Brennan Mason Ross Spiegel, MD - Medicare Gastroenterology in Los Angeles, CA

Brennan Mason Ross Spiegel, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Los Angeles, California. He went to New York Medical College and graduated in 1998 and has 26 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Cedars-sinai Medical Center and his current practice location is 200 Medical Plaza, #365,530,420,120, Los Angeles, California. You can reach out to his office (for appointments etc.) via phone at (310) 478-3711.

Brennan Mason Ross Spiegel is licensed to practice in California (license number A70587) 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 1184644189.

Contact Information

Brennan Mason Ross Spiegel, MD
200 Medical Plaza, #365,530,420,120,
Los Angeles, CA 90095
(310) 478-3711
Not Available

Map and Direction




Physician's Profile

Full NameBrennan Mason Ross Spiegel
GenderMale
SpecialityGastroenterology
Experience26 Years
Location200 Medical Plaza, 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:
  • Brennan Mason Ross Spiegel attended and graduated from New York Medical College in 1998
  NPI Data:
  • NPI Number: 1184644189
  • Provider Enumeration Date: 07/20/2006
  • Last Update Date: 07/20/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 9133189988
  • Enrollment ID: I20041015000245

Medical Identifiers

Medical identifiers for Brennan Mason Ross Spiegel such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184644189NPI-NPPES
00A705870MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology A70587 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Cedars-sinai Medical CenterLos angeles, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cedars-sinai Medical Center0446169114651

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. Brennan Mason Ross Spiegel allows following entities to bill medicare on his behalf.
Entity NameCedars-sinai Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639172372
PECOS PAC ID: 0446169114
Enrollment ID: O20040204000886

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. Brennan Mason Ross Spiegel 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
Brennan Mason Ross Spiegel, MD
5767 W Century Blvd, Suite 200,
Los Angeles, CA 90045-5632

Ph: (310) 478-3711
Brennan Mason Ross Spiegel, MD
200 Medical Plaza, #365,530,420,120,
Los Angeles, CA 90095

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.