Active NPI 1861724064 Individual Practitioner Male Practitioner

Dr. Hamad Issam Farhat , MD

Neurological Surgery • Oak Lawn, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Hamad Farhat, MD is a certified Neurological Surgery practicing in Oak Lawn, IL. With approximately 23 years of clinical experience since completing medical education in 2003, Dr. Farhat delivers high-quality medical care to the local community at 4440 W 95TH ST STE 407.

Dr. Farhat maintains professional affiliations with Swedishamerican Hospital, Tri-County Surgical Specialists Llc, Advocate Health And Hospitals Corporation and accepts Medicare assignment.

Frequently performed procedures and clinical services include insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist, insertion of tube into brain artery for diagnosis or treatment with review by radiologist, new 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

4440 W 95th St Ste 407

Oak Lawn, IL 604532600

Telephone 7086844029

Associated Practice Facility / Clinic

🏢 Advocate Health And Hospitals Corporation Facility NPI 1700824455

Medicare Profile & Education

Medical School

Other

Graduation Year

2003

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Oak Lawn, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

23 Yrs +4.3 yrs vs City Avg

City Avg: 18.7 Yrs

State Avg: 26.9 Yrs

Regional Practice Density

4 Specialists

Practicing in Oak Lawn, IL (397 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

85.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Farhat (23 Years) 23 Yrs

Oak Lawn Specialty Average (18.7 Years) 18.7 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
36224 Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist	37	30	$9404.51	$474.77
36226 Insertion of tube into brain artery for diagnosis or treatment with review by radiologist	36	31	$2983.75	$270.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	36	36	$370.00	$174.18
36227 Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist	35	30	$1040.00	$193.67
75898 Imaging of blood vessel	22	18	$301.00	$97.52
75894 Radiological supervision and interpretation of obstruction of blood vessel via catheter	19	18	$237.00	$75.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	18	$279.00	$132.05
61624 Occlusion of central nervous system or spinal cord artery	16	15	$6680.00	$1271.16
36415 Insertion of needle into vein for collection of blood sample	15	14	$22.00	$8.65
61645 Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance, accessed through skin	14	14	$3282.00	$968.74
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	13	11	$163.00	$12.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36226 Insertion of tube into brain artery for diagnosis or treatment with review by radiologist	38	32	$2973.24	$278.43
36224 Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist	37	34	$9502.42	$472.78
36227 Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist	33	32	$952.94	$185.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$352.00	$175.25
75894 Radiological supervision and interpretation of obstruction of blood vessel via catheter	19	16	$237.00	$79.19
61624 Occlusion of central nervous system or spinal cord artery	19	16	$6680.00	$1286.78
75898 Imaging of blood vessel	19	13	$301.00	$101.29
36415 Insertion of needle into vein for collection of blood sample	17	17	$22.00	$8.40
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	12	11	$161.25	$13.63
61645 Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance, accessed through skin	11	11	$3282.00	$971.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$259.00	$125.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
22614 Fusion of additional segment of spine	41	16	$2391.46	$441.07
63048 Partial removal of spine bone with release of spinal cord and/or nerves	31	11	$2923.58	$227.89
36224 Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist	25	24	$8867.02	$436.06
36227 Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist	19	18	$972.24	$186.34
36226 Insertion of tube into brain artery for diagnosis or treatment with review by radiologist	19	18	$3019.74	$276.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$237.00	$120.57
22842 Placement of stabilizing device to back, 3-6 spine bone segments	18	17	$5782.06	$855.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$352.00	$178.60
75898 Imaging of blood vessel	14	13	$296.07	$99.72
61624 Occlusion of central nervous system or spinal cord artery	14	12	$6415.57	$1237.53
61783 Computer-assisted spinal procedure	13	12	$769.00	$277.76
61781 Computer-assisted procedure inside brain	12	12	$769.00	$260.04
75894 Radiological supervision and interpretation of obstruction of blood vessel via catheter	12	12	$232.58	$78.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$235.00	$134.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36224 Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist	33	30	$9016.27	$496.90
