Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > MA Providers > Vascular Surgeons

Dr. John G. Najjar, MD

Accepting New Patients

(36 Ratings)

Specializes in: Vascular Surgery

American University of Beirut Faculty of Medicine

Professional interests include: wounds, dialysis access procedures, aortic aneurysm repair, and more.

24 Newton Street 1 (
Southborough, MA 01772

(508) 486-4472

Dr. John G. Najjar, MD is a vascular surgeon in Worcester, MA specializing in vascular surgery. He graduated from American University of Beirut Faculty of Medicine. Dr. John G. Najjar, MD is affiliated with Reliant Medical Group.

Office Locations

Reliant Medical Group

123 Summer Street 1 (
Worcester, MA 01608

(508) 368-3190

open_in_new

Reliant Medical Group

24 Newton Street 1 (
Southborough, MA 01772

(508) 486-4472

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. John G. Najjar, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Affordability:

arterial duplex ultrasound

arterial ultrasound

lower extremity arterial duplex

lower extremity arterial ultrasound

In 2023, Dr. John G. Najjar, MD had a list price for arterial duplex ultrasound, arterial ultrasound, lower extremity arterial duplex, and lower extremity (leg) arterial ultrasound that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Massachusetts. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 10%

By Affordability:

ankle brachial index

carotid duplex ultrasound

carotid ultrasound

vascular physiologic studies

In 2023, Dr. John G. Najjar, MD had a list price for ankle brachial index (ABI), carotid duplex ultrasound, carotid ultrasound, and vascular physiologic studies that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Massachusetts. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

ultrasound

By Affordability:

abdominal duplex ultrasound

duplex ultrasound

lower extremity venous ultrasound

lower extremity venous duplex

pelvic duplex ultrasound

testicular duplex ultrasound

vascular studies

vascular ultrasound

venous duplex ultrasound

venous ultrasound

In 2012, among providers in related specialties within Massachusetts, Dr. John G. Najjar, MD performed more ultrasound (sonogram) procedures for Medicare patients than 75% of them and he also had a list price for abdominal duplex ultrasound, duplex ultrasound, lower extremity (leg) venous ultrasound, lower extremity venous duplex, pelvic duplex ultrasound, testicular duplex ultrasound, vascular studies, vascular ultrasound, venous duplex ultrasound, and venous ultrasound that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John G. Najjar, MD treated as a vascular surgeon in Worcester, MA during 2012 were vascular procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John G. Najjar, MD for Medicare patients.

abdominal imaging	37
compression therapy	104
debridement (removal of unhealthy tissue)	18
doctor visit	220
excision	18
hospital care	110
immobilization	104
inpatient care	110
pelvic imaging	37
ultrasound (sonogram)	321
vascular procedures	360

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John G. Najjar, MD treated as a vascular surgeon in Worcester, MA during 2013 were vascular procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John G. Najjar, MD for Medicare patients.

abdominal imaging	54
blood draw	20
compression therapy	36
debridement (removal of unhealthy tissue)	13
doctor visit	265
excision	13
hospital care	129
immobilization	36
inpatient care	129
minimally invasive procedures	11
pelvic imaging	54
ultrasound (sonogram)	365
vascular procedures	407

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John G. Najjar, MD.

**Gender**
Male	291
Female	308

**Ethnicity**
Non-Hispanic White	530
Black	26
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	148
85 and over	83
Less than 65	169

Conditions of Medicare patients treated by Dr. John G. Najjar, MD in 2013

Hypertension	75
High Cholesterol	74
Stroke	9
Ischemic Heart Disease	56
Depression	36
Chronic Kidney Disease	40
Asthma	13
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	34
Chronic Obstructive Pulmonary Disease	26
Diabetes	42
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John G. Najjar, MD treated as a vascular surgeon in Worcester, MA during 2014 were vascular procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. John G. Najjar, MD for Medicare patients.

abdominal imaging	83
amputation	22
blood draw	24
compression therapy	39
debridement (removal of unhealthy tissue)	18
doctor visit	449
excision	18
hospital care	151
hyperbaric oxygen (HBO) therapy	54
immobilization	39
inpatient care	151
lower extremity surgery	22
minimally invasive procedures	11
pelvic imaging	83
stent placement (stenting)	11
ultrasound (sonogram)	758
vascular procedures	875

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John G. Najjar, MD.

