Matthew Kilthau, M.D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

A146050 Issued in CA

Practice address

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

Phone

(805) 203-6474

Fax

(877) 219-0743

NPI assigned

Apr 12, 2012

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NY, CA2 enrollments

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 2

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.

• Matthew Kilthau MD Medical Corporation

  • Psychiatry Physician
  • San Luis Obispo, CA
  • NPI 1457867053
  Medicare reassignment Authorized official
• Department of State Hospitals

  • Psychiatric Hospital
  • Coalinga, CA
  • NPI 1124078704
  Medicare reassignment NPD
• The Unity Hospital of Rochester

  • General Acute Care Hospital
  • Rochester, NY
  • NPI 1760421713
  Medicare reassignment NPD
• Blanton-Peale Institute

  • Mental Health Counselor
  • New York City, NY
  • NPI 1225195787
  Medicare reassignment
• Department of State Hospitals

  • Psychiatric Hospital
  • Atascadero, CA
  • NPI 1174573802
  NPD
• Jeffrey Friedman, PHD, Psychologist, Inc

  • Psychologist
  • San Luis Obispo, CA
  • NPI 1659382182
  NPD
• The Unity Hospital of Rochester

  • General Acute Care Hospital
  • Rochester, NY
  • NPI 1457395766
  NPD

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

{
    "created_epoch": "1334188800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1831456151",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "956 WALNUT ST STE 200E",
            "city": "SAN LUIS OBISPO",
            "state": "CA",
            "postal_code": "934011707",
            "telephone_number": "805-203-6474",
            "fax_number": "877-219-0743"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "956 WALNUT ST STE 200E",
            "city": "SAN LUIS OBISPO",
            "state": "CA",
            "postal_code": "934011707",
            "telephone_number": "805-203-6474",
            "fax_number": "877-219-0743"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10333 El Camino Real",
            "address_purpose": "LOCATION",
            "city": "Atascadero",
            "state": "CA",
            "postal_code": "934225808",
            "country_code": "US",
            "telephone_number": "805-468-2188",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KILTHAU",
        "first_name": "MATTHEW",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-04-12",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "A146050",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "276841",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Daniel Kielty, LVN
• George S Kienle, DO
• Yusuke Kihira, DPM
• Christine Denise Kilcline, M.D.
• Denise Kilimnik
• Erica Sungeun Kim I
• Grace L Kim, M.D.
• Jennifer Kim
• Matthew Y Kim, DDS
• Monica Serrao Kim, LMFT

• 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; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.