Dr Gerardo Zavala, MD - Medicare Neurosurgery in San Antonio, TX

Dr Gerardo Zavala, MD is a medicare enrolled "Neurological Surgery" physician in San Antonio, Texas. He graduated from medical school in 1971 and has 53 years of diverse experience with area of expertise as Neurosurgery. His current practice location is 4423 Nw Loop 410, Ste 100, San Antonio, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 541-9898.

Dr Gerardo Zavala is licensed to practice in Texas (license number F3011) 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 1003916255.

Contact Information

Dr Gerardo Zavala, MD
4423 Nw Loop 410, Ste 100,
San Antonio, TX 78229
(210) 541-9898
(210) 541-0580

Map and Direction




Physician's Profile

Full NameDr Gerardo Zavala
GenderMale
SpecialityNeurosurgery
Experience53 Years
Location4423 Nw Loop 410, San Antonio, Texas
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:
  • Dr Gerardo Zavala graduated from medical school in 1971
  NPI Data:
  • NPI Number: 1003916255
  • Provider Enumeration Date: 09/25/2006
  • Last Update Date: 03/07/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 2769410919
  • Enrollment ID: I20050729000562

Medical Identifiers

Medical identifiers for Dr Gerardo Zavala such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003916255NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery F3011 (Texas)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 Gerardo Zavala allows following entities to bill medicare on his behalf.
Entity NameGerardo Zavala Md Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669558235
PECOS PAC ID: 0244255982
Enrollment ID: O20051011000998

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 Gerardo Zavala 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 Gerardo Zavala, MD
4423 Nw Loop 410, Ste 100,
San Antonio, TX 78229

Ph: (210) 541-9898
Dr Gerardo Zavala, MD
4423 Nw Loop 410, Ste 100,
San Antonio, TX 78229

Ph: (210) 541-9898

Reviews and Comments


Neurological Surgery Doctors in San Antonio, TX

Dr. John Robert Floyd Ii, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 7703 Floyd Curl Dr, San Antonio, TX 78229
Phone: 210-567-5625    Fax: 210-567-6066
Ndi Geh, M.D.
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 4410 Medical Dr Ste 320, San Antonio, TX 78229
Phone: 210-874-3270    Fax: 210-874-3749
Viktor Bartanusz, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 4502 Medical Dr, San Antonio, TX 78229
Phone: 210-358-8555    Fax: 210-358-8576
Rosemaria Gennuso, MD
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 4410 Medical Dr, Ste 540, San Antonio, TX 78229
Phone: 210-575-6240    Fax: 210-575-6280
Mr. Derrick Yuan Sun, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 7703 Floyd Curl Dr, San Antonio, TX 78229
Phone: 210-358-8555    
Dr. Joanna Elizabeth Gernsback, MD
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 8300 Floyd Curl Dr, San Antonio, TX 78229
Phone: 210-450-4995    

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).

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