Physician Profile
John G. Najjar, MD
Unclaimed ProfileAbout Dr. Najjar
Based in Worcester, MA, John G. Najjar, MD is listed in the NPI registry under vascular surgery. John is also listed as specializing in surgery. Medicare claims data shows John provided 850 services to 816 patients. The services billed most often include ultrasound study of arm or leg veins with compression and maneuvers, ultrasound study of one arm or leg veins with compression and maneuvers, and ultrasound of both sides of head and neck blood flow.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (508) 368-3190
- Email not available
Practice Locations
123 SUMMER ST SUITE 210
Worcester, MA 01608
Conditions Commonly Evaluated or Treated
Within Vascular Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Carotid artery disease
- Deep vein thrombosis
- Peripheral artery disease
- Spider veins
- Varicose veins
Aneurysms
- Groin Artery Bulge
- Knee Artery Aneurysm
- Visceral Artery Aneurysm
Aortic disease
- Aortic aneurysm
- Torn Aorta
Artery conditions
- Buerger's Disease
- Pelvic Artery Blockage
Artery disease
- Cold Sensitive Fingers and Toes
- Fibromuscular Dysplasia
- Mesenteric ischemia
- Narrow kidney artery
- Subclavian Steal Syndrome
Artery inflammation
Blood clots
- Blood Clot in Arm or Leg
- Blood Clot in Lung
- Long-Term Leg Swelling After Clot
Congenital vascular disorders
Dialysis
- Dialysis Access Problems
Digestive & abdominal
- Stomach Pain After Eating From Arteries
Emergencies
- Acute Leg Compartment Syndrome
Foot & toe conditions
- Blue Toe Syndrome
Leg & foot pain
- Leg Cramps When Walking
- Non-Healing Foot Sores From Poor Blood Flow
- Restless legs syndrome
Nerve & vessel compression
- Nutcracker Syndrome
- Popliteal Artery Entrapment
- Thoracic outlet syndrome
Skin & vein conditions
- Leg Skin Discoloration From Veins
Vascular malformations
- Klippel-Trenaunay Syndrome
Vascular tumors
- Carotid Body Tumor
Vein conditions
Vein disease
- Chronic pelvic pain
- Lymphedema
- May-Thurner Syndrome
- Poor Circulation and Swollen Legs
Wounds & sores
- Arterial Leg Ulcer
Wounds & ulcers
- Diabetic foot ulcer
- Gangrene
- Venous Leg Ulcers
Procedures & services
Most searched procedures
- Bypass surgery
- Carotid endarterectomy
- Sclerotherapy
- Spider vein removal
- Varicose vein treatment
- Vein ablation
Amputation surgery
- Below-Knee Leg Amputation
Aneurysm repair
- Complex Branched Aortic Aneurysm Repair
- Minimally Invasive Aneurysm Repair
- Open Aortic Aneurysm Surgery
- Popliteal Aneurysm Repair
- Pseudoaneurysm Injection Repair
- Thoracic Endovascular Aortic Repair
- Visceral Aneurysm Coiling
Artery procedures
- Atherectomy
- Balloon Angioplasty for Legs
- Carotid Artery Stent
- Leg Artery Stent
- Limb Salvage Surgery
- Mesenteric Artery Stenting
- Renal artery stenting
- Transcarotid Artery Revascularization
Artery surgery
- Groin Artery Plaque Removal
Blood clot treatments
- Pulmonary Embolism Clot Removal
Blood clots
- Blood Clot Removal Surgery
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Diagnostic procedures
- Temporal Artery Biopsy
Diagnostic tests
- Abdominal Aortic Aneurysm Ultrasound Screening
- Vein Mapping Ultrasound
Dialysis access
- Dialysis Fistula Surgery
- Dialysis Graft Placement
- Fistula Repair and Declotting
Emergency surgery
- Fasciotomy for Leg Swelling
Imaging & diagnostics
- Carotid Ultrasound
- Leg Circulation Test (ABI and Arterial Doppler)
- Leg Vein Ultrasound
- Peripheral Angiogram
Nerve & vessel compression
Nerve surgery
Vascular access
- Chemo port placement
- Chemo port removal
- Dialysis Catheter Removal
- Tunneled Dialysis Catheter Placement
Vascular malformation treatments
- Vascular Malformation Embolization
Vein procedures
- Ambulatory Phlebectomy
- Iliac Vein Stenting
- Pelvic Vein Embolization
- Varicose vein removal
Vein treatments
- Medical Compression Stocking Fitting
- Microfoam Vein Injection
- Vein Glue Closure
Wound care
- Surgical Wound Care
- Toe or Partial Foot Amputation
Procedures Most Often Billed to Medicare
850 services · 816 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Strapping, unna boot | Procedure | 29580 |
16 |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
20 |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
155 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
122 |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
114 |
| Complete ultrasound study of arm and leg arteries | Treatment | 93923 |
92 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93978 |
49 |
| Complete ultrasound of abdomen and pelvis artery and vein blood flow | Treatment | 93975 |
20 |
| Ultrasound of one leg arteries or artery grafts | Treatment | 93926 |
19 |
| Ultrasound of leg arteries or artery grafts | Treatment | 93925 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other vascular surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other vascular surgeons in Worcester 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Strapping, unna boot 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Najjar specialize in?
Dr. Najjar is a vascular surgeon in Worcester, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular Surgery”.
NPI registry
Where is Dr. Najjar located?
Dr. Najjar is listed at 123 Summer St Suite 210, Worcester, MA 01608. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Najjar's phone number?
The number on file is (508) 368-3190. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Najjar?
Dr. Najjar's National Provider Identifier is 1487630935. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Najjar go to medical school?
Dr. Najjar attended Other, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Najjar have?
Dr. Najjar has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Najjar do most often?
According to Medicare billing data, Dr. Najjar performs procedures including strapping, unna boot; reads or performs imaging such as ultrasonic guidance for blood vessel access; provides treatments such as ultrasound study of arm or leg veins with compression and maneuvers and ultrasound study of one arm or leg veins with compression and maneuvers, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Najjar's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Najjar. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.