Dr William A Brennan, MD - Medicare Neurological Surgery in Lafayette, LA

Dr William A Brennan, MD is a medicare enrolled "Neurological Surgery" physician in Lafayette, Louisiana. His current practice location is 4212 W Congress Street, Suite 3500, Lafayette, Louisiana. You can reach out to his office (for appointments etc.) via phone at (337) 981-2125.

Dr William A Brennan is licensed to practice in Louisiana (license number MD.202641) 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 1578784468.

Contact Information

Dr William A Brennan, MD
4212 W Congress Street, Suite 3500,
Lafayette, LA 70506-6765
(337) 981-2125
(337) 981-2174

Map and Direction




Physician's Profile

Full NameDr William A Brennan
GenderMale
SpecialityNeurological Surgery
Location4212 W Congress Street, Lafayette, Louisiana
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1578784468
  • Provider Enumeration Date: 05/01/2007
  • Last Update Date: 02/17/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 4688568090
  • Enrollment ID: I20090504000649

Medical Identifiers

Medical identifiers for Dr William A Brennan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1578784468NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery MD.202641 (Louisiana)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. Dr William A Brennan allows following entities to bill medicare on his behalf.
Entity NameNeurosurgical Solutions Of Lafayette Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104063403
PECOS PAC ID: 2860542834
Enrollment ID: O20090612000310

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 William A Brennan 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 William A Brennan, MD
4212 W. Congess St., Suite 3500,
Lafayette, LA 70506-6765

Ph: (337) 981-2125
Dr William A Brennan, MD
4212 W Congress Street, Suite 3500,
Lafayette, LA 70506-6765

Ph: (337) 981-2125

Reviews and Comments


Neurological Surgery Doctors in Lafayette, LA

Todd E Fountain, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 108 Rue Louis Xiv, Lafayette, LA 70508
Phone: 337-235-8007    Fax: 337-235-8008
Saul Morales Valero, M.D.
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 155 Hospital Dr, Lafayette, LA 70503
Phone: 337-235-7743    
Patrick Alton Juneau Iii, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1103 Kaliste Saloom Rd, Suite 206, Lafayette, LA 70508
Phone: 337-267-1319    
Alan J Appley, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 155 Hospital Dr, Suite 100, Lafayette, LA 70503
Phone: 337-235-7743    Fax: 337-235-7614
Thomas V Bertuccini, M.D.
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 601 W Saint Mary Blvd, Suite 306, Lafayette, LA 70506
Phone: 337-235-0933    Fax: 337-269-1328
Dr. Ahmad Moustafa Elakil, MD, MBA
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1200 Camellia Blvd, Lafayette, LA 70508
Phone: 337-534-4996    Fax: 337-534-4579
Luiz C Dearaujo, M.D.
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 116 Hospital Dr, Suite A, Lafayette, LA 70503
Phone: 337-269-6004    Fax: 337-261-9003

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.