Allen D Efron, MD - Medicare Neurosurgery in Redwood City, CA

Allen D Efron, MD is a medicare enrolled "Neurological Surgery" physician in Redwood City, California. He went to Stanford University School Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as Neurosurgery. He is a member of the group practice Hawaii Permanente Medical Group Inc and his current practice location is 1150 Veterans Blvd, Redwood City, California. You can reach out to his office (for appointments etc.) via phone at (650) 299-2000.

Allen D Efron is licensed to practice in California (license number G66809) 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 1831277482.

Contact Information

Allen D Efron, MD
1150 Veterans Blvd,
Redwood City, CA 94063-2037
(650) 299-2000
Not Available

Map and Direction




Physician's Profile

Full NameAllen D Efron
GenderMale
SpecialityNeurosurgery
Experience36 Years
Location1150 Veterans Blvd, Redwood City, 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:
  • Allen D Efron attended and graduated from Stanford University School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1831277482
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 12/09/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8325091689
  • Enrollment ID: I20220517002051

Medical Identifiers

Medical identifiers for Allen D Efron such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831277482NPI-NPPES
00G668090MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery G66809 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation HospitalHonolulu, HIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hawaii Permanente Medical Group Inc7618880667578

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. Allen D Efron allows following entities to bill medicare on his behalf.
Entity NameHawaii Permanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710945969
PECOS PAC ID: 7618880667
Enrollment ID: O20031106000625

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. Allen D Efron 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
Allen D Efron, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Allen D Efron, MD
1150 Veterans Blvd,
Redwood City, CA 94063-2037

Ph: (650) 299-2000

Reviews and Comments


Neurological Surgery Doctors in Redwood City, CA

Dr. Tina N. Nguyen, M.D.
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 1150 Veterans Blvd, Redwood City, CA 94063
Phone: 650-299-2290    
Scott Jason Peak, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1150 Veterans Blvd, Kaiser Permanente Department Of Neurosurgery 3rd Floor, Redwood City, CA 94063
Phone: 650-299-2290    Fax: 650-299-2677
William F. Sheridan, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1150 Veterans Blvd, Redwood City, CA 94063
Phone: 650-299-2000    
Lyndell Y. Wang, MD
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 1150 Veterans Blvd, Redwood City, CA 94063
Phone: 650-299-2000    
Alexander Kleider, MD
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 1150 Veterans Blvd, Redwood City, CA 94063
Phone: 650-299-2000    
Cecil L. Jun, MD
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 1150 Veterans Blvd, Redwood City, CA 94063
Phone: 650-299-2000    

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.