Mark Wesley Bustillo Co

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

95013538 Issued in CA

Practice address

14445 Olive View Dr
Sylmar, CA 91342-1438

Phone

(747) 210-3000

NPI assigned

Aug 13, 2015

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

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: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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.

• County of Los Angeles

  • General Acute Care Hospital
  • Torrance, CA
  • NPI 1851363188
  Medicare reassignment NPD
• Los Angeles County Department of Mental Health

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Los Angeles, CA
  • NPI 1083633929
  Medicare reassignment NPD
• County of Los Angeles

  • Clinic/Center
  • Los Angeles, CA
  • NPI 1295407401
  NPD
• County of Los Angeles Auditor Controller

  • General Acute Care Hospital
  • Sylmar, CA
  • NPI 1134159320
  NPD
• Los Angeles County Department of Mental Health

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Granada Hills, CA
  • NPI 1699802488
  NPD
• Los Angeles County Department of Mental Health

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Arcadia, CA
  • NPI 1902676075
  NPD

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

{
    "created_epoch": "1439424000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776297600000",
    "number": "1477929461",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14445 OLIVE VIEW DR",
            "city": "SYLMAR",
            "state": "CA",
            "postal_code": "913421438",
            "telephone_number": "747-210-3000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14445 OLIVE VIEW DR",
            "city": "SYLMAR",
            "state": "CA",
            "postal_code": "913421438",
            "telephone_number": "747-210-3000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CO",
        "first_name": "MARK WESLEY",
        "middle_name": "BUSTILLO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-08-13",
        "last_updated": "2026-04-16",
        "certification_date": "2026-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WP0808X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Psychiatric/Mental Health",
            "state": "CA",
            "license": "697369",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "95013538",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95013538",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alexa Ann Ciarolla
• Mona Clark
• Marjan Clarke, WHNP
• Tom Sean Cleary, PH.D.
• Brealonie Clemons
• Samuel Ari Cohen, MD
• Carletta Cole
• Janet Constance Coleman-Belin, MD
• Michelle Collins, O.D.
• Lisabeth Colorado, PH.D.

• Nurse Practitioner in Sylmar, CA
• Providers in Sylmar, CA by specialty
• Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 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.