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- 741 Northfield Ave, Suite 105, West Orange, NJ 07052
About Dr. Mast
Harold L. Mast, MD practices vascular & interventional radiology in West Orange, NJ. According to Medicare claims data, Harold cared for 281 Medicare patients across 599 services. The services billed most often include insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and ultrasound evaluation of blood vessel with review by radiologist, initial vessel. The provider's National Provider Identifier (NPI) is 1396790820.
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
- (973) 243-9729
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
741 NORTHFIELD AVE SUITE 105
West Orange, NJ 07052
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
Bone & Joint
- Benign Bone Tumor
- Heel pain
Brain & Spine
- Chronic Brain Bleed
- Stroke
- Brain aneurysm
Digestive
- Benign Liver Tumor
- Bleeding Hemorrhoids
- Acute gallbladder inflammation
- Ascites
- Blocked Bile Duct
- Portal hypertension
Pain
- Severe Cancer Pain in Belly
- Facet joint pain
- Sacroiliac joint pain
- Sciatica
Vascular
- Leg Ulcers
- Aortic aneurysm
- Blocked Chest Vein
- Blood Clot in Lung
- Brain Vascular Malformation
- Carotid Artery Blockage
- Chronic venous insufficiency
- Lymph Fluid Leak in Chest
- May-Thurner Syndrome
- Narrow kidney artery
- Nutcracker Syndrome
- Spider veins
- Torn Aorta
- Visceral Artery Aneurysm
Most searched conditions
- Deep vein thrombosis
- Enlarged prostate
- Peripheral artery disease
- Spinal compression fractures
- Uterine fibroids
- Varicose veins
Cancer
- Cancer spread to bones
- Kidney cancer
- Liver cancer
- Lung cancer
Emergency vascular
Endocrine
Joint & bone pain
Kidney
- Dialysis Access Problems
- Hydronephrosis
Men's health
Respiratory
Women's health
- Adenomyosis
- Blocked Fallopian Tubes
- Chronic pelvic pain
Procedures & services
Access and nutrition
- Central venous catheter placement
- Implanted venous port placement
Biopsies
- Lung Biopsy
Bone & Joint
- Osteoid Osteoma Ablation
Bowel and emergency abdominal
- Surgical drainage of abdominal abscess
Brain & Spine
- Image-Guided Lumbar Puncture
- Middle Meningeal Artery Embolization
- Brain Aneurysm Coiling
Cancer
- Chemo port removal
- Kidney Tumor Ablation
- Microwave Ablation for Tumors
- TACE Chemoembolization
- Tumor Cryoablation
- Radiofrequency ablation
Catheter ablation
- Cryoablation
Cosmetic dermatology
- Sclerotherapy for spider veins
Digestive
- Bile duct stent placement
- Feeding tube placement
- Gallbladder Drainage Tube Placement
- Hemorrhoid Embolization
- TIPS Procedure
Drainage
Emergency vascular
- Embolization for Internal Bleeding
Endocrine
- Thyroid Nodule Radiofrequency Ablation
Joint & bone pain
- Knee Embolization for Arthritis
- Vertebroplasty
Kidney
- Dialysis Fistula Repair
- Kidney Drainage Tube Placement
Kidney & Urinary
- Dialysis Catheter Care
- Minimally Invasive Dialysis Fistula Creation
Men's health
- Varicocele Embolization
Nursing care
- Central Line and PICC Line Dressing Change
- G-Tube Button Replacement
Office diagnosis
- Fine-needle aspiration of a neck mass
Pain
- Celiac Plexus Nerve Block
- Radiofrequency Nerve Ablation
- Epidural steroid injection
- Sacroiliac joint injection
Post-Op Care
Skin Procedures
- Cyst Drainage
Thyroid
- Thyroid Cyst Alcohol Ablation
Vascular
- Balloon Angioplasty for Legs
- Carotid Artery Stent
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
- Laser Vein Treatment For Leg Swelling
- Minimally Invasive Aneurysm Repair
- Thoracic Duct Embolization
- Vascular Malformation Sclerotherapy
- Vein Blood Flow Study
- Vein Stent Placement
- Blood Clot Removal Surgery
- Sclerotherapy
Vascular access
- Central line placement
- Chemo port placement
- PICC line placement coordination
Vascular Access
- Midline IV Catheter Placement
Veins & circulation
- Vein treatment consultation
Women's health
- Pelvic Vein Embolization
- Unblocking Fallopian Tubes
Wounds & recovery
Most searched procedures
- Angiogram
- Atherectomy
- Kyphoplasty
- Prostate artery embolization
- Uterine fibroid embolization
- Y-90 radioembolization
Diagnostic
Procedures Most Often Billed to Medicare
599 services · 281 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist | Procedure | 36902 |
244 | More than most peers in Vascular & Interventional… |
| Ultrasound evaluation of blood vessel with review by radiologist, initial vessel | Procedure | 37252 |
87 | More often than most peers in Vascular & Interventional… |
| Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist | Procedure | 36902 |
69 | More than most peers in Vascular & Interventional… |
| Balloon dilation of dialysis segment with review by radiologist | Procedure | 36907 |
21 | Less often than most peers in Vascular & Interventional… |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
126 | More than most peers in Vascular & Interventional… |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
52 | More than most peers in Vascular & Interventional… |
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 interventional radiologists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 22 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 6
Providers in NJ who bill this service to Medicare most often.
Common questions
What is Dr. Mast's specialty?
Dr. Mast is an interventional radiologist in West Orange, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular & Interventional Radiology”.
NPI registry
Where can I find Dr. Mast?
Dr. Mast is listed at 741 Northfield Ave Suite 105, West Orange, NJ 07052. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Mast?
The number on file is (973) 243-9729. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Mast's NPI number?
Dr. Mast's National Provider Identifier is 1396790820. 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. Mast's medical education?
Dr. Mast attended Other, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mast been practicing?
Dr. Mast has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Mast known for?
According to Medicare billing data, Dr. Mast performs procedures including insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist, ultrasound evaluation of blood vessel with review by radiologist, initial vessel and balloon dilation of dialysis segment with review by radiologist, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Mast confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mast. If this is you, claiming it is free.
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