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Dr. Thomas Gianis, MD

San Antonio, TX

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Gianis, Vascular Surgeon in San Antonio, TX?

    Dr. Thomas Gianis, MD is a Vascular Surgeon, who primarily practices in San Antonio, TX with 2 additional practice locations. Dr. Gianis is fluent in English and Spanish, and is currently seeing new patients. Dr. Gianis’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gianis’s office at (210) 610-7283.

    What languages does Dr. Gianis speak?

    Dr. Gianis and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does Dr. Gianis treat?

    As a Vascular Surgeon, Dr. Gianis diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Gianis. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Peripheral Arterial Disease in Both Legs
    • Atherosclerosis
    • Peripheral Arterial Disease
    • PAD in Both Legs
    • Poor Circulation in Both Legs
    • Hardening of Arteries in Both Legs

    ICD-10 Codes:

    • I70293: Other atherosclerosis of native arteries of extremities, bilateral legs

    Also known as:

    • Carotid Artery Disease
    • Carotid Stenosis
    • Blocked Carotid Artery
    • Neck Artery Disease
    • Carotid Artery Narrowing

    ICD-10 Codes:

    • I6523: Occlusion and stenosis of bilateral carotid arteries

    Also known as:

    • Peripheral Artery Disease
    • PVD
    • PAD
    • Poor Circulation in Legs
    • Blocked Leg Arteries

    ICD-10 Codes:

    • I739: Peripheral vascular disease, unspecified

    Also known as:

    • Widespread Swelling
    • Edema
    • Generalized Edema
    • Full Body Swelling
    • Systemic Swelling

    ICD-10 Codes:

    • R601: Generalized edema

    Also known as:

    • Chronic Venous Insufficiency
    • Vascular Disease
    • CVI
    • Venous Reflux Disease
    • Leg Vein Incompetence
    • Peripheral Venous Insufficiency

    ICD-10 Codes:

    • I872: Venous insufficiency (chronic) (peripheral)

    Also known as:

    • Hardening of Right Leg Arteries with Foot Ulcer
    • Atherosclerosis
    • Peripheral Arterial Disease
    • PAD with foot wound
    • Right leg artery disease with foot ulcer
    • Vascular ulcer on foot

    ICD-10 Codes:

    • I70235: Atherosclerosis of native arteries of right leg with ulceration of other part of foot

    Also known as:

    • End-Stage Kidney Disease
    • Kidney Failure
    • Chronic Kidney Disease (CKD)
    • Helping Your Child Adapt to Life with Chronic Kidney Disease
    • ESRD
    • End-Stage Renal Failure

    ICD-10 Codes:

    • N186: End stage renal disease

    What procedures does Dr. Gianis perform?

    As a Vascular Surgeon, Dr. Gianis performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Gianis. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Leg Artery Angioplasty
    • Tibial Artery Angioplasty
    • Peroneal Artery Angioplasty
    • Leg Artery Revascularization

    CPT Codes:

    • 37228: Revascularization, endovascular, open or percutaneous, tibial, peroneal artery, unilateral, initial vessel; with transluminal angioplasty

    Also known as:

    • Vein Closure with Chemical Adhesive
    • Radiofrequency Vein Ablation
    • Endovenous Chemical Ablation
    • Varicose Vein Glue Treatment
    • Cyanoacrylate Vein Ablation
    • VenaSeal Procedure
    • Endovenous Radiofrequency Ablation
    • RF Ablation for Varicose Veins
    • Vein Closure Procedure
    • Varicose Vein Treatment

    CPT Codes:

    • 36482: Endovenous ablation therapy of incompetent vein, extremity, by transcatheter delivery of a chemical adhesive (eg, cyanoacrylate) remote from the access site, inclusive of all imaging guidance and monitoring, percutaneous; first vein treated
    • 36475: Endovenous ablation therapy of incompetent vein, extremity, inclusive of all imaging guidance and monitoring, percutaneous, radiofrequency; first vein treated

    Also known as:

    • Leg Artery Angioplasty (Femoral/Popliteal)
    • Femoral Artery Angioplasty
    • Popliteal Artery Angioplasty
    • Leg Artery Revascularization

