Physician Profile
Naiem Nassiri, MD
Unclaimed ProfileAbout Dr. Nassiri
Naiem Nassiri, MD practices vascular surgery in Darien, CT. Naiem is a 2008 graduate of Oregon Health Sciences University School of Medicine. Naiem is also listed as specializing in student in an organized health care education program. Medicare claims data shows Naiem provided 288 services to 214 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, ultrasound study of one arm or leg veins with compression and maneuvers, and ultrasound evaluation of blood vessel with review by radiologist, each additional vessel. The provider's National Provider Identifier (NPI) is 1033366745.
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) 548-7858
- Email not available
Practice Locations
330 BOSTON POST RD STE 240
Darien, CT 06820
Yale University 330 Cedar Street, Boardman Building 204
New Haven, CT 06510
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
Most searched procedures
- Bypass surgery
- Carotid endarterectomy
- Sclerotherapy
- Spider vein removal
- Varicose vein treatment
- Vein ablation
Amputation surgery
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
Blood clot treatments
Blood clots
- Blood Clot Removal Surgery
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
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 procedures
Vein treatments
Wound care
Procedures Most Often Billed to Medicare
288 services · 214 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel | Procedure | 37253 |
36 | As often as other peers in Vascular Surgery |
| Ultrasound evaluation of blood vessel with review by radiologist, initial vessel | Procedure | 37252 |
20 | As often as other peers in Vascular Surgery |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
12 | Less often than most peers in Vascular Surgery |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
41 | As often as other peers in Vascular Surgery |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
21 | Less often than most peers in Vascular Surgery |
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
15 | Less often than most peers in Vascular Surgery |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
12 | Less often than most peers in Vascular Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
49 | As often as other peers in Vascular Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
26 | As often as other peers in Vascular Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
17 | 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 — 20 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 2008 at Oregon Health Sciences University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel 5
Providers in CT who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Nassiri?
Dr. Nassiri 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
What is Dr. Nassiri's address?
Dr. Nassiri is listed at 330 Boston Post Rd Ste 240, Darien, CT 06820. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Nassiri?
The number on file is (203) 548-7858. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Nassiri?
Dr. Nassiri's National Provider Identifier is 1033366745. 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. Nassiri train?
Dr. Nassiri attended Oregon Health Sciences University School of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Nassiri have?
Dr. Nassiri has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Nassiri perform?
According to Medicare billing data, Dr. Nassiri performs procedures including ultrasound evaluation of blood vessel with review by radiologist, each additional vessel and ultrasound evaluation of blood vessel with review by radiologist, initial vessel; reads or performs imaging such as ultrasonic guidance for blood vessel access; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers and ultrasound study of 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. Nassiri's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nassiri. If this is you, claiming it is free.
Guide.md
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