**Gender**
Male	525
Female	513

**Ethnicity**
Non-Hispanic White	924
Black	37
Hispanic	49
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	371
From 75 to 84	303
85 and over	160
Less than 65	204

Conditions of Medicare patients treated by Dr. John G. Najjar, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	53
Depression	31
Chronic Kidney Disease	42
Asthma	11
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	35
Chronic Obstructive Pulmonary Disease	24
Diabetes	44
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John G. Najjar, MD treated as a vascular surgeon in Worcester, MA during 2015 were vascular procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. John G. Najjar, MD for Medicare patients.

abdominal imaging	72
amputation	27
blood draw	22
compression therapy	34
debridement (removal of unhealthy tissue)	29
doctor visit	427
excision	29
hospital care	160
hyperbaric oxygen (HBO) therapy	42
immobilization	34
inpatient care	160
lower extremity surgery	27
minimally invasive procedures	13
pelvic imaging	72
ultrasound (sonogram)	657
vascular procedures	801

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John G. Najjar, MD.

**Gender**
Male	956
Female	948

**Ethnicity**
Non-Hispanic White	1752
Black	38
Hispanic	74
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	688
From 75 to 84	520
85 and over	310
Less than 65	386

Conditions of Medicare patients treated by Dr. John G. Najjar, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	57
Depression	35
Chronic Kidney Disease	46
Asthma	21
Osteoperosis	13
Atrial Fibrilation	21
Heart Failure	40
Chronic Obstructive Pulmonary Disease	30
Diabetes	43
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John G. Najjar, MD treated as a vascular surgeon in Worcester, MA during 2016 were vascular procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. John G. Najjar, MD for Medicare patients.

abdominal imaging	68
amputation	17
blood draw	16
compression therapy	47
debridement (removal of unhealthy tissue)	72
doctor visit	404
endarterectomy	11
excision	72
hospital care	100
hyperbaric oxygen (HBO) therapy	45
immobilization	47
inpatient care	100
lower extremity surgery	17
neck surgery	11
pelvic imaging	68
ultrasound (sonogram)	608
vascular procedures	696

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John G. Najjar, MD.

**Gender**
Male	449
Female	431

**Ethnicity**
Non-Hispanic White	781
Black	34
Hispanic	40
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	322
From 75 to 84	220
85 and over	131
Less than 65	207

Conditions of Medicare patients treated by Dr. John G. Najjar, MD in 2016

Hypertension	75
High Cholesterol	74
Stroke	9
Ischemic Heart Disease	54
Depression	34
Chronic Kidney Disease	52
Asthma	31
Osteoperosis	10
Atrial Fibrilation	21
Heart Failure	40
Chronic Obstructive Pulmonary Disease	30
Diabetes	43
Dementia	17
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John G. Najjar, MD treated as a vascular surgeon in Worcester, MA during 2017 were vascular procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John G. Najjar, MD for Medicare patients.

abdominal imaging	73
blood draw	13
compression therapy	42
debridement (removal of unhealthy tissue)	50
doctor visit	353
excision	50
hospital care	175
hyperbaric oxygen (HBO) therapy	30
immobilization	42
inpatient care	175
pelvic imaging	73
ultrasound (sonogram)	663
vascular procedures	747

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John G. Najjar, MD.

**Gender**
Male	491
Female	429

**Ethnicity**
Non-Hispanic White	822
Black	28
Hispanic	45
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	356
From 75 to 84	243
85 and over	124
Less than 65	197

Conditions of Medicare patients treated by Dr. John G. Najjar, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	53
Depression	39
Chronic Kidney Disease	53
Asthma	12
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	41
Chronic Obstructive Pulmonary Disease	32
Diabetes	44
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John G. Najjar, MD treated as a vascular surgeon in Worcester, MA during 2018 were vascular procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. John G. Najjar, MD for Medicare patients.

abdominal imaging	95
amputation	13
blood draw	27
compression therapy	30
debridement (removal of unhealthy tissue)	17
doctor visit	301
excision	17
hospital care	146
immobilization	30
inpatient care	146
lower extremity surgery	13
pelvic imaging	95
ultrasound (sonogram)	710
vascular procedures	802

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John G. Najjar, MD.

