Matthew Kilthau MD Medical Corporation

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

Legal business name

MATTHEW KILTHAU MD MEDICAL CORPORATION

Practice address

956 Walnut St Ste 200
San Luis Obispo, CA 93401-1707

Phone

(805) 203-6474

Fax

(877) 219-0743

NPI assigned

Dec 18, 2017

Organization subpart

No

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

Authorized official

Name

Matthew Kilthau, M.D.NPI 1831456151

Title

President

Phone

(805) 203-6474

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Locations

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Matthew Kilthau, M.D.

  • Psychiatry Physician
  • San Luis Obispo, CA
  • NPI 1831456151
  Medicare reassignment Authorized official
• Jeffrey Steven Friedman, PH.D.

  • Psychologist
  • San Luis Obispo, CA
  • NPI 1861668469
  NPD
• Nell Bennett, LCSW

  • Clinical Social Worker
  • San Luis Obispo, CA
  • NPI 1326419425
  NPD (past)

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

{
    "created_epoch": "1513555200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771804800000",
    "number": "1457867053",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "302 WASHINGTON ST # 150-5243",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921032110",
            "fax_number": "877-219-0743"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "956 WALNUT ST STE 200",
            "city": "SAN LUIS OBISPO",
            "state": "CA",
            "postal_code": "934011707",
            "telephone_number": "805-203-6474",
            "fax_number": "877-219-0743"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MATTHEW KILTHAU MD MEDICAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2017-12-18",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A",
        "authorized_official_last_name": "KILTHAU",
        "authorized_official_first_name": "MATTHEW",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "805-203-6474",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carlin Joy Matejka, ACSW 123506
• Michael Eugene Mathes, LVN, AEMT
• Dan Matich
• Matrix Medical Corporation
• Rory Matson, ED.S.
• Summer Matthews, BS, CMT
• Malia Mattox
• Jonathan Maule, MS, MA, MFA
• Seth Robert Maule
• Shannon Mawhinney

• Psychiatry Physician in San Luis Obispo, CA
• Providers in San Luis Obispo, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.