Active NPI 1922103159 Individual Practitioner Male Practitioner

Dr. Christopher Walton Brennig , MD

Surgery - Vascular Surgery • Austin, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Brennig, MD is a certified Surgery - Vascular Surgery practicing in Austin, TX. With approximately 27 years of clinical experience since graduating from University Of Texas Medical School At Houston in 1999, Dr. Brennig delivers high-quality medical care to the local community at 7000 NORTH MOPAC EXPRESSWAY.

Dr. Brennig accepts Medicare assignment.

Frequently performed procedures and clinical services include injection of chemical agent into single incompetent vein of leg using ultrasound guidance, ultrasound study of arm or leg veins with compression and maneuvers, ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

7000 North Mopac Expressway
Suite 320

Austin, TX 787313258

Telephone 5123468346

Fax 5123468343

Associated Practice Facility / Clinic

🏢 Austin Vascular Institute Pa Facility NPI 1487890620

Medicare Profile & Education

Medical School

University Of Texas Medical School At Houston

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery - Vascular Surgery in Austin, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

27 Yrs +0.9 yrs vs City Avg

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

75.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Brennig (27 Years) 27 Yrs

Austin Specialty Average (26.1 Years) 26.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance	51	41	$6000.00	$1454.96
93970 Ultrasound study of arm or leg veins with compression and maneuvers	38	35	$813.00	$189.93
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	33	26	$496.00	$121.22
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	25	$178.00	$56.83
99213 Established patient office or other outpatient visit, typically 15 minutes	27	24	$297.00	$90.76
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$437.00	$110.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance	57	45	$5928.07	$1402.00
93970 Ultrasound study of arm or leg veins with compression and maneuvers	50	44	$800.24	$195.77
99213 Established patient office or other outpatient visit, typically 15 minutes	34	29	$292.68	$90.80
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	26	$178.00	$57.12
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	31	25	$485.65	$124.38
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$422.19	$112.27
36466 Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance	15	13	$6500.00	$1485.76
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	13	13	$5700.00	$1014.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93970 Ultrasound study of arm or leg veins with compression and maneuvers	60	55	$813.00	$202.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	45	45	$437.00	$113.37
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	45	35	$496.00	$128.28
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	40	35	$178.00	$57.51
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance	38	33	$6000.00	$1576.19
99213 Established patient office or other outpatient visit, typically 15 minutes	26	24	$297.00	$92.23
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	11	11	$6500.00	$1176.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93970 Ultrasound study of arm or leg veins with compression and maneuvers	43	41	$813.00	$209.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$437.00	$114.45
99213 Established patient office or other outpatient visit, typically 15 minutes	37	35	$297.00	$93.43
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	32	27	$496.00	$131.56
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	23	$178.00	$57.88
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance	21	19	$5857.14	$2010.16
36466 Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance	17	14	$6500.00	$2395.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93970 Ultrasound study of arm or leg veins with compression and maneuvers	43	41	$813.00	$203.78
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	37	30	$178.00	$46.47
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	30	27	$496.00	$127.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$437.00	$109.57
36466 Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance	22	17	$6500.00	$2170.74
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance	19	17	$5500.00	$1889.12
99213 Established patient office or other outpatient visit, typically 15 minutes	18	18	$297.00	$73.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93970 Ultrasound study of arm or leg veins with compression and maneuvers	61	55	$813.00	$198.65
36466 Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance	56	44	$6500.00	$2095.71
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	48	40	$496.00	$123.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$437.00	$106.43
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	42	35	$178.00	$45.27
99213 Established patient office or other outpatient visit, typically 15 minutes	35	28	$297.00	$74.34
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	23	21	$5700.00	$1173.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36466 Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance	38	29	$6500.00	$2009.54
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	35	27	$496.00	$123.65
93970 Ultrasound study of arm or leg veins with compression and maneuvers	34	29	$813.00	$201.72
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	16	$178.00	$44.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$437.00	$107.97
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	18	13	$5700.00	$1160.11
99213 Established patient office or other outpatient visit, typically 15 minutes	15	13	$297.00	$73.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	52	36	$566.00	$121.54
93970 Ultrasound study of arm or leg veins with compression and maneuvers	47	41	$835.04	$199.92
36471 Injection of chemical agent into multiple incompetent veins of leg	42	29	$910.48	$176.18
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	41	30	$623.88	$60.80
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	35	28	$144.69	$43.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$402.12	$107.55
99213 Established patient office or other outpatient visit, typically 15 minutes	27	25	$246.26	$73.00
37765 Multiple incisions for removal of varicose veins of arm or leg, 10-20 incisions	17	15	$1948.00	$652.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$386.55	$107.16
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	11	11	$6500.00	$1537.73

Medical Specialties & State Licenses

Surgery - Vascular Surgery Primary Specialty

NUCC Taxonomy Code: 2086S0129X

State License TX L5999

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

8BW995 (TX)

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Zainab Abdulla , MD

Internal Medicine

NPI 1861622979

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 March 04, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location March 04, 2009

Registered at 7000 NORTH MOPAC EXPRESSWAY, SUITE 320, AUSTIN, TX 787313258 (Tel: 5123468346)

📍

Updated Business Mailing Address March 04, 2009

Registered at 7000 NORTH MOPAC EXPRESSWAY, SUITE 320, AUSTIN, TX 787313258 (Tel: 5123468346)

👤

Provider Name / Credentials Updated March 04, 2009

Recorded as CHRISTOPHER BRENNIG, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 04, 2009

Surgery (License #L5999 in TX)

🟢

Initial NPI Registration & Enumeration September 13, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1922103159

Entity Type:

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

Enumeration Date: September 13, 2006

Last Update: March 04, 2009

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

7000 North Mopac Expressway, Suite 320

Austin, TX 787313258

Phone: 5123468346

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.