Individual provider Active NPI

Stephanie Gay Peffer, N.P.

  • Primary Care Nurse Practitioner
  • Arnold, CA
National Provider Identifier
1447294665
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Primary Care Nurse PractitionerTaxonomy code 363LP2300X
License
NP14695 Issued in CA
Practice address
2740 Highway 4
Drawer V
Arnold, CA 95223
Phone
(209) 795-4488
Fax
(209) 795-0984
NPI assigned
Jun 16, 2006
Last updated
Jul 13, 2026By the provider in NPPES
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 1

Specialty (taxonomy)CodeLicenseStatePrimary
Primary Care Nurse Practitioner 363LP2300X NP14695 CA Primary

Addresses

Primary practice location

2740 Highway 4
Drawer V
Arnold, CA 95223

Mailing address

3667 Muriettas Roost
P.O. Box 4395
Dorrington, CA 95223
Phone (209) 795-4894

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
NP14695CAMDPrimary Care Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Sandra J. Shetzline, DO Inc Past Accepting new patients

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1150416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1447294665",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3667 MURIETTAS ROOST",
            "address_2": "P.O. BOX 4395",
            "city": "DORRINGTON",
            "state": "CA",
            "postal_code": "95223",
            "telephone_number": "209-795-4894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2740 HIGHWAY 4",
            "address_2": "DRAWER V",
            "city": "ARNOLD",
            "state": "CA",
            "postal_code": "95223",
            "telephone_number": "209-795-4488",
            "fax_number": "209-795-0984"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PEFFER",
        "first_name": "STEPHANIE",
        "middle_name": "GAY",
        "credential": "N.P.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-16",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "CA",
            "license": "NP14695",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Arnold, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.