
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Klein, Diagnostic Radiologist in Norwalk, CT?
Dr. Klein is President of Norwalk Radiology Consultants and has been on staff since 2001. He is a fellow of the American College of Radiology and past president of the Radiological Society of Connecticut. He received his medical degree and completed internship and residency training at New York University Medical Center. This was followed by a fellowship in vascular and interventional radiology at Thomas Jefferson University Hospital in Philadelphia.
Dr. Klein tries to be a dedicated dad. He is an avid outdoorsman and dreams to trek the world when he reaches old age. Hopefully his kids will help.
What are Areas of Expertise for Dr. Klein?
Dr. David Klein, MD is a highly-rated, board-certified Diagnostic Radiologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Klein empowers patients to confidently navigate their health journey, specializing in Vein Disorders, and comprehensive wellness support. Serving the Norwalk, CT community, Dr. Klein is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Klein go to medical school and complete their residency?
Residency: New York University School of Medicine Program
Medical School: New York University School of Medicine
Is Dr. Klein board certified as a Diagnostic Radiologist?
Yes, Dr. David Klein, MD is board certified by the American Board of Radiology
What languages does Dr. Klein speak?
Dr. Klein and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Diagnostic Radiologist like Dr. Klein typically treat?
As a Diagnostic Radiologist, Dr. Klein diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Klein. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Other Abnormal Findings on Lung Scan
- Unusual Lung Scan Results
- Atypical Lung Imaging
- Nonspecific Lung Abnormality
ICD-10 Codes:
- R918: Other nonspecific abnormal finding of lung field
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Also known as:
- Cough
- Coughing
- Persistent cough
- Chronic cough
ICD-10 Codes:
- R059: Cough, unspecified
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
Also known as:
- Other Soft Tissue Disorder
- Connective Tissue Disorder
- Muscle Disorder
- Muscle and connective tissue problems
- Uncommon soft tissue conditions
- Various soft tissue ailments
ICD-10 Codes:
- M7989: Other specified soft tissue disorders
Also known as:
- Kidney Stones
- Renal Calculi
- Nephrolithiasis
- Kidney Calculi
ICD-10 Codes:
- N200: Calculus of kidney
Also known as:
- Abnormal Findings on Scans of Other Specific Body Structures
- Unusual Scan Results (Other Body Parts)
- Atypical Imaging Findings (Other)
- Abnormal X-ray/MRI/CT (Other)
ICD-10 Codes:
- R9389: Abnormal findings on diagnostic imaging of other specified body structures
What procedures does a Diagnostic Radiologist like Dr. Klein typically perform?
As a Diagnostic Radiologist, Dr. Klein performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Klein. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Ultrasound-Guided Fine Needle Biopsy
- Biopsy
- Ultrasound
- FNA Biopsy with Ultrasound
- Image-Guided Biopsy
- Fine Needle Aspiration
- First Lesion Biopsy
CPT Codes:
- 10005: Fine needle aspiration biopsy, including ultrasound guidance; first lesion
Also known as:
- Bone Marrow Biopsy and Aspiration
- Biopsy
- Bone Marrow Tests
- Bone Marrow Exam
- Bone Marrow Sample Collection
- Diagnostic Bone Marrow Procedure
CPT Codes:
- 38222: Diagnostic bone marrow; biopsy(ies) and aspiration(s)
Does Dr. Klein accept my insurance?
Dr. Klein accepts most major insurance plans. Important: Please call our office at (203) 276-4311 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Klein accept in Norwalk, CT?
Dr. Klein in Norwalk, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Medicare
State of Connecticut
UMR Administered Payer
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Klein's office located?

Norwalk Radiology Consultants
148 East Avenue, Suite 1M
Norwalk, CT 06851
(203) 276-4311
What is Dr. Klein's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Klein's National Provider Identifier (NPI) number is 1427021021.
What common questions do patients ask about Dr. Klein?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Klein
What is Dr. David Klein's specialty?
Dr. Klein is a Diagnostic Radiologist near Norwalk, CT.
What does a Diagnostic Radiologist do?
A radiologist is a medical doctor who specializes in using imaging technologies to diagnose, manage, and treat various medical conditions. Radiologists typically focus on Diagnostic Radiology, Interventional Radiology, or Radiation Oncology, and may also obtain certifications in a range of subspecialties, such as neuroradiology, musculoskeletal radiology, or pediatric radiology. Additionally, board certifications are available in Medical Physics, which ensures the safe and effective use of radiation in imaging and treatment. Radiologists collaborate with other healthcare professionals to interpret imaging results and help guide patient care decisions.
Is this Dr. David Klein affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Klein is affiliated with Norwalk Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Diagnostic Radiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Diagnostic Radiologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is David Klein accepting new patients in Norwalk, CT?
Yes, Dr. David Klein is accepting new patients at this time.
Does Dr. David Klein offer online booking?
Please contact Dr. Klein's office at (203) 276-4311 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with David Klein?
Please contact Dr. Klein's office at (203) 276-4311 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. David Klein have?
Dr. David Klein is certified by the American Board of Radiology.
Other Diagnostic Radiologist Near Norwalk, CT

Dr. Steven Bernstein, MD is a Diagnostic Radiologist, who primarily practices in Norwalk, CT. He is board certified.

Dr. James Bauman, MD is a Diagnostic Radiologist, who primarily practices in Norwalk, CT. He has been practicing for over 39 years and is board certified.

Dr. Elizabeth Gaary, MD is a Diagnostic Radiologist, who primarily practices in Norwalk, CT. She is board certified.
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