, 2025 Accepting new patients
Lifespan Physician Group, Inc. CurrentSince Feb 1, 2026 Accepting new patients
Lifespan Physician Group, Inc. Nurse Practitioner CurrentSince Feb 1, 2026 Accepting new patients

Locations

185A High Service Ave
North Providence, RI 02904
Phone (401) 354-6050

164 Summit Ave
Providence, RI 02906
Phone (401) 793-2104

593 Eddy St
Providence, RI 02903

593 Eddy St
#2
Providence, RI 02903
Phone (401) 519-1604

55 Claverick St
Fl 2
Providence, RI 02903

110 Elm St
Providence, RI 02903
Phone (401) 443-4992

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1721260800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752710400000",
    "number": "1801634365",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 ELM ST",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029034626"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "593 EDDY ST.",
            "address_2": "CLAVERICK 2",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "02903",
            "telephone_number": "401-444-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIESER",
        "first_name": "ELIZABETH",
        "middle_name": "C",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-07-18",
        "last_updated": "2025-07-17",
        "certification_date": "2025-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "RI",
            "license": "APRN04089",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Providence, RI

Sources for this page

Verify at the official NPI Registry.