Dr Michael S Lewis, MD - Medicare Pathology in Los Angeles, CA

Dr Michael S Lewis, MD is a medicare enrolled "Pathology - Anatomic Pathology & Clinical Pathology" physician in Los Angeles, California. He went to Boston University School Of Medicine and graduated in 2004 and has 22 years of diverse experience with area of expertise as Pathology. He is a member of the group practice Digestive Health Associates Of Southern California, Gastroenterology Specialists Medical Group Inc A Medical Corporation, Western Carolina Digestive Consultants Pa, Digestive Health Consultants Plc and his current practice location is 11301 Wilshire Blvd Rm 1256, Los Angeles, California. You can reach out to his office (for appointments etc.) via phone at (310) 478-3711.

Dr Michael S Lewis is licensed to practice in California (license number A102134) 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 1306047139.

Contact Information

Dr Michael S Lewis, MD
11301 Wilshire Blvd Rm 1256,
Los Angeles, CA 90073-1003
(310) 478-3711
Not Available

Map and Direction




Physician's Profile

Full NameDr Michael S Lewis
GenderMale
SpecialityPathology
Experience22 Years
Location11301 Wilshire Blvd Rm 1256, Los Angeles, 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 Michael S Lewis attended and graduated from Boston University School Of Medicine in 2004
  NPI Data:
  • NPI Number: 1306047139
  • Provider Enumeration Date: 05/30/2007
  • Last Update Date: 06/22/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5294119236
  • Enrollment ID: I20240126000654

Medical Identifiers

Medical identifiers for Dr Michael S Lewis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306047139NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207ZP0102XPathology - Anatomic Pathology & Clinical Pathology 237025 (New York)Secondary
207ZP0102XPathology - Anatomic Pathology & Clinical Pathology A102134 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Digestive Health Associates Of Southern California337580688818
Gastroenterology Specialists Medical Group Inc A Medical Corporation51936130085
Western Carolina Digestive Consultants Pa88200654779
Digestive Health Consultants Plc195136355510

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 Michael S Lewis allows following entities to bill medicare on his behalf.
Entity NameGastroenterology Specialists Medical Group Inc A Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629170998
PECOS PAC ID: 5193613008
Enrollment ID: O20040310000752
Entity NameDigestive Health Associates Of Southern California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639604747
PECOS PAC ID: 3375806888
Enrollment ID: O20180416002250

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 Michael S Lewis 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 Michael S Lewis, MD
11301 Wilshire Blvd Rm 1256,
Los Angeles, CA 90073-1003

Ph: (310) 478-3711
Dr Michael S Lewis, MD
11301 Wilshire Blvd Rm 1256,
Los Angeles, CA 90073-1003

Ph: (310) 478-3711

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).

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.