Merl W O'Brien, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

G34781 Issued in CA

Practice address

4156 Manzanita Ave
Suite 100
Carmichael, CA 95608-1726

Phone

(916) 483-5400

Fax

(916) 483-1937

NPI assigned

Jun 14, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1150243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1386687317",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4156 MANZANITA AVE",
            "address_2": "SUITE 100",
            "city": "CARMICHAEL",
            "state": "CA",
            "postal_code": "956081726",
            "telephone_number": "916-483-5400",
            "fax_number": "916-483-1937"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4156 MANZANITA AVE",
            "address_2": "SUITE 100",
            "city": "CARMICHAEL",
            "state": "CA",
            "postal_code": "956081726",
            "telephone_number": "916-483-5400",
            "fax_number": "916-483-1937"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "MERL",
        "middle_name": "W",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-14",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "G34781",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kevin P Nugent, MD
• Abdirahman S. Nuh, M.D.
• Alisha Nunes, M.S., CCC-SLP
• Melvin S Nunn, MD
• Jeannine A. O'Brien, PA-C
• Erin Elizabeth O'Rourke, NP
• Kristianne M Obligar
• Cindy Obry
• Chidiebere Ekenm Okoh
• Nicole Oldenburg

• Emergency Medicine Physician in Carmichael, CA
• Providers in Carmichael, CA by specialty
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2007; 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.