Brent Jacob Geffen, MD - Medicare Otolaryngology in Simi Valley, CA

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Brent Jacob Geffen, MD is a medicare enrolled "Otolaryngology" physician in Simi Valley, California. His current practice location is 2876 Sycamore Dr, Simi Valley, California. You can reach out to his office (for appointments etc.) via phone at (805) 379-9646.

Brent Jacob Geffen is licensed to practice in California (license number 185833) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1528562527.

Contact Information

Brent Jacob Geffen, MD
2876 Sycamore Dr,
Simi Valley, CA 93065-1530
(805) 379-9646
Not Available

Map and Direction




Physician's Profile

Full NameBrent Jacob Geffen
GenderMale
SpecialityOtolaryngology
Location2876 Sycamore Dr, Simi Valley, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1528562527
  • Provider Enumeration Date: 03/22/2018
  • Last Update Date: 05/30/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1759714736
  • Enrollment ID: I20230721003318

Medical Identifiers

Medical identifiers for Brent Jacob Geffen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528562527NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Y00000XOtolaryngology 185833 (California)Primary
207Y00000XOtolaryngology 11393298-1205 (Utah)Secondary

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. Brent Jacob Geffen allows following entities to bill medicare on his behalf.
Entity NameWest Coast Ear, Nose And Throat
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588868863
PECOS PAC ID: 9638352503
Enrollment ID: O20110330000774

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. Brent Jacob Geffen 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
Brent Jacob Geffen, MD
2876 Sycamore Dr,
Simi Valley, CA 93065-1530

Ph: (805) 379-9646		Brent Jacob Geffen, MD
2876 Sycamore Dr,
Simi Valley, CA 93065-1530

Ph: (805) 379-9646

Reviews and Comments


Otolaryngology Doctors in Simi Valley, CA

Dr. Mark David Kayne, M.D.
Otolaryngology
Medicare: Not Enrolled in Medicare
Practice Location: 953 Clear Sky Pl, Simi Valley, CA 93065
Phone: 805-526-3621    Fax: 805-526-3621
Dr. Martin Edward Wareham, M.D.
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 2876 Sycamore Dr, Ste 303, Simi Valley, CA 93065
Phone: 805-379-9646    Fax: 805-379-0611

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.