Active NPI 1972504884 Individual Practitioner Male Practitioner

Dr. Thomas Michael Hillis , MD

Surgery • Texarkana, AR

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Hillis, MD is a certified Surgery practicing in Texarkana, AR. With approximately 52 years of clinical experience since graduating from University Of Arkansas College Of Medicine in 1974, Dr. Hillis delivers high-quality medical care to the local community at 6412 WINDY HILL DR.

Dr. Hillis does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include ultrasound study of arm or leg veins with compression and maneuvers, ultrasound of both sides of head and neck blood flow, 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

6412 Windy Hill Dr

Texarkana, AR 718548198

Telephone 8703304577

Fax 9036143525

Medicare Profile & Education

Medical School

University Of Arkansas College Of Medicine

Graduation Year

1974

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Texarkana, AR

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

52 Yrs Matches City Avg

City Avg: 52.0 Yrs

State Avg: 30.3 Yrs

Regional Practice Density

2 Specialists

Practicing in Texarkana, AR (301 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

49.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hillis (52 Years) 52 Yrs

Texarkana Specialty Average (52.0 Years) 52.0 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
93970 Ultrasound study of arm or leg veins with compression and maneuvers	235	209	$61.49	$29.44
93880 Ultrasound of both sides of head and neck blood flow	214	210	$62.57	$34.12
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	206	196	$41.75	$18.88
93925 Ultrasound of leg arteries or artery grafts	53	53	$51.04	$33.41
93926 Ultrasound of one leg arteries or artery grafts	12	12	$52.92	$20.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93880 Ultrasound of both sides of head and neck blood flow	415	406	$60.00	$34.92
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	329	309	$40.00	$19.45
93970 Ultrasound study of arm or leg veins with compression and maneuvers	281	260	$60.00	$30.27
93925 Ultrasound of leg arteries or artery grafts	103	102	$50.00	$34.08
93926 Ultrasound of one leg arteries or artery grafts	24	24	$50.00	$20.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93880 Ultrasound of both sides of head and neck blood flow	420	414	$60.00	$35.64
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	332	311	$40.00	$19.77
93970 Ultrasound study of arm or leg veins with compression and maneuvers	329	307	$60.73	$30.96
93925 Ultrasound of leg arteries or artery grafts	119	118	$50.00	$35.18
93926 Ultrasound of one leg arteries or artery grafts	13	13	$50.00	$21.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93880 Ultrasound of both sides of head and neck blood flow	424	411	$60.00	$35.91
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	375	352	$40.00	$20.12
93970 Ultrasound study of arm or leg veins with compression and maneuvers	303	287	$60.20	$31.14
93925 Ultrasound of leg arteries or artery grafts	128	126	$50.00	$35.40
93926 Ultrasound of one leg arteries or artery grafts	17	17	$50.00	$21.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93880 Ultrasound of both sides of head and neck blood flow	440	438	$60.00	$37.92
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	347	334	$40.00	$21.16
93970 Ultrasound study of arm or leg veins with compression and maneuvers	333	314	$60.00	$32.81
93925 Ultrasound of leg arteries or artery grafts	133	131	$50.00	$37.26
93926 Ultrasound of one leg arteries or artery grafts	23	22	$50.00	$23.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93880 Ultrasound of both sides of head and neck blood flow	526	511	$60.00	$37.92
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	511	474	$43.12	$21.29
93970 Ultrasound study of arm or leg veins with compression and maneuvers	458	432	$60.13	$32.63
93925 Ultrasound of leg arteries or artery grafts	189	186	$50.26	$37.28
93926 Ultrasound of one leg arteries or artery grafts	27	27	$50.00	$22.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93880 Ultrasound of both sides of head and neck blood flow	584	575	$210.00	$39.13
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	566	516	$84.00	$21.92
93970 Ultrasound study of arm or leg veins with compression and maneuvers	484	452	$150.00	$33.54
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	116	106	$84.00	$41.76
93880 Ultrasound of both sides of head and neck blood flow	101	101	$488.25	$194.45
99213 Established patient office or other outpatient visit, typically 15 minutes	95	90	$132.00	$69.83
93922 Ultrasound study of arm and leg arteries	93	92	$37.00	$12.28
71046 X-ray of chest, 2 views	83	83	$37.50	$18.27
36415 Insertion of needle into vein for collection of blood sample	81	80	$20.25	$2.94
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	77	73	$362.25	$114.56
80053 Blood test, comprehensive group of blood chemicals	64	60	$105.00	$12.51
99202 New patient office or other outpatient visit, typically 20 minutes	62	62	$138.00	$72.21
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	60	56	$48.00	$9.19
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	50	49	$38.00	$7.89
93922 Ultrasound study of arm and leg arteries	48	48	$265.00	$78.13
93970 Ultrasound study of arm or leg veins with compression and maneuvers	41	40	$546.00	$184.13
93924 Ultrasound study of arteries of both legs at rest and exercise	39	39	$178.50	$24.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$210.00	$103.98
93923 Complete ultrasound study of arm and leg arteries	29	29	$63.00	$21.70
76706 Ultrasound scan of abdominal aorta	29	29	$180.00	$89.97
93925 Ultrasound of leg arteries or artery grafts	26	26	$63.00	$37.89
93926 Ultrasound of one leg arteries or artery grafts	24	23	$57.75	$23.79
82378 Carcinoembryonic antigen (cea) protein level	17	17	$69.00	$22.94
86300 Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3	15	15	$91.50	$25.19
47562 Removal of gallbladder using an endoscope	13	13	$1916.50	$643.32
11606 Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm	12	12	$745.00	$300.50
49421 Insertion of abdominal cavity catheter for drainage or dialysis, open procedure	11	11	$751.00	$225.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93880 Ultrasound of both sides of head and neck blood flow	699	679	$210.00	$38.31
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	602	563	$84.00	$21.16
93970 Ultrasound study of arm or leg veins with compression and maneuvers	520	487	$150.00	$33.05
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	138	128	$84.00	$40.31
93924 Ultrasound study of arteries of both legs at rest and exercise	113	110	$178.50	$23.74
71020 X-ray of chest, 2 views, front and side	110	110	$48.00	$15.44
36415 Insertion of needle into vein for collection of blood sample	110	102	$20.25	$2.94
99202 New patient office or other outpatient visit, typically 20 minutes	103	103	$138.00	$69.90
80053 Blood test, comprehensive group of blood chemicals	100	94	$105.00	$14.00
99213 Established patient office or other outpatient visit, typically 15 minutes	100	100	$132.00	$67.51
93880 Ultrasound of both sides of head and neck blood flow	95	95	$493.39	$184.53
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	86	85	$38.00	$7.63
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	77	73	$48.00	$10.26
93922 Ultrasound study of arm and leg arteries	64	62	$41.20	$12.07
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	57	56	$362.25	$109.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$210.00	$101.12
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	31	18	$130.00	$68.63
76706 Ultrasound scan of abdominal aorta	30	30	$180.00	$86.36
93970 Ultrasound study of arm or leg veins with compression and maneuvers	29	29	$546.00	$176.69
82378 Carcinoembryonic antigen (cea) protein level	24	23	$69.00	$25.49
93926 Ultrasound of one leg arteries or artery grafts	24	21	$57.75	$23.26
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	24	23	$38.50	$8.69
93922 Ultrasound study of arm and leg arteries	23	23	$265.00	$79.82
93925 Ultrasound of leg arteries or artery grafts	22	22	$63.00	$37.73
86300 Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3	21	21	$91.50	$27.98
11606 Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm	20	19	$745.00	$288.30
88305 Pathology examination of tissue using a microscope, intermediate complexity	19	19	$99.00	$26.65
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	19	18	$2500.00	$326.95
93923 Complete ultrasound study of arm and leg arteries	18	18	$63.00	$21.47
47562 Removal of gallbladder using an endoscope	17	17	$1916.50	$609.06
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$240.00	$129.96
49505 Repair of groin hernia (5 years or older)	15	15	$1150.40	$478.84

