Dr Sebastian Villarreal, MD - Medicare Neurosurgery in Houston, TX

Dr Sebastian Villarreal, MD is a medicare enrolled "Neurological Surgery" physician in Houston, Texas. He went to University Of Texas Medical School At Houston and graduated in 2010 and has 14 years of diverse experience with area of expertise as Neurosurgery. He is a member of the group practice Tn Spine Pllc and his current practice location is 6400 Fannin St, Suite 2800, Houston, Texas. You can reach out to his office (for appointments etc.) via phone at (713) 704-7375.

Dr Sebastian Villarreal is licensed to practice in Texas (license number R8840) 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 1992053243.

Contact Information

Dr Sebastian Villarreal, MD
6400 Fannin St, Suite 2800,
Houston, TX 77030-1521
(713) 704-7375
Not Available

Map and Direction




Physician's Profile

Full NameDr Sebastian Villarreal
GenderMale
SpecialityNeurosurgery
Experience14 Years
Location6400 Fannin St, Houston, 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 Sebastian Villarreal attended and graduated from University Of Texas Medical School At Houston in 2010
  NPI Data:
  • NPI Number: 1992053243
  • Provider Enumeration Date: 08/16/2012
  • Last Update Date: 09/10/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 7719237742
  • Enrollment ID: I20180912001163

Medical Identifiers

Medical identifiers for Dr Sebastian Villarreal such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1992053243NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery R8840 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Christus Santa Rosa Medical CenterSan antonio, TXHospital
Peterson Regional Medical CenterKerrville, TXHospital
Hill Country Memorial Hospital IncFredericksburg, TXHospital
Methodist HospitalSan antonio, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Tn Spine Pllc276978350514

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 Sebastian Villarreal allows following entities to bill medicare on his behalf.
Entity NameTn Spine Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407226962
PECOS PAC ID: 2769783505
Enrollment ID: O20151221000302

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 Sebastian Villarreal 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 Sebastian Villarreal, MD
24165 W Ih 10, Ste 123,
San Antonio, TX 78257-1160

Ph: (713) 704-7375
Dr Sebastian Villarreal, MD
6400 Fannin St, Suite 2800,
Houston, TX 77030-1521

Ph: (713) 704-7375

Reviews and Comments


Neurological Surgery Doctors in Houston, TX

Dr. Edward A M Duckworth, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1709 Dryden Rd, Suite 750 - Department Of Neurosurgery, Houston, TX 77030
Phone: 713-798-4946    Fax: 713-798-3739
Joel Zachary Passer, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1515 Holcombe Blvd, Houston, TX 77030
Phone: 713-792-6161    
Dr. Claudio Esteves Tatsui, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1515 Holcombe Blvd, Department Of Neurosurgery -unit 442, Houston, TX 77030
Phone: 713-792-6161    
Dr. Omar Tanweer, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 7200 Cambridge St Fl 10, Houston, TX 77030
Phone: 713-798-1750    Fax: 713-798-4693
Aaron Mohanty, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 6410 Fannin St, 1020, Houston, TX 77030
Phone: 832-325-7090    
Dr. Saad Ayed A Alqahatani, MD
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 13300 Hargrave Rd Ste 500, Houston, TX 77070
Phone: 281-737-8870    
Dong H Kim, MD
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 6400 Fannin St, Ste 2800, Houston, TX 77030
Phone: 713-486-8000    Fax: 713-486-8088

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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