Nathaniel Morris

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

A151672 Issued in CA

Practice address

1 Main St
San Quentin, CA 94964-1000

Phone

(415) 454-1460

NPI assigned

Apr 1, 2016

Last updated

Jun 18, 2026By the provider in NPPES

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

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• ZSFG

  • Specialist
  • San Francisco, CA
  • NPI 1700629474
  NPD
• Corrections and Rehabilitation-Headquarters

  dba Neumiller Infirmary Pharmacy

  • Pharmacy
  • San Quentin, CA
  • NPI 1922308642
  NPD (past)

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

{
    "created_epoch": "1459468800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781740800000",
    "number": "1972966406",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 MAIN ST",
            "city": "SAN QUENTIN",
            "state": "CA",
            "postal_code": "949641000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 MAIN ST",
            "city": "SAN QUENTIN",
            "state": "CA",
            "postal_code": "949641000",
            "telephone_number": "415-454-1460"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MORRIS",
        "first_name": "NATHANIEL",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-01",
        "last_updated": "2026-06-18",
        "certification_date": "2026-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "A151672",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stephen F Marton, PSYD
• Amar Mehta, M.D.
• Eric Monthei
• Erika Morgan
• Jerry Eugene Morley, D.D.S.
• Ashley Mowrey, PSYD
• Shannon Murray, PSY.D.
• Kaleigh Newcomb, MS
• Theresa Mariko Obrero, LCSW
• Kathy Ortiz-Cobian, PH.D

• Psychiatry Physician in San Quentin, CA
• Providers in San Quentin, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 2026; 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.