Geoffrey Robert Adey, MD - Medicare Neurological Surgery in Walnut Creek, CA

Geoffrey Robert Adey, MD is a medicare enrolled "Neurological Surgery" physician in Walnut Creek, California. His current practice location is 1455 Montego Street, Suite 200, Walnut Creek, California. You can reach out to his office (for appointments etc.) via phone at (925) 937-0404.

Geoffrey Robert Adey is licensed to practice in California (license number G82135) 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 1447362520.

Contact Information

Geoffrey Robert Adey, MD
1455 Montego Street, Suite 200,
Walnut Creek, CA 94598
(925) 937-0404
(925) 937-1340

Map and Direction




Physician's Profile

Full NameGeoffrey Robert Adey
GenderMale
SpecialityNeurological Surgery
Location1455 Montego Street, Walnut Creek, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1447362520
  • Provider Enumeration Date: 08/31/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 9739249814
  • Enrollment ID: I20081119000316

Medical Identifiers

Medical identifiers for Geoffrey Robert Adey such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447362520NPI-NPPES
G82135OtherCABLUE CROSS OF CA
P00052861OtherRAILROAD MEDICARE
00G821350MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery G82135 (California)Primary

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. Geoffrey Robert Adey allows following entities to bill medicare on his behalf.
Entity NameJohn Muir Trauma Physicians Billing Service
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093864837
PECOS PAC ID: 3476542515
Enrollment ID: O20050420001452

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. Geoffrey Robert Adey 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
Geoffrey Robert Adey, MD
1101 Se Tech Center Drive, Suite #155,
Vancouver, WA 98683-5521

Ph: (360) 514-9040
Geoffrey Robert Adey, MD
1455 Montego Street, Suite 200,
Walnut Creek, CA 94598

Ph: (925) 937-0404

Reviews and Comments


Neurological Surgery Doctors in Walnut Creek, CA

George James Counelis, MD
Neurological Surgery
Medicare: May Accept Medicare Assignments
Practice Location: 100 N. Wiget Lane, Suite 160, Walnut Creek, CA 94598
Phone: 925-280-8200    Fax: 925-280-8201
Terence Ling Chen, MD
Neurological Surgery
Medicare: May Accept Medicare Assignments
Practice Location: 1455 Montego Street, Suite 200, Walnut Creek, CA 94598
Phone: 925-937-0404    Fax: 925-937-1340
Dr. Jason S Cheng, MD
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 110 La Casa Via, Suite 205, Walnut Creek, CA 94598
Phone: 925-464-3916    Fax: 925-954-7575

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.