Active NPI 1336163633 Individual Practitioner Male Practitioner

Dr. Mark Stewart , MD

Surgery - Vascular Surgery • Austin, TX

Professional Overview & Biography Verified Profile Summary

Dr. Mark Stewart, MD is a registered healthcare professional specializing in Surgery - Vascular Surgery in Austin, TX. Practice services are available at 1010 W 40TH ST under active NPI credentials.

Frequently performed procedures and clinical services include vessel mapping of vessels for hemodialysis access (services for preoperative vessel mapping prior to creation of hemodialysis access using an autogenous hemodialysis conduit, including arterial inflow and venous outflow), new patient outpatient office visit, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1010 W 40th St

Austin, TX 787564010

Telephone 5124598753

Fax 5124836828

Associated Practice Facility / Clinic

🏢 Cardiothoracic And Vascular Surgeons,pa Facility NPI 1326061714

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery - Vascular Surgery in Austin, TX

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 26.1 Yrs

State Avg: 24.8 Yrs

Regional Practice Density

22 Specialists

Practicing in Austin, TX (377 Statewide)

Telehealth Adoption Rate

22.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

75.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2019)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0365 Vessel mapping of vessels for hemodialysis access (services for preoperative vessel mapping prior to creation of hemodialysis access using an autogenous hemodialysis conduit, including arterial inflow and venous outflow)	27	26	$500.00	$126.28
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$235.00	$108.96
99213 Established patient office or other outpatient visit, typically 15 minutes	24	22	$154.00	$67.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	23	$95.00	$45.65
93880 Ultrasound of both sides of head and neck blood flow	21	19	$655.00	$198.32
99202 New patient office or other outpatient visit, typically 20 minutes	21	21	$156.00	$77.06
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	21	21	$147.00	$48.76
36821 Relocation of arm vein with connection to arm artery, open procedure	20	19	$1807.00	$649.78
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	18	18	$3941.11	$1160.22
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	16	16	$8000.00	$965.58
76000 Imaging guidance for procedure, 60 minutes or less	16	16	$231.00	$45.45
76000 Imaging guidance for procedure, 60 minutes or less	15	14	$95.00	$15.48
36831 Removal of blood clot from dialysis graft, open procedure	15	14	$1067.12	$521.53
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	13	13	$660.00	$169.01
36830 Connection of tube graft to vein and artery for dialysis	13	13	$1807.00	$604.80
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	12	12	$900.00	$175.89
76937 Ultrasonic guidance for blood vessel access	11	11	$55.00	$14.46
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	11	11	$215.00	$18.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,250	13	$0.60	$0.12
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	57	48	$95.00	$44.13
99213 Established patient office or other outpatient visit, typically 15 minutes	27	21	$154.00	$70.44
99202 New patient office or other outpatient visit, typically 20 minutes	26	26	$156.00	$71.49
36831 Removal of blood clot from dialysis graft, open procedure	22	22	$1067.12	$527.12
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	20	19	$900.00	$217.20
76937 Ultrasonic guidance for blood vessel access	19	19	$55.00	$14.34
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$235.00	$107.80
93880 Ultrasound of both sides of head and neck blood flow	18	16	$655.00	$208.11
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	18	18	$8000.00	$921.96
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	18	18	$215.00	$18.53
93922 Ultrasound study of arm and leg arteries	16	13	$330.00	$85.80
G0288 Reconstruction, computed tomographic angiography of aorta for surgical planning for vascular surgery	14	13	$300.00	$36.28
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	14	14	$660.00	$172.63
80047 Blood test, basic group of blood chemicals (calcium, ionized)	14	13	$20.00	$13.46
G0365 Vessel mapping of vessels for hemodialysis access (services for preoperative vessel mapping prior to creation of hemodialysis access using an autogenous hemodialysis conduit, including arterial inflow and venous outflow)	13	13	$500.00	$127.09
36901 Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation	12	12	$444.00	$119.70
36821 Relocation of arm vein with connection to arm artery, open procedure	11	11	$1807.00	$601.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,280	12	$0.60	$0.12
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	76	60	$95.00	$43.46
99202 New patient office or other outpatient visit, typically 20 minutes	34	34	$156.00	$73.15
G0365 Vessel mapping of vessels for hemodialysis access (services for preoperative vessel mapping prior to creation of hemodialysis access using an autogenous hemodialysis conduit, including arterial inflow and venous outflow)	26	25	$500.00	$125.04
36821 Relocation of arm vein with connection to arm artery, open procedure	23	23	$1807.00	$665.39
99213 Established patient office or other outpatient visit, typically 15 minutes	22	22	$154.00	$71.06
36831 Removal of blood clot from dialysis graft, open procedure	21	19	$1067.12	$579.57
93880 Ultrasound of both sides of head and neck blood flow	20	18	$655.00	$202.88
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	18	18	$660.00	$179.30
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	17	17	$900.00	$164.00
22558 Fusion of spine bones with removal of disc at lower spinal column, anterior approach	17	17	$8000.00	$897.65
76937 Ultrasonic guidance for blood vessel access	17	16	$55.00	$14.33
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	15	15	$215.00	$18.88
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	14	14	$455.00	$117.90
93922 Ultrasound study of arm and leg arteries	14	12	$330.00	$82.08
36830 Connection of tube graft to vein and artery for dialysis	13	13	$1807.00	$668.77
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$235.00	$107.12
80047 Blood test, basic group of blood chemicals (calcium, ionized)	12	12	$20.00	$11.37
G0288 Reconstruction, computed tomographic angiography of aorta for surgical planning for vascular surgery	12	12	$300.00	$35.91
36903 Insertion of needle and/or tube into hemodialysis circuit and insertion of stent in dialysis segment with review by radiologist	12	11	$903.00	$200.94

Medical Specialties & State Licenses

Surgery - Vascular Surgery Primary Specialty

NUCC Taxonomy Code: 2086S0129X

State License TX E8939

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Bcbs Prov No

824102 (TX)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Dr. William Kessler , MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI 1013925585

Doctor of Medicine (M.D.)

Dr. Jeffrey Mcneil , MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI 1043290935

Doctor of Medicine (M.D.)

Dr. Emery Dilling , MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI 1073527008

Doctor of Medicine (M.D.)

Dr. Nicolas Zea , MD

Surgery - Vascular Surgery

NPI 1083855050

Doctor of Medicine (M.D.)

Dr. Jeffrey Jobe , MD

Surgery - Vascular Surgery

NPI 1124042411

Doctor of Medicine (M.D.)

Dr. Brendan Dewan , MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI 1134445539

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1010 W 40TH ST, AUSTIN, TX 787564010 (Tel: 5124598753)

📍

Updated Business Mailing Address July 08, 2007

Registered at 1010 W 40TH ST, AUSTIN, TX 787564010 (Tel: 5124598753)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as MARK STEWART, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery (License #E8939 in TX)

🟢

Initial NPI Registration & Enumeration July 27, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Mark Stewart. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1336163633

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 27, 2006

Last Update: July 08, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1010 W 40th St

Austin, TX 787564010

Phone: 5124598753

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.