NPIMap

Individual provider Active NPI

Leif David Eriksen, MD

  • Emergency Medicine Physician
  • San Francisco, CA
National Provider Identifier
1235120767
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
G85576 Issued in CA
Practice address
2333 Buchanan St
San Francisco, CA 94115-1925
Phone
(209) 342-2300
Fax
(209) 524-4240
NPI assigned
Nov 3, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
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
Emergency Medicine Physician 207P00000X G85576 CA Primary

Addresses

Primary practice location

2333 Buchanan St
San Francisco, CA 94115-1925

Mailing address

4301 Northstar Way
Modesto, CA 95356-9262
Phone (209) 342-2300

Other identifiers 2

IdentifierTypeStateIssuer
OOG855760OtherCABLUE SHIELD
OOG855760MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20081021000169 CA Practitioner - Emergency Medicine 1153489174 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Medical College of Ohio, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Emergency Physicians Associates Fremont PCGroup PAC ID 8527303585, 32 clinicians

Practice addresses (Care Compare)

2000 Mowry Ave
Fremont, CA 94538-1716
Phone (510) 797-1111

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
77.6 of 100Reported as individual
Quality
81.55
Improvement activities
0
Cost
75.84

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
85576CAMDMarriage & Family Therapist
G85576CAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Physicians Associates Overhead Operating Account Dennis Belo Emergency Medicine CurrentSince Jun 15, 2017 Accepting new patients
Washington Township Hospital District Emergency Medicine CurrentSince May 25, 2012 Accepting new patients
Emergency Physicians Associates San Jose PC Emergency Medicine CurrentSince Jan 1, 2019 Accepting new patients
Washington Township Hospital District Emergency Medicine CurrentSince May 25, 2012 Accepting new patients
Emergency Physicians Associates Fremont PC Emergency Medicine CurrentSince Jan 1, 2019 Accepting new patients
San Francisco Emergency Medical Associates Emergency Medicine Past Accepting new patients
California Em-I Medical Services Emergency Medicine Past Accepting new patients

Locations

2000 Mowry Ave
Fremont, CA 94538
Phone (510) 793-6653

2105 Forest Ave
San Jose, CA 95128
Phone (408) 947-2500

Organizations & group practices 7

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.

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": "1130976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1235120767",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4301 NORTHSTAR WAY",
            "city": "MODESTO",
            "state": "CA",
            "postal_code": "953569262",
            "telephone_number": "209-342-2300",
            "fax_number": "209-524-4240"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2333 BUCHANAN ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941151925",
            "telephone_number": "209-342-2300",
            "fax_number": "209-524-4240"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ERIKSEN",
        "first_name": "LEIF",
        "middle_name": "DAVID",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-03",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "G85576",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD",
            "identifier": "OOG855760",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "OOG855760",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.