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Edit this profileWhere to find Ben U. Marsan, M.D.
- Darien location main office
85 Old Kings Hwy N, Darien, CT 06820 - Stratford location
495 Hawley Ln Ste 2A, Stratford, CT 06614
About Dr. Marsan
Ben U. Marsan, M.D. is a healthcare provider in Darien, CT specializing in vascular surgery. Ben trained at Oregon Health Sciences University School of Medicine, graduating in 1989. Medicare claims data shows Ben provided 1,254 services to 608 patients. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and ultrasound study of arm or leg veins with compression and maneuvers. This provider record is associated with NPI 1518977479.
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
- (203) 956-6819
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
85 OLD KINGS HWY N
Darien, CT 06820
495 Hawley Ln Ste 2A
Stratford, CT 06614
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
Aneurysms
Aortic disease
Artery conditions
Artery disease
- Cold Sensitive Fingers and Toes
- Fibromuscular Dysplasia
- Mesenteric ischemia
- Narrow kidney artery
- Subclavian Steal Syndrome
Artery inflammation
Blood clots
Congenital vascular disorders
Dialysis
Digestive & abdominal
Emergencies
Foot & toe conditions
Leg & foot pain
Nerve & vessel compression
Skin & vein conditions
Vascular malformations
Vascular tumors
Vein conditions
Vein disease
Wounds & sores
Wounds & ulcers
Procedures & services
Aneurysm repair
- Minimally Invasive Aneurysm Repair
- Complex Branched Aortic Aneurysm Repair
- Open Aortic Aneurysm Surgery
- Popliteal Aneurysm Repair
- Pseudoaneurysm Injection Repair
- Thoracic Endovascular Aortic Repair
- Visceral Aneurysm Coiling
Artery procedures
- Balloon Angioplasty for Legs
- Carotid Artery Stent
- Atherectomy
- Leg Artery Stent
- Limb Salvage Surgery
- Mesenteric Artery Stenting
- Renal artery stenting
- Transcarotid Artery Revascularization
Blood clots
- Blood Clot Removal Surgery
- IVC Filter Placement
- IVC Filter Removal
- Catheter Clot Dissolving Treatment
Circulation & limbs
Cosmetic dermatology
Kidney
Vascular
Vein procedures
Veins & circulation
Wounds & skin
Most searched procedures
- Bypass surgery
- Carotid endarterectomy
- Sclerotherapy
- Spider vein removal
- Varicose vein treatment
- Vein ablation
Amputation surgery
Artery surgery
Blood clot treatments
Diagnostic procedures
Diagnostic tests
Dialysis access
Emergency surgery
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
Vein treatments
Wound care
Procedures Most Often Billed to Medicare
1,254 services · 608 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
20 | Less often than most peers in Vascular Surgery |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
111 | More often than most peers in Vascular Surgery |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
76 | As often as other peers in Vascular Surgery |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
58 | As often as other peers in Vascular Surgery |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93978 |
40 | As often as other peers in Vascular Surgery |
| Ultrasound of leg arteries or artery grafts | Treatment | 93925 |
39 | As often as other peers in Vascular Surgery |
| Ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93979 |
27 | As often as other peers in Vascular Surgery |
| Ultrasound of one leg arteries or artery grafts | Treatment | 93926 |
25 | As often as other peers in Vascular Surgery |
| Complete ultrasound study of arm and leg arteries | Treatment | 93923 |
17 | Less often than most peers in Vascular Surgery |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
14 | Less often than most peers in Vascular Surgery |
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 3
Same specialty, same street address — most likely the same department or group.
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 vascular surgeons in Darien 4
Same specialty, same city.
More connections — 21 related providers in 3 groups
Trained at Oregon Health Sciences University School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Oregon Health Sciences University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasonic guidance for blood vessel access 6
Providers in CT who bill this service to Medicare most often.
Common questions
What does Ben U. Marsan specialize in?
Ben U. Marsan is a vascular surgeon in Darien, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular Surgery”.
NPI registry
Where is Ben U. Marsan located?
Ben U. Marsan is listed at 85 Old Kings Hwy N, Darien, CT 06820. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Ben U. Marsan's phone number?
The number on file is (203) 956-6819. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Ben U. Marsan?
Ben U. Marsan's National Provider Identifier is 1518977479. 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 Ben U. Marsan train?
Ben U. Marsan attended Oregon Health Sciences University School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ben U. Marsan have?
Ben U. Marsan has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Ben U. Marsan do most often?
According to Medicare billing data, Ben U. Marsan performs imaging including ultrasonic guidance for blood vessel access; provides treatments such as ultrasound study of arm or leg veins with compression and maneuvers and ultrasound of both sides of head and neck blood flow, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Ben U. Marsan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ben U. Marsan. If this is you, claiming it is free.
Guide.md
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