**Gender**
Male	495
Female	477

**Ethnicity**
Non-Hispanic White	868
Black	21
Hispanic	53
Asian	12
Other	18
Native American	0

**Age**
From 65 to 74	348
From 75 to 84	272
85 and over	136
Less than 65	216

Conditions of Medicare patients treated by Dr. John G. Najjar, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	57
Depression	39
Chronic Kidney Disease	55
Asthma	13
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	42
Chronic Obstructive Pulmonary Disease	33
Diabetes	43
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John G. Najjar, MD treated as a vascular surgeon in Worcester, MA during 2019 were vascular procedures, ultrasound (sonogram), pelvic imaging and abdominal imaging.

Volume of procedures performed by Dr. John G. Najjar, MD for Medicare patients.

abdominal imaging	124
blood draw	14
compression therapy	40
debridement (removal of unhealthy tissue)	105
doctor visit	417
endarterectomy	12
excision	105
hospital care	100
immobilization	40
inpatient care	100
neck surgery	12
pelvic imaging	124
ultrasound (sonogram)	740
vascular procedures	858

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John G. Najjar, MD.

**Gender**
Male	558
Female	470

**Ethnicity**
Non-Hispanic White	902
Black	30
Hispanic	65
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	385
From 75 to 84	301
85 and over	139
Less than 65	203

Conditions of Medicare patients treated by Dr. John G. Najjar, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	56
Depression	35
Chronic Kidney Disease	54
Asthma	11
Osteoperosis	10
Atrial Fibrilation	21
Heart Failure	43
Chronic Obstructive Pulmonary Disease	33
Diabetes	45
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John G. Najjar, MD treated as a vascular surgeon in Worcester, MA during 2020 were vascular procedures, ultrasound (sonogram), pelvic imaging and abdominal imaging.

Volume of procedures performed by Dr. John G. Najjar, MD for Medicare patients.

abdominal imaging	76
blood draw	33
debridement (removal of unhealthy tissue)	36
doctor visit	396
endarterectomy	12
excision	36
hospital care	74
inpatient care	74
neck surgery	12
pelvic imaging	76
ultrasound (sonogram)	424
vascular procedures	501

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John G. Najjar, MD.

**Gender**
Male	376
Female	321

**Ethnicity**
Non-Hispanic White	617
Black	24
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	206
85 and over	90
Less than 65	116

Conditions of Medicare patients treated by Dr. John G. Najjar, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	57
Depression	35
Chronic Kidney Disease	56
Asthma	10
Osteoperosis	8
Atrial Fibrilation	21
Heart Failure	42
Chronic Obstructive Pulmonary Disease	32
Diabetes	45
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John G. Najjar, MD treated as a vascular surgeon in Worcester, MA during 2021 were vascular procedures, ultrasound (sonogram), pelvic imaging and abdominal imaging.

Volume of procedures performed by Dr. John G. Najjar, MD for Medicare patients.

abdominal imaging	66
blood draw	11
debridement (removal of unhealthy tissue)	33
doctor visit	344
excision	33
hospital care	56
inpatient care	56
pelvic imaging	66
ultrasound (sonogram)	407
vascular procedures	477

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John G. Najjar, MD.

**Gender**
Male	342
Female	320

**Ethnicity**
Non-Hispanic White	589
Black	0
Hispanic	32
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	258
From 75 to 84	200
85 and over	80
Less than 65	124

Conditions of Medicare patients treated by Dr. John G. Najjar, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	57
Depression	32
Chronic Kidney Disease	54
Asthma	11
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	38
Chronic Obstructive Pulmonary Disease	32
Diabetes	43
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John G. Najjar, MD treated as a vascular surgeon in Worcester, MA during 2022 were vascular procedures, ultrasound (sonogram), pelvic imaging and abdominal imaging.

Volume of procedures performed by Dr. John G. Najjar, MD for Medicare patients.

abdominal imaging	110
ablation	26
blood draw	20
doctor visit	339
hospital care	66
inpatient care	66
minimally invasive procedures	26
pelvic imaging	110
ultrasound (sonogram)	573
vascular procedures	713

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John G. Najjar, MD.

