Dr Mikako Warren, MD - Medicare Pathology in Los Angeles, CA

Dr Mikako Warren, MD is a medicare enrolled "Pathology - Pediatric Pathology" physician in Los Angeles, California. She graduated from medical school in 1997 and has 27 years of diverse experience with area of expertise as Pathology. She is a member of the group practice Chlamg-pathology Lp and her current practice location is 4650 W Sunset Blvd, Los Angeles, California. You can reach out to her office (for appointments etc.) via phone at (323) 660-2450.

Dr Mikako Warren is licensed to practice in California (license number A135650) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1114125283.

Contact Information

Dr Mikako Warren, MD
4650 W Sunset Blvd,
Los Angeles, CA 90027-6062
(323) 660-2450
(323) 361-8052

Map and Direction




Physician's Profile

Full NameDr Mikako Warren
GenderFemale
SpecialityPathology
Experience27 Years
Location4650 W Sunset Blvd, Los Angeles, California
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mikako Warren graduated from medical school in 1997
  NPI Data:
  • NPI Number: 1114125283
  • Provider Enumeration Date: 07/10/2007
  • Last Update Date: 03/06/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 0244471308
  • Enrollment ID: I20150921003055

Medical Identifiers

Medical identifiers for Dr Mikako Warren such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114125283NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207ZP0213XPathology - Pediatric Pathology A135650 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Chlamg-pathology Lp85272452247

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 Mikako Warren allows following entities to bill medicare on her behalf.
Entity NameChlamg-pathology Lp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316241102
PECOS PAC ID: 8527245224
Enrollment ID: O20110607000051

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 Mikako Warren 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 Mikako Warren, MD
3701 Wilshire Blvd Ste 600,
Los Angeles, CA 90010-2814

Ph: (323) 361-3550
Dr Mikako Warren, MD
4650 W Sunset Blvd,
Los Angeles, CA 90027-6062

Ph: (323) 660-2450

Reviews and Comments


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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).

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