Active NPI 1134174758 Individual Practitioner Male Practitioner

Dr. Thomas John Chorba , MD

Surgery • Evanston, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Chorba, MD is a certified Surgery practicing in Evanston, IL. With approximately 53 years of clinical experience since graduating from Loyola University Of Chicago, Stritch School Of Medicine in 1973, Dr. Chorba delivers high-quality medical care to the local community at 1101 HOWARD ST STE 105.

Dr. Chorba accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, ultrasound study of arm or leg veins with compression and maneuvers, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1101 Howard St Ste 105

Evanston, IL 602023878

Telephone 7735614477

Fax 7735619277

Associated Practice Facility / Clinic

🏢 Thomas J Chorba Md Sc Facility NPI 1629382858

Medicare Profile & Education

Medical School

Loyola University Of Chicago, Stritch School Of Medicine

Graduation Year

1973

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Evanston, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

53 Yrs +31.3 yrs vs City Avg

City Avg: 21.7 Yrs

State Avg: 27.3 Yrs

Regional Practice Density

18 Specialists

Practicing in Evanston, IL (1624 Statewide)

Telehealth Adoption Rate

33.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

37.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chorba (53 Years) 53 Yrs

Evanston Specialty Average (21.7 Years) 21.7 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
99213 Established patient office or other outpatient visit, typically 15 minutes	126	32	$160.00	$94.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	53	33	$200.00	$132.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	106	39	$160.00	$94.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	26	$200.00	$133.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	185	50	$160.00	$96.60
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	26	$200.00	$135.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	214	51	$160.00	$97.92
93970 Ultrasound study of arm or leg veins with compression and maneuvers	88	83	$75.00	$35.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	60	35	$200.00	$138.80
36415 Insertion of needle into vein for collection of blood sample	39	18	$3.00	$3.00
93923 Complete ultrasound study of arm and leg arteries	18	18	$75.00	$23.87
93880 Ultrasound of both sides of head and neck blood flow	12	12	$75.00	$41.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	187	56	$160.00	$81.02
93970 Ultrasound study of arm or leg veins with compression and maneuvers	176	167	$75.00	$38.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	146	45	$200.00	$117.48
93923 Complete ultrasound study of arm and leg arteries	50	49	$75.00	$24.88
93880 Ultrasound of both sides of head and neck blood flow	47	46	$75.00	$43.78
36415 Insertion of needle into vein for collection of blood sample	33	14	$3.00	$2.98
93880 Ultrasound of both sides of head and neck blood flow	26	26	$75.00	$43.69
G0008 Administration of influenza virus vaccine	13	13	$38.08	$17.57
90662 Influenza vaccine split virus, preservative free	13	13	$44.23	$44.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	245	75	$199.59	$114.78
93970 Ultrasound study of arm or leg veins with compression and maneuvers	210	190	$75.00	$37.44
99213 Established patient office or other outpatient visit, typically 15 minutes	143	57	$160.00	$78.68
93880 Ultrasound of both sides of head and neck blood flow	59	59	$75.00	$43.58
93923 Complete ultrasound study of arm and leg arteries	42	42	$75.00	$24.44
36415 Insertion of needle into vein for collection of blood sample	42	21	$3.00	$2.94
93880 Ultrasound of both sides of head and neck blood flow	19	19	$75.00	$43.57
99218 Hospital observation care typically 30 minutes	13	13	$250.00	$107.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	359	91	$154.16	$76.99
93970 Ultrasound study of arm or leg veins with compression and maneuvers	250	234	$104.70	$37.17
93923 Complete ultrasound study of arm and leg arteries	90	87	$74.83	$24.25
93880 Ultrasound of both sides of head and neck blood flow	75	74	$75.00	$43.26
36415 Insertion of needle into vein for collection of blood sample	63	38	$3.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	52	35	$194.62	$113.30
93880 Ultrasound of both sides of head and neck blood flow	45	43	$240.00	$43.26
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	16	16	$245.31	$220.86
27447 Replacement of knee joint, both sides of knee	12	12	$2516.67	$246.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	428	112	$129.22	$74.78
93970 Ultrasound study of arm or leg veins with compression and maneuvers	256	235	$74.94	$36.49
93880 Ultrasound of both sides of head and neck blood flow	121	119	$75.00	$42.08
93923 Complete ultrasound study of arm and leg arteries	86	84	$74.83	$23.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	62	36	$159.35	$109.70
36415 Insertion of needle into vein for collection of blood sample	56	33	$3.00	$2.94
27447 Replacement of knee joint, both sides of knee	18	16	$2550.00	$239.85
93880 Ultrasound of both sides of head and neck blood flow	16	16	$75.00	$42.05
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	15	15	$220.00	$210.88

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IL 036050009

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License IL 036050009

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

General Practice

NUCC Taxonomy Code: 208D00000X

State License IL 036050009

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.

Family Medicine

NUCC Taxonomy Code: 207Q00000X

State License IL 036050009

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036050009 (IL)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location January 21, 2019

Registered at 1101 HOWARD ST STE 105, EVANSTON, IL 602023878 (Tel: 7735614477)

📍

Updated Business Mailing Address January 21, 2019

Registered at 1107 CLEVELAND ST, EVANSTON, IL 602022114 (Tel: 7735614477)

✅

NPI Profile Active September 09, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location September 09, 2016

Registered at 2740 W FOSTER AVE, SUITE 105, CHICAGO, IL 60625 (Tel: 7735614477)

📍

Updated Business Mailing Address September 09, 2016

Registered at 2740 W FOSTER AVE, #105, CHICAGO, IL 60625 (Tel: 7735614477)

👤

Provider Name / Credentials Updated September 09, 2016

Recorded as THOMAS CHORBA, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 09, 2016

Family Medicine (License #036050009 in IL)

🟢

Initial NPI Registration & Enumeration May 23, 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: 1134174758

Entity Type:

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

Enumeration Date: May 23, 2006

Last Update: January 21, 2019

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

1107 Cleveland St

Evanston, IL 602022114

Phone: 7735614477

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.