Medical Specialties & State Licenses

CMS Verified: 2025-03-18

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License TX F4867

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery

NUCC Taxonomy Code: 208600000X

State License AR C4830

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

115216702 (TX)

Medicaid State Provider ID

107509001 (AR)

Practice Associates & Co-Workers

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

40 Associated Practitioners

Virginia Parker , FNP

Nurse Practitioner - Family

NPI 1003331356

Family Nurse Practitioner

Dr. Joseph Womack , MD

Urology

NPI 1003816901

Doctor of Medicine (M.D.)

Dr. Nancy Graves , MD

Psychiatry & Neurology - Psychiatry

NPI 1013138361

Doctor of Medicine (M.D.)

Dr. Wilmer Reep , MD

Family Medicine

NPI 1013918093

Doctor of Medicine (M.D.)

Dr. Francis Lachowsky , MD

Allergy & Immunology

NPI 1023122322

Doctor of Medicine (M.D.)

Dr. Jonathan Thomas , MD

Internal Medicine - Rheumatology

NPI 1043210149

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location March 18, 2025

Registered at 6412 WINDY HILL DR, TEXARKANA, AR 718548198 (Tel: 8703304577)

📍

Updated Business Mailing Address March 18, 2025

Registered at 2900 SAINT MICHAEL DR STE 307, TEXARKANA, TX 755032343 (Tel: 9036145356)

✅

NPI Profile Active July 14, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 14, 2007

Registered at 5002 COWHORN CREEK RD, TEXARKANA, TX 755039766 (Tel: 9036143000)

📍

Updated Business Mailing Address July 14, 2007

Registered at 5002 COWHORN CREEK RD, TEXARKANA, TX 755039766 (Tel: 9036143000)

👤

Provider Name / Credentials Updated July 14, 2007

Recorded as THOMAS HILLIS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 14, 2007

Surgery (License #F4867 in TX)

🟢

Initial NPI Registration & Enumeration August 02, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1972504884

Entity Type:

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

Enumeration Date: August 02, 2005

Last Update: March 18, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2900 Saint Michael Dr Ste 307

Texarkana, TX 755032343

Phone: 9036145356

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.