Individual provider Active NPI

Michael Warren Nielsen, MD

  • Emergency Medicine Physician
  • San Diego, CA
National Provider Identifier
1255301370
Registry record updated Feb 4, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A79412 Issued in CA
Practice address
200 W Arbor Dr
San Diego, CA 92103-9001
Phone
(619) 543-6236
NPI assigned
Jan 23, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 4, 2010

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 A79412 CA Primary

Addresses

Primary practice location

200 W Arbor Dr
San Diego, CA 92103-9001

Mailing address

3603 Ingraham St
San Diego, CA 92109-6717
Phone (858) 353-3530

Other identifiers 2

IdentifierTypeStateIssuer
1255301370MedicaidCA
00A7941206141MedicaidCA

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20080505000614 CA Practitioner - Emergency MedicinePractitioner - Family Practice 8224117098 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A79412CAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Services Medical Corporation Emergency Medicine CurrentSince Jan 1, 2010 Accepting new patients

Locations

7901 Frost St
San Diego, CA 92123
Phone (619) 541-3400

Interoperability endpoints

  • Direct secure messaging: michael.nielsen.1@31047.direct.athenahealth.com
  • Direct secure messaging: michael.nielsen.1@29298.direct.athenahealth.com

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1137974400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1265241600000",
    "number": "1255301370",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3603 INGRAHAM ST",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921096717",
            "telephone_number": "858-353-3530"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 W ARBOR DR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921039001",
            "telephone_number": "619-543-6236"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIELSEN",
        "first_name": "MICHAEL",
        "middle_name": "WARREN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-01-23",
        "last_updated": "2010-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A79412",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1255301370",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A7941206141",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Diego, CA

Sources for this page

Verify at the official NPI Registry.