Mark Andrew Liker, M.D.

Primary specialty

Neurological Surgery PhysicianTaxonomy code 207T00000X

License

A62368 Issued in CA

Practice address

23929 McBean Pkwy Ste 215
Valencia, CA 91355-4468

Phone

(661) 799-2542

NPI assigned

May 11, 2006

Last updated

Apr 29, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Neurosurgery

Education

Other, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Usc Care Medical Group IncGroup PAC ID 0446157747, 1,378 clinicians

Neurosurgical Associates of Los Angeles, Inc.Group PAC ID 6608896535, 7 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Henry Mayo Newhall Hospital Hospital, Valencia, CA, CCN 050624
• Northridge Hospital Medical Center Hospital, Northridge, CA, CCN 050116
• Keck Hospital of Usc Hospital, Los Angeles, CA, CCN 050696

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Neurosurgical Associates of Los Angeles, Inc.

  • Neurological Surgery Physician
  • Valencia, CA
  • NPI 1316025836
  Medicare reassignment Care Compare group NPD Authorized official
• Usc Care Medical Group, Inc

  • General Practice Physician
  • Los Angeles, CA
  • NPI 1902846306

  Neurological Surgery

  Medicare reassignment Care Compare group NPD
• Brainstim Centers, Inc

  • Neurology Physician
  • Valencia, CA
  • NPI 1518506229
  NPD Authorized official
• Los Angeles Neurotrauma Associates, Inc.

  • Neurological Surgery Physician
  • Valencia, CA
  • NPI 1508481391
  Authorized official Same address or phone
• Mental Wellness for Life a Nursing Corporation

  • Psychiatric/Mental Health Nurse Practitioner
  • Valencia, CA
  • NPI 1982326740
  NPD
• New Horizon Surgical Center, LLC

  • Ambulatory Surgical Clinic/Center
  • Bakersfield, CA
  • NPI 1629424866
  NPD
• Usc Care Medical Group, Inc

  dba Fair Oaks Clinic

  • Durable Medical Equipment & Medical Supplies
  • Pasadena, CA
  • NPI 1427937390
  NPD
• Bakersfield Memorial Hospital

  dba Bakersfield Memorial Hospital Pharmacy

  • Institutional Pharmacy
  • Bakersfield, CA
  • NPI 1144256363
  NPD (past)
• Childrens Hospital of Los Angeles

  • Children's Hospital
  • Los Angeles, CA
  • NPI 1124073366
  NPD (past)
• Dignity Health

  dba Mercy Hospital

  • General Acute Care Hospital
  • Bakersfield, CA
  • NPI 1104981661
  NPD (past)
• Henry Mayo Newhall Memorial Hospital

  dba Henry Mayo Newhall Hospital

  • General Acute Care Hospital
  • Valencia, CA
  • NPI 1780668434
  NPD (past)
• Keck Medical Center of Usc

  dba USC Kenneth Norris Jr. Hospital

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1417554528
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Dignity Community Care

  dba Northridge Hospital Medical Center

  • General Acute Care Hospital
  • Northridge, CA
  • NPI 1417089350
  Care Compare affiliation
• Henry Mayo Newhall Memorial Hospital

  dba Henry Mayo Newhall Hospital

  • General Acute Care Hospital
  • Valencia, CA
  • NPI 1780668434
  Care Compare affiliation
• Keck Medical Center of Usc

  dba Keck Hospital of USC

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1013514199
  Care Compare affiliation

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

{
    "created_epoch": "1147305600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777420800000",
    "number": "1407806292",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23929 MCBEAN PKWY STE 215",
            "city": "VALENCIA",
            "state": "CA",
            "postal_code": "913554468",
            "telephone_number": "323-442-5720"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23929 MCBEAN PKWY STE 215",
            "city": "VALENCIA",
            "state": "CA",
            "postal_code": "913554468",
            "telephone_number": "661-799-2542"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LIKER",
        "first_name": "MARK",
        "middle_name": "ANDREW",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-05-11",
        "last_updated": "2026-04-29",
        "certification_date": "2026-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "CA",
            "license": "A62368",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katelyn J Liao, PHARMD
• Jennie H. Lien, N.P.
• Life Lanscaping, Inc (Santa Clarita Behavioral Health)
• Life Line Community Healthcare California (Life Line Community Healthcare-CA)
• Lifepoint Rehab Physician Services LLC (California Rehabilitation Physician Services)
• Sally Jo Liljedahl, LCSW
• Lilly Rose Marshall Medical Corp.
• Dana Limon
• Chien-Liang Lin, ACUPUNCTURIST
• John Lin, M.D.

• Neurological Surgery Physician in Valencia, CA
• Providers in Valencia, CA by specialty
• Neurological Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 29, 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.
• 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.