    CPT Codes:

    • 37224: Revascularization, endovascular, open or percutaneous, femoral, popliteal artery(s), unilateral; with transluminal angioplasty

    Also known as:

    • Leg Artery Angioplasty (Additional Vessel)
    • Tibial Artery Revascularization
    • Peroneal Artery Angioplasty
    • Endovascular Leg Artery Repair

    CPT Codes:

    • 37232: Revascularization, endovascular, open or percutaneous, tibial/peroneal artery, unilateral, each additional vessel; with transluminal angioplasty (List separately in addition to code for primary procedure)

    Also known as:

    • Selective Artery Catheter Placement
    • Arterial Catheterization
    • Vascular Catheter Placement
    • Diagnostic Catheter Insertion
    • Diagnostic Angiography Catheter

    CPT Codes:

    • 36247: Selective catheter placement, arterial system; initial third order or more selective abdominal, pelvic, or lower extremity artery branch, within a vascular family
    • 36246: Selective catheter placement, arterial system; initial second order abdominal, pelvic, or lower extremity artery branch, within a vascular family

    Also known as:

    • Dialysis Circuit Angioplasty with Balloon
    • Dialysis Fistula Angioplasty
    • Dialysis Graft Angioplasty
    • Peripheral Dialysis Segment Angioplasty

    CPT Codes:

    • 36902: Introduction of needle(s) and/or catheter(s), dialysis circuit, with diagnostic angiography of the dialysis circuit, including all direct puncture(s) and catheter placement(s), injection(s) of contrast, all necessary imaging from the arterial anastomosis and adjacent artery through entire venous outflow including the inferior or superior vena cava, fluoroscopic guidance, radiological supervision and interpretation and image documentation and report; with transluminal balloon angioplasty, peripheral dialysis segment, including all imaging and radiological supervision and interpretation necessary to perform the angioplasty

    Also known as:

    • Arteriovenous Fistula Creation
    • AV Fistula Surgery
    • Cimino Fistula
    • Vascular Access for Dialysis

    CPT Codes:

    • 36821: Arteriovenous anastomosis, open; direct, any site (eg, Cimino type) (separate procedure)

    Also known as:

    • Leg Artery Stent Placement
    • Femoral Artery Stenting
    • Popliteal Artery Stenting
    • Leg Artery Angioplasty
    • Endovascular Revascularization

    CPT Codes:

    • 37226: Revascularization, endovascular, open or percutaneous, femoral, popliteal artery(s), unilateral; with transluminal stent placement(s), includes angioplasty within the same vessel, when performed

    Also known as:

    • Creation of AV Fistula with Graft for Dialysis
    • Arteriovenous Fistula Creation (Graft)
    • Dialysis Access Graft
    • Non-Autogenous AV Fistula
    • Synthetic Graft for Dialysis

    CPT Codes:

    • 36830: Creation of arteriovenous fistula by other than direct arteriovenous anastomosis (separate procedure); nonautogenous graft (eg, biological collagen, thermoplastic graft)

    Also known as:

    • Carotid Artery Clearing Surgery
    • Carotid endarterectomy
    • Neck artery surgery
    • Vertebral artery clearing
    • Subclavian artery clearing

    CPT Codes:

    • 35301: Thromboendarterectomy, including patch graft, if performed; carotid, vertebral, subclavian, by neck incision

    Also known as:

    • Basilic Vein Transposition for Dialysis Access
    • AV Fistula Creation
    • Basilic Vein Fistula
    • Dialysis Access Fistula
    • Upper Arm AV Fistula

    CPT Codes:

    • 36819: Arteriovenous anastomosis, open; by upper arm basilic vein transposition

    Also known as:

    • Leg Artery Unblocking with Atherectomy and Angioplasty
    • Femoral Artery Revascularization
    • Popliteal Artery Atherectomy
    • Leg Artery Angioplasty
    • Peripheral Artery Disease Treatment

    CPT Codes:

    • 37225: Revascularization, endovascular, open or percutaneous, femoral, popliteal artery(s), unilateral; with atherectomy, includes angioplasty within the same vessel, when performed

