Dr Mark Andrew Liker, MD - Medicare Neurosurgery in Valencia, CA

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Dr Mark Andrew Liker, MD is a medicare enrolled "Neurological Surgery" physician in Valencia, California. He graduated from medical school in 1995 and has 31 years of diverse experience with area of expertise as Neurosurgery. He is a member of the group practice Usc Care Medical Group Inc, Neurosurgical Associates Of Los Angeles, Inc. and his current practice location is 23929 Mcbean Pkwy Ste 215, Valencia, California. You can reach out to his office (for appointments etc.) via phone at (661) 799-2542.

Dr Mark Andrew Liker is licensed to practice in California (license number A62368) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1407806292.

Contact Information

Dr Mark Andrew Liker, MD
23929 Mcbean Pkwy Ste 215,
Valencia, CA 91355-4468
(661) 799-2542
Not Available

Map and Direction




Physician's Profile

Full NameDr Mark Andrew Liker
GenderMale
SpecialityNeurosurgery
Experience31 Years
Location23929 Mcbean Pkwy Ste 215, Valencia, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mark Andrew Liker graduated from medical school in 1995
  NPI Data:
  • NPI Number: 1407806292
  • Provider Enumeration Date: 05/11/2006
  • Last Update Date: 04/29/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 8123051042
  • Enrollment ID: I20050912001287

Medical Identifiers

Medical identifiers for Dr Mark Andrew Liker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1407806292NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery A62368 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Henry Mayo Newhall HospitalValencia, CAHospital
Northridge Hospital Medical CenterNorthridge, CAHospital
Keck Hospital Of UscLos angeles, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Usc Care Medical Group Inc04461577471371
Neurosurgical Associates Of Los Angeles, Inc.66088965357

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Mark Andrew Liker allows following entities to bill medicare on his behalf.
Entity NameUsc Care Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902846306
PECOS PAC ID: 0446157747
Enrollment ID: O20050512000412
Entity NameNeurosurgical Associates Of Los Angeles, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316025836
PECOS PAC ID: 6608896535
Enrollment ID: O20051206000901
Entity NameBrainstim Centers, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518506229
PECOS PAC ID: 2062834161
Enrollment ID: O20200618001332

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Mark Andrew Liker is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Mark Andrew Liker, MD
23929 Mcbean Pkwy Ste 215,
Valencia, CA 91355-4468

Ph: (323) 442-5720		Dr Mark Andrew Liker, MD
23929 Mcbean Pkwy Ste 215,
Valencia, CA 91355-4468

Ph: (661) 799-2542

Reviews and Comments


Neurological Surgery Doctors in Valencia, CA

Dr. Travis R Ladner, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 23929 Mcbean Pkwy Ste 215, Valencia, CA 91355
Phone: 661-799-2542    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.