36226 Insertion of tube into brain artery for diagnosis or treatment with review by radiologist	29	26	$2626.45	$228.74
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$236.00	$121.24
61781 Computer-assisted procedure inside brain	12	11	$769.00	$288.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36224 Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist	44	37	$9054.48	$444.02
75898 Imaging of blood vessel	42	12	$301.00	$101.53
36226 Insertion of tube into brain artery for diagnosis or treatment with review by radiologist	39	35	$3054.69	$272.76
63048 Partial removal of spine bone with release of spinal cord and/or nerves	35	13	$3136.00	$256.39
36227 Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist	29	21	$579.31	$142.72
22614 Fusion of additional segment of spine	26	12	$2476.00	$476.24
61624 Occlusion of central nervous system or spinal cord artery	21	19	$6680.00	$1277.45
75894 Radiological supervision and interpretation of obstruction of blood vessel via catheter	21	19	$237.00	$78.98
22842 Placement of stabilizing device to back, 3-6 spine bone segments	14	14	$6016.00	$859.03
61645 Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance, accessed through skin	13	13	$3408.23	$990.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36224 Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist	51	42	$8157.79	$518.36
36226 Insertion of tube into brain artery for diagnosis or treatment with review by radiologist	49	40	$2829.86	$296.56
22614 Fusion of additional segment of spine	47	13	$2476.00	$416.76
36227 Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist	30	25	$903.00	$202.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$225.00	$115.99
61781 Computer-assisted procedure inside brain	14	12	$769.00	$300.47
61645 Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance, accessed through skin	12	11	$3282.00	$1001.94
61783 Computer-assisted spinal procedure	12	12	$769.00	$265.42
69990 Use of operating microscope	12	11	$1163.00	$276.61
22842 Placement of stabilizing device to back, 3-6 spine bone segments	12	12	$6016.00	$856.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36224 Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist	35	29	$4416.14	$544.01
36226 Insertion of tube into brain artery for diagnosis or treatment with review by radiologist	33	28	$2101.71	$254.06
61781 Computer-assisted procedure inside brain	19	18	$747.58	$297.83
99213 Established patient office or other outpatient visit, typically 15 minutes	17	16	$134.24	$73.85
69990 Use of operating microscope	15	15	$1133.13	$274.89
22842 Placement of stabilizing device to back, 3-6 spine bone segments	14	14	$5811.00	$848.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$325.62	$175.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	11	$195.00	$111.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
63048 Partial removal of spine bone with release of spinal cord and/or nerves	64	26	$3385.94	$182.73
22614 Fusion of additional segment of spine	55	18	$2404.33	$321.14
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	40	39	$304.25	$136.18
99213 Established patient office or other outpatient visit, typically 15 minutes	37	31	$147.78	$68.88
36224 Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist	26	22	$2617.23	$501.50
61781 Computer-assisted procedure inside brain	26	23	$732.00	$300.05
22842 Placement of stabilizing device to back, 3-6 spine bone segments	25	24	$6213.29	$643.57
36226 Insertion of tube into brain artery for diagnosis or treatment with review by radiologist	23	19	$2320.83	$268.39
63082 Removal of upper spine bone with release of spinal cord and/or nerves, anterior approach, each additional segment	23	14	$4459.09	$239.83
69990 Use of operating microscope	21	21	$1088.95	$273.51
72100 X-ray of lower and sacral spine, 2-3 views	21	13	$173.00	$30.99
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	21	17	$4144.43	$244.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$317.60	$155.41
22845 Placement of stabilizing device to front, 2-3 spine bone segments	20	19	$7196.60	$667.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	16	$212.71	$99.67
61510 Removal of bone from skull for removal of upper brain tumor	15	14	$14769.81	$1843.53
63081 Removal of upper spine bone with release of spinal cord and/or nerves, anterior approach, single segment	15	15	$12815.20	$1599.32
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	14	14	$12105.36	$475.57
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	13	12	$10255.38	$807.63
63045 Partial removal of upper spine bone with release of spinal cord and/or nerves	12	12	$11034.17	$962.20
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$390.55	$193.40
22600 Fusion of spine in neck by posterior approach	11	11	$7851.18	$608.96

