Individual provider Active NPI

Margaret Emily Peterson, R.N.F.A.

  • Orthopedic Registered Nurse
  • Larkspur, CA
National Provider Identifier
1952395071
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopedic Registered NurseTaxonomy code 163WX0800X
License
336570 Issued in CA
Practice address
438 Riviera Cir
Larkspur, CA 94939-1510
Phone
(415) 927-8848
Fax
(415) 927-8858
NPI assigned
Sep 2, 2005
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
Orthopedic Registered Nurse 163WX0800X 336570 CA Primary

Addresses

Primary practice location

438 Riviera Cir
Larkspur, CA 94939-1510

Mailing address

438 Riviera Cir
Larkspur, CA 94939-1510
Phone (415) 927-8848

Other names 1

  • Margaret Fabbri-Peterson Professional name

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)
Not enrolled

State licenses

LicenseStateTypeSpecialty
336570CAMDOrthopedic Registered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1125619200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1952395071",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "438 RIVIERA CIR",
            "city": "LARKSPUR",
            "state": "CA",
            "postal_code": "949391510",
            "telephone_number": "415-927-8848",
            "fax_number": "415-927-8858"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "438 RIVIERA CIR",
            "city": "LARKSPUR",
            "state": "CA",
            "postal_code": "949391510",
            "telephone_number": "415-927-8848",
            "fax_number": "415-927-8858"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PETERSON",
        "first_name": "MARGARET",
        "middle_name": "EMILY",
        "name_prefix": "Mrs.",
        "credential": "R.N.F.A.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-09-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WX0800X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Orthopedic",
            "state": "CA",
            "license": "336570",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARGARET",
            "last_name": "FABBRI-PETERSON",
            "credential": "R.N.F.A.",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Larkspur, 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.