Individual provider Active NPI

Margaret R. McNiel, NP

  • Family Nurse Practitioner
  • San Francisco, CA
National Provider Identifier
1649328386
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
NPF8522 Issued in CA
Practice address
1001 Potrero Ave # 1E21
SFGH Emergency Department
San Francisco, CA 94110-3518
Phone
(415) 206-8111
Fax
(415) 206-4719
NPI assigned
Jan 8, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Registered Nurse 163WE0003X RN503829 CA
Family Nurse Practitioner 363LF0000X NPF8522 CA Primary

Addresses

Primary practice location

1001 Potrero Ave # 1E21
SFGH Emergency Department
San Francisco, CA 94110-3518

Mailing address

1001 Potrero Ave # 1E21
SFGH Emergency Department
San Francisco, CA 94110-3518
Phone (415) 206-8111

Other identifiers 1

IdentifierTypeStateIssuer
055616OtherSFGH INTERNAL USE ONLY-COMMERCIAL NUMBER

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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
I20040216001268 CA Practitioner - Nurse Practitioner 7012802382 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
RN503829CAMDEmergency Registered Nurse
NPF8522CAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
City and County of San Francisco CurrentSince Aug 6, 2017 Accepting new patients
City & County of San Francisco CurrentSince Aug 6, 2017 Accepting new patients
City & County of San Francisco Current Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients

Locations

1001 Potrero Ave
#1E21
San Francisco, CA 94110
Phone (415) 206-8111

1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305

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.

NPI Registry JSON

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

{
    "created_epoch": "1168214400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1649328386",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1001 POTRERO AVE # 1E21",
            "address_2": "SFGH EMERGENCY DEPARTMENT",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941103518",
            "telephone_number": "415-206-8111",
            "fax_number": "415-206-4719"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1001 POTRERO AVE # 1E21",
            "address_2": "SFGH EMERGENCY DEPARTMENT",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941103518",
            "telephone_number": "415-206-8111",
            "fax_number": "415-206-4719"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCNIEL",
        "first_name": "MARGARET",
        "middle_name": "R.",
        "name_prefix": "Ms.",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-01-08",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WE0003X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Emergency",
            "state": "CA",
            "license": "RN503829",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "NPF8522",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "SFGH INTERNAL USE ONLY-COMMERCIAL NUMBER",
            "identifier": "055616",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.