Physician Profile
Gajan Sivananthan, MD
Unclaimed ProfileAbout Dr. Sivananthan
Gajan Sivananthan, MD practices interventional radiology in New York, NY. Gajan is a 2009 graduate of Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc). Gajan is also listed as specializing in vascular & interventional radiology. According to Medicare claims data, Gajan cared for 208 Medicare patients across 217 services. The services billed most often include use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes, ultrasonic guidance for blood vessel access, and fluoroscopic guidance for insertion or removal of central vein access device. The provider's National Provider Identifier (NPI) is 1477887768.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (609) 240-9357
- Email not available
Practice Locations
303 E 83RD ST
New York, NY 10028
Conditions Commonly Evaluated or Treated
Within Interventional Radiology 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
- Deep vein thrombosis
- Enlarged prostate
- Peripheral artery disease
- Spinal compression fractures
- Uterine fibroids
- Varicose veins
Bone & Joint
Brain & Spine
Cancer
Digestive
- Acute gallbladder inflammation
- Ascites
- Benign Liver Tumor
- Bleeding Hemorrhoids
- Blocked Bile Duct
- Portal hypertension
Emergency vascular
Endocrine
Joint & bone pain
Kidney
Men's health
Pain
Respiratory
Vascular
- Aortic aneurysm
- Blocked Chest Vein
- Blood Clot in Lung
- Brain Vascular Malformation
- Carotid Artery Blockage
- Chronic venous insufficiency
- Leg Ulcers
- Lymph Fluid Leak in Chest
- May-Thurner Syndrome
- Narrow kidney artery
- Nutcracker Syndrome
- Spider veins
- Torn Aorta
- Visceral Artery Aneurysm
Women's health
Procedures & services
Most searched procedures
- Angiogram
- Atherectomy
- Kyphoplasty
- Prostate artery embolization
- Uterine fibroid embolization
- Y-90 radioembolization
Bone & Joint
Brain & Spine
Cancer
- Chemo port removal
- Kidney Tumor Ablation
- Microwave Ablation for Tumors
- Radiofrequency ablation
- TACE Chemoembolization
- Tumor Cryoablation
Diagnostic
Digestive
- Bile duct stent placement
- Feeding tube placement
- Gallbladder Drainage Tube Placement
- Hemorrhoid Embolization
- TIPS Procedure
Drainage
Emergency vascular
Endocrine
Joint & bone pain
Kidney
Kidney & Urinary
Men's health
Pain
- Celiac Plexus Nerve Block
- Epidural steroid injection
- Radiofrequency Nerve Ablation
- Sacroiliac joint injection
Vascular
- Balloon Angioplasty for Legs
- Blood Clot Removal Surgery
- Carotid Artery Stent
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
- Laser Vein Treatment For Leg Swelling
- Minimally Invasive Aneurysm Repair
- Sclerotherapy
- Thoracic Duct Embolization
- Vascular Malformation Sclerotherapy
- Vein Blood Flow Study
- Vein Stent Placement
Vascular access
Women's health
Procedures Most Often Billed to Medicare
217 services · 208 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of tunneled central venous tube for infusion (5 years or older) | Procedure | 36558 |
13 | Less often than most peers in Interventional Radiology |
| Occlusion of artery or vein bleeding with review by radiologist | Procedure | 37244 |
12 | Less often than most peers in Interventional Radiology |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
38 | As often as other peers in Interventional Radiology |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
24 | As often as other peers in Interventional Radiology |
| Review by radiologist of ct guidance for needle placement | Imaging | 77012 |
16 | Less often than most peers in Interventional Radiology |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
76 | As often as other peers in Interventional Radiology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
20 | As often as other peers in Interventional Radiology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 | Less often than most peers in Interventional Radiology |
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.
Related specialists at this location 5
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.
Other interventional radiologists in New York 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of tunneled central venous tube for infusion (5 years or older) 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Dr. Sivananthan's specialty?
Dr. Sivananthan is an interventional radiologist in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Radiology”.
NPI registry
Where can I find Dr. Sivananthan?
Dr. Sivananthan is listed at 303 E 83Rd St, New York, NY 10028. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Sivananthan?
The number on file is (609) 240-9357. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Sivananthan's NPI number?
Dr. Sivananthan's National Provider Identifier is 1477887768. 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
What is Dr. Sivananthan's medical education?
Dr. Sivananthan attended Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Sivananthan been practicing?
Dr. Sivananthan has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Sivananthan known for?
According to Medicare billing data, Dr. Sivananthan performs procedures including insertion of tunneled central venous tube for infusion and occlusion of artery or vein bleeding with review by radiologist; reads or performs imaging such as ultrasonic guidance for blood vessel access and fluoroscopic guidance for insertion or removal of central vein access device; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Sivananthan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sivananthan. If this is you, claiming it is free.
Guide.md
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