**Gender**
Male	425
Female	317

**Ethnicity**
Non-Hispanic White	673
Black	0
Hispanic	25
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	301
From 75 to 84	259
85 and over	86
Less than 65	96

Conditions of Medicare patients treated by Dr. John G. Najjar, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	48
Depression	28
Chronic Kidney Disease	44
Asthma	15
Osteoperosis	11
Atrial Fibrilation	28
Heart Failure	36
Chronic Obstructive Pulmonary Disease	34
Diabetes	41
Dementia	11
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John G. Najjar, MD for Medicare patients.

The highest averages for the top procedures that Dr. John G. Najjar, MD treated as a vascular surgeon in Worcester, MA were vascular procedures, ultrasound (sonogram), inpatient care and hospital care.

abdominal imaging	78
ablation	26
amputation	19
blood draw	20
compression therapy	46
debridement (removal of unhealthy tissue)	39
doctor visit	355
endarterectomy	11
excision	39
hospital care	115
immobilization	46
inpatient care	115
lower extremity surgery	19
minimally invasive procedures	15
neck surgery	11
pelvic imaging	78
stent placement (stenting)	11
ultrasound (sonogram)	566
vascular procedures	657

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John G. Najjar, MD.

**Gender**
Male	446
Female	412

**Ethnicity**
Black / African American	21
Asian / Pacific Islander	1
Non-Hispanic White	768
Native American / Alaskan Native	0
Hispanic	40
Other	5

**Age**
75 to 84	242
85 and over	121
Less than 65	174
65 to 74	319

Average of Total of Conditions of Medicare patients treated by Dr. John G. Najjar, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John G. Najjar, MD treated were high cholesterol, hypertension, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	49
Depression	31
Chronic Kidney Disease	45
Asthma	13
Osteoporosis	9
Heart Failure	35
Chronic Obstructive Pulmonary Disease	27
Diabetes	39
Atrial Fibrillation	19
Cancer	13
Dementia	11

Education & Training

Dr. John G. Najjar, MD graduated from American University of Beirut Faculty of Medicine. He completed residency at SUNY Downstate Medical Center and Affiliated Hospitals. He is certified by the American Board of Surgery American Board of Surgery - General Vascular Surgery and has a state license in Massachusetts.

Medical School: American University of Beirut Faculty of Medicine

Residency: SUNY Downstate Medical Center and Affiliated Hospitals

Board Certification: American Board of Surgery American Board of Surgery - General Vascular Surgery

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. John G. Najjar, MD is associated with these hospitals and organizations:

Reliant Medical Group

Ratings & Reviews

Dr. John G. Najjar, MD has an exceptional overall rating with an average of 4.8 out of 5 stars based on 36 ratings. We collect ratings and reviews of Dr. John G. Najjar, MD from all over the web to help you find the right in Worcester, MA.

4.8

Overall Rating

(36 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. John G. Najjar, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
W. L. Gore & Associates, Inc.	$3,089 EXCLUDER Iliac Branch Endoprosthesis $1,352	C3 Delivery System $718	EXCLUDER AAA Endoprosthesis $553	EXCLUDER Conformable AAA Endoprosthesis with Active Control $144	GORE VIABAHN Endoprosthesis $139	Other $183
Medtronic, Inc.	$3,063 Valiant Captivia $1,434	ENDURANT IIS $804	TurboHawk $734	HawkOne $55	IN.PACT Admiral $17	Other $19
Medtronic Vascular, Inc.	$2,708 Endurant $2,422	Aortic Stent Grafts $143	EverCross $92	$52
CORDIS US CORP.	$1,860 S.M.A.R.T. $13	$1,847
Silk Road Medical, Inc.	$1,227 ENROUTE Transcarotid Neuroprotection System $868	ENROUTE Transcarotid Stent $359
Other	$3,775 OFIRMEV $698	Vascular $644	Alto Abdominal Stent Graft System $207	Regranex $206	DALVANCE $177	Other $1,843

**Types of Payments**
Food and Beverage	$7,483
Travel and Lodging	$6,441
Consulting Fee	$1,800

Biography

Dr. John Najjar is a specialist in vascular surgery. His average patient rating is 5.0 stars (out of 5). His areas of expertise include thoracic outlet syndrome, dialysis access procedures, and limb preservation. Dr. Najjar is affiliated with Reliant Medical Group. According to Reliant Medical Group, he is currently accepting new patients at his office in Southborough, MA. He graduated from American University of Beirut Faculty of Medicine and then he performed his residency at a hospital affiliated with SUNY Downstate Medical Center.