Medical Specialties & State Licenses

CMS Verified: 2026-04-09

Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License IL 036.125674

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Neurological Surgery

NUCC Taxonomy Code: 207T00000X

State License IN 01074833A

Neurological Surgery

NUCC Taxonomy Code: 207T00000X

State License SC 93343

Neurological Surgery

NUCC Taxonomy Code: 207T00000X

State License CO CDR.0000337

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

State License FL TRN6631

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Swedishamerican Hospital

6824 Newburg Rd, Rockford, IL 611084330

Phone: 7796967610

Advocate Health And Hospitals Corporation

9555 S 52nd Ave, Oak Lawn, IL 604533054

Phone: 7086340950

Swedishamerican Hospital

1401 E State St, Rockford, IL 611042315

Phone: 8154894400

Advocate Health And Hospitals Corporation

4440 W 95th St, Oak Lawn, IL 604532600

Advocate Health And Hospitals Corporation

1357 W 103rd St, Chicago, IL 606432392

Phone: 7732380800

Advocate Health And Hospitals Corporation

3815 Highland Ave, Downers Grove, IL 605151500

Tri-County Surgical Specialists Llc

9221 University Blvd, North Charleston, SC 294069148

Phone: 8437641730

Advocate Health And Hospitals Corporation

214 Mchenry Rd, Buffalo Grove, IL 600896748

Phone: 8474591160

Secondary Practice Locations

1725 E Boulder St Ste 101

Colorado Springs, CO 809095740

Phone: 7193656300

601 Gateway Blvd N

Chesterton, IN 463049658

Phone: 2199211444

7447 W Talcott Ave Ste 327

Chicago, IL 606313719

Phone: 7737748000

Practice Associates & Co-Workers

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

13 Associated Practitioners

Edyta Slodyczka

Physician Assistant

NPI 1073051330

Dr. Shandrea Boyd , PT, DPT

Physical Therapist

NPI 1184218869

Physical Therapist, Doctor of Physical Therapy

Dr. Ahmad Khattab , MD

Psychiatry & Neurology - Neurology

NPI 1215498431

Doctor of Medicine (M.D.)

Dr. Beejal Amin , MD

Neurological Surgery

NPI 1275742983

Doctor of Medicine (M.D.)

Maya Shvarts

Physician Assistant

NPI 1336897776

Rachel Gordon , PA

Physician Assistant

NPI 1427892959

Physician Assistant

Career & Practice History Timeline

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

13 Historical Events

📍

Updated Business Mailing Address April 30, 2025

Registered at 29373 NETWORK PL, CHICAGO, IL 606731293

👤

Provider Name / Credentials Updated April 30, 2025

Recorded as HAMAD FARHAT, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 30, 2025

Neurological Surgery (License #01074833A in IN)

📍

Updated Practice Location April 20, 2022

Registered at 4440 W 95TH ST STE 407, OAK LAWN, IL 604532600 (Tel: 7086844029)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 20, 2022

Neurological Surgery (License #CDR.0000337 in CO)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 16, 2019

Neurological Surgery (License #01074833A in IN)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 28, 2019

Neurological Surgery (License #CDR.0000337 in CO)

✅

NPI Profile Active February 17, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location February 17, 2015

Registered at 601 GATEWAY BLVD N, CHESTERTON, IN 463049658 (Tel: 2199211444)

📍

Updated Business Mailing Address February 17, 2015

Registered at 58 WOODLEY RD, WINNETKA, IL 600933748 (Tel: 8473867610)

👤

Provider Name / Credentials Updated February 17, 2015

Recorded as HAMAD FARHAT, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 17, 2015

Neurological Surgery (License #036.125674 in IL)

🟢

Initial NPI Registration & Enumeration February 12, 2010

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1861724064

Entity Type:

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

Enumeration Date: February 12, 2010

Last Update: April 09, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

29373 Network Pl

Chicago, IL 606731293

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.