Matthew O'Brien, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

180914 Issued in CA

Practice address

10333 El Camino Real
Atascadero, CA 93422-5808

Phone

(805) 468-2000

NPI assigned

Mar 16, 2019

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

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

Specialty

Psychiatry

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Department of State HospitalsGroup PAC ID 9638174238, 275 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Department of State Hospitals

  • Psychiatric Hospital
  • Coalinga, CA
  • NPI 1124078704
  Medicare reassignment Care Compare group NPD
• Department of State Hospitals

  • Psychiatric Hospital
  • Atascadero, CA
  • NPI 1174573802
  NPD

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

{
    "created_epoch": "1552694400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1695859200000",
    "number": "1376002600",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8019 S. COMPTON AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "90001",
            "telephone_number": "323-586-7333"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10333 EL CAMINO REAL",
            "city": "ATASCADERO",
            "state": "CA",
            "postal_code": "934225808",
            "telephone_number": "805-468-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8019 S. Compton Ave",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "90001",
            "country_code": "US",
            "telephone_number": "323-586-7333",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "MATTHEW",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-16",
        "last_updated": "2023-09-28",
        "certification_date": "2023-09-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "180914",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• North County Physical Therapy, Inc
• North County Swallow & Speech Pathology, PC
• Jillian Nowakowski, SLP
• Mason Nutter, LCSW
• Caitlin O'Brien-Masonis, PSY.D
• Abiodun Olufemi Obadina, M.D.,
• Raul Ocampoarroyo
• Reyna Michelle Ochoa
• Stephanie Oldham, M.A., CCC-SLP
• Peyton Ellis Oliver, BCAT, RBT

• Psychiatry Physician in Atascadero, CA
• Providers in Atascadero, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 28, 2023; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.