Dr Alexander Mark Papanastassiou, MD - Medicare Neurosurgery in San Antonio, TX

Dr Alexander Mark Papanastassiou, MD is a medicare enrolled "Neurological Surgery" physician in San Antonio, Texas. He went to University Of California, San Francisco School Of Medicine and graduated in 2002 and has 22 years of diverse experience with area of expertise as Neurosurgery. He is a member of the group practice University Of Texas Health Science Center At San Antonio and his current practice location is 7940 Floyd Curl Dr, Tower Ii Ste 300, San Antonio, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 567-6027.

Dr Alexander Mark Papanastassiou is licensed to practice in Texas (license number N6559) 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 1659321230.

Contact Information

Dr Alexander Mark Papanastassiou, MD
7940 Floyd Curl Dr, Tower Ii Ste 300,
San Antonio, TX 78229-3905
(210) 567-6027
(210) 567-3614

Map and Direction




Physician's Profile

Full NameDr Alexander Mark Papanastassiou
GenderMale
SpecialityNeurosurgery
Experience22 Years
Location7940 Floyd Curl Dr, 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 Alexander Mark Papanastassiou attended and graduated from University Of California, San Francisco School Of Medicine in 2002
  NPI Data:
  • NPI Number: 1659321230
  • Provider Enumeration Date: 05/12/2006
  • Last Update Date: 02/27/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 6608992631
  • Enrollment ID: I20100928000741

Medical Identifiers

Medical identifiers for Dr Alexander Mark Papanastassiou such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659321230NPI-NPPES
216556501MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery 227755 (Massachusetts)Secondary
207T00000XNeurological Surgery N6559 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Health SystemSan antonio, TXHospital
Baptist Medical CenterSan antonio, TXHospital
Methodist HospitalSan antonio, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Texas Health Science Center At San Antonio00421285481070

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 Alexander Mark Papanastassiou allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Texas Health Science Center At San Antonio
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720051717
PECOS PAC ID: 0042128548
Enrollment ID: O20040607000664

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 Alexander Mark Papanastassiou 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 Alexander Mark Papanastassiou, MD
7703 Floyd Curl Dr,
San Antonio, TX 78229-3901

Ph: (210) 450-9000
Dr Alexander Mark Papanastassiou, MD
7940 Floyd Curl Dr, Tower Ii Ste 300,
San Antonio, TX 78229-3905

Ph: (210) 567-6027

Reviews and Comments


Neurological Surgery Doctors in San Antonio, TX

Dr. Gerardo Zavala, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 4423 Nw Loop 410, Ste 100, San Antonio, TX 78229
Phone: 210-541-9898    Fax: 210-541-0580
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).

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.