    Also known as:

    • Tunneled Central Venous Catheter Removal
    • Central Line Explant
    • Port-a-Cath Removal
    • Implantable Venous Access Device Removal
    • Tunneled Catheter Extraction

    CPT Codes:

    • 36590: Removal of tunneled central venous access device, with subcutaneous port or pump, central or peripheral insertion

    Also known as:

    • Dialysis Access Balloon Angioplasty
    • Dialysis Fistula Angioplasty
    • Dialysis Graft Angioplasty
    • Central Dialysis Segment Angioplasty
    • AV Fistula Angioplasty

    CPT Codes:

    • 36907: Transluminal balloon angioplasty, central dialysis segment, performed through dialysis circuit, including all imaging and radiological supervision and interpretation required to perform the angioplasty (List separately in addition to code for primary procedure)

    Also known as:

    • Removal of Tunneled Central Venous Catheter
    • Central Line Removal
    • Tunneled Catheter Extraction
    • Venous Access Device Removal

    CPT Codes:

    • 36589: Removal of tunneled central venous catheter, without subcutaneous port or pump

    Also known as:

    • Sclerotherapy for Varicose Veins
    • Varicose Vein Injections
    • Vein Sclerosing
    • Incompetent Vein Treatment

    CPT Codes:

    • 36470: Injection of sclerosant; single incompetent vein (other than telangiectasia)

    Also known as:

    • Lower Leg Amputation
    • Thigh Amputation
    • Limb Loss
    • Tibial-Fibular Amputation
    • Leg Removal Surgery
    • Below-Knee Amputation
    • Leg Amputation (Femur)
    • Above-Knee Amputation
    • Femoral Amputation

    CPT Codes:

    • 27880: Amputation, leg, through tibia and fibula;
    • 27590: Amputation, thigh, through femur, any level;

    Also known as:

    • Multi-Layer Leg Compression Wrap
    • Compression Bandage Application
    • Leg Compression System
    • Ankle and Foot Compression

    CPT Codes:

    • 29581: Application of multi-layer compression system; leg (below knee), including ankle and foot

    Does Dr. Gianis accept my insurance?

    Dr. Gianis accepts most major insurance plans. Important: Please call our office at (210) 610-7283 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Gianis accept in San Antonio, TX?

    Dr. Gianis in San Antonio, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Cross Blue Shield of Michigan

    • Carpenters Funds Administrative Office (CA)

    • Cypress Benefit Administrators

    • Health Care Service Corporation (HCSC)

    • HealthComp

    • Medicare

    • Oscar Health Insurance Co

    • State of Tennessee

    • UnitedHealthcare

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    Where is Dr. Gianis' office located?

    Dr. Thomas Gianis' Primary Practice

    603 E Amber St Ste 101

    San Antonio, TX 78221

    (210) 610-7283

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    Dr. Thomas Gianis' Practice 2

    622 Isom Rd

    San Antonio, TX 78216

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    Dr. Thomas Gianis' Practice 3

    18831 Meisner Dr

    San Antonio, TX 78258

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    What is Dr. Gianis's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Gianis's National Provider Identifier (NPI) number is 1467895375.

    What common questions do patients ask about Dr. Gianis?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Gianis

    What is Dr. Thomas Gianis's specialty?

    Dr. Gianis is a Vascular Surgeon near San Antonio, TX. A vascular surgeon specializes in the management of surgical disorders related to blood vessels, excluding those of the heart and intracranial vessels. Contact Dr. Gianis to book an appointment today.

    Is this Dr. Thomas Gianis affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Gianis is affiliated with Baptist Medical Center - San Antonio which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Vascular Surgeon?

    Explore Vascular Surgeon with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Thomas Gianis accepting new patients in San Antonio, TX?

    Yes, Dr. Thomas Gianis is accepting new patients at this time.

    Does Dr. Thomas Gianis offer online booking?

    Please contact Dr. Gianis's office at (210) 610-7283 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thomas Gianis?

    Please contact Dr. Gianis's office at (210) 610-7283 for information regarding telehealth appointment availability or for scheduling assistance.

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