See All Cardiologists in North Chelmsford, MA
Dr. Nathan Riddell, MD
Cardiology* Age 44
Dr. Nathan Riddell, MD
Dr. Nathan Riddell, MD is a Cardiologist in North Chelmsford, MA.
Dr. Nathan Riddell, MD

Dr. Nathan Riddell, MD

Cardiology* Age 44
North Chelmsford, MA
Accepting new patients
Dr. Nathan Riddell, MD is a Cardiologist in North Chelmsford, MA.
Brought to you by
Be the first to review this provider!
Have you seen Dr. Nathan Riddell, MD?

About Dr. Nathan Riddell, MD

Dr. Riddell graduated from St. George's University Medical School and completed a residency at University of Massachusetts - Internal Medicine. Dr. Nathan Riddell, MD is a Cardiologist in North Chelmsford, MA. Dr. Riddell currently practices at Merrimack Valley Cardiology Associates – Chelmsford and is affiliated with Lowell General Hospital. Dr. Riddell has experience treating conditions like Aortic Stenosis, Heart Attack (Acute Myocardial Infarction), Heart Attack (NSTEMI) and Acute Coronary Syndrome among other conditions at varying frequencies. Dr. Riddell's office accepts new patients. Dr. Riddell is board certified in Cardiovascular Disease and accepts multiple insurance plans.

Experience and Background Check

Aortic Stenosis
Heart Attack (Acute Myocardial Infarction)
Heart Attack (NSTEMI)
Heart Attack (Acute Myocardial Infarction)
Aortic Stenosis
Heart Attack (Acute Myocardial Infarction)
Heart Attack (NSTEMI)
Acute Coronary Syndrome
Coronary Angioplasty, Atherectomy and Stent
Aortic Valve Disease
Cardiac Catheterization (incl. Coronary Angiography)
Peripheral Vascular Disease (PAD, PVD)
Cardiomegaly
Heart Attack (STEMI)
Acute Congestive Heart Failure
Electrocardiogram (EKG)
Tilt_Testing
Vascular Duplex Ultrasonography and Plethysmography
Sinus Bradycardia
Pulmonary Valve Disease
Chest Pain
Nonrheumatic Tricuspid Disease
Heart Disease
Coronary Artery Disease (CAD)
Heart Valve Disorders
Percutaneous Coronary Intervention (PCI)
Cardiac Ultrasound
Atherosclerosis
Hypertensive Heart with Failure
Arrhythmias
Mitral Valve Regurgitation
Hypertensive Heart Disease
Peripheral Arterial Disease of Extremities
Non-Coronary Angioplasty, Atherectomy, and Stenting
Wolff-Parkinson-White Pattern
Hypertension
Congestive Heart Failure
Pericardial Disease
Pulmonary Hypertension
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
Hypertensive Heart and Chronic Kidney Disease
Chronic Congestive Heart Failure
Aortic Valve Regurgitation
Tricuspid Valve Disease
Mitral Valve Disease
Systolic Heart Failure
Atrial Fibrillation
Peripheral Artery Catheterization
Cardiomyopathy
Aortic Ectasia
Hyperlipidemia
Hypertensive Heart without Failure
Atrial Flutter
Paroxysmal Atrial Fibrillation
Heart Murmur
Sinus Tachycardia
Lipid Disorders
Hypokalemia
Chest CT (incl. Heart and Lungs)
Mitral Valve Stenosis
Ventricular Tachycardia (VT)
Mitral Valve Prolapse
Heart Palpitations
Syncope
  • View other providers who treat Syncope
Carotid Artery Disease
Valve Repair or Replacement (Aortic, Mitral, Tricuspid, and Pulmonary)
Aortic Valve Surgery
Rheumatic Mitral Stenosis
Hypertensive Chronic Kidney Disease
Transcatheter Aortic Valve Replacement/Implantation (TAVR/TAVI)
Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair
Peripheral Edema
Aortic Aneurysm
Typical Atrial Flutter
Third Degree Heart Block
Cardioversion, Elective
Sick Sinus Syndrome
Mitral and Aortic Valve Disorder
Acute Deep Vein Thrombosis (DVT)
Acute Endocarditis
Acute Venous Embolism Thrombosis
Alcoholic Cardiomyopathy
Aneurysm
  • View other providers who treat Aneurysm
Angina
  • View other providers who treat Angina
Aortic Dissection
Aortic Embolism and Thrombosis
Aortopulmonary Septal Defect
Atherosclerosis of Aorta
Atrial Septal Defect
Biventricular Heart Failure
Cardiac Tamponade
Cardiomyopathy, Dilated
Cardiomyopathy, Hypertrophic
Cardiomyopathy, Restrictive
Cardiovascular Disease
Chronic Deep Vein Thrombosis (DVT)
Chronic Thromboembolic Pulmonary Hypertension
Chronic Venous Embolism Thrombosis
Congenital Aortic Valve Disorders
Congenital Heart Defects
Congenital Heart Disease
Coronary Artery Aneurysm
Coronary Artery Dissection
Coronary Vessel Malformation
Deep Vein Thrombosis (DVT)
Ehlers-Danlos Syndrome
Endocarditis
First Degree Heart Block
Hyperkalemia
Hypotension
Hypotension (Excluding Maternal)
Infective Endocarditis
Kawasaki Disease
Limb Swelling
Long QT Syndrome
Marfan Syndrome
Muscular Dystrophy (MD)
Noninfective Endocarditis
Nonrheumatic Mitral Stenosis
Orthostatic Hypotension
Patent Foramen Ovale (PFO)
Pericarditis
Peripheral Artery Disease
Primary Pulmonary Hypertension
Prinzmetal Angina
Pulmonary Edema
Pulmonary Venous Return Anomaly
Rheumatic Aortic Valve Disorders
Rheumatic Tricuspid Disease
Scleroderma
Second Degree Heart Block
Secondary Hypertension
Septal Defect
Subacute Endocarditis
Supraventricular Tachycardia
Systemic Vasculitis
Type 2 Heart Block - Mobitz
Unstable Angina
Ventricular Fibrillation
Ventricular Septal Defect
Vitamin D Deficiency
Arrhythmia Screening
Arterial Blood Gas Test (ABG)
Automatic Implantable Cardioverter Defibrillator (ICD) Implantation
Cardiac Imaging
Cardiac MRI (Magnetic Resonance Imaging) of Heart or Chest
Cardiac Myocardial Perfusion Imaging
Cardiovascular Diagnostic Test
Cardiovascular Stress Test
Chest Pain Evaluation
Cholesterol Screening
Coronary Angiogram
Coronary Thrombectomy
Dobutamine Thallium Stress Test
HeartAware Online Risk Screening
Immunization Administration
Impella Device
Nuclear Stress Testing
Peripheral Arterial Disease Screening (PAD)
Pharmacologic Nuclear Stress Test
Pharmacologic Stress Test, Adenosine
Pulmonary Thrombectomy
Stress Test
Structural Heart Disease Evaluations and Treatment
TCD Bubble Test
Thoracentesis
Thrombolysis
Tilt Table Testing
Treadmill Stress Test

What Patients Say

Be the first to leave a review

How likely are you to recommend Dr. Riddell?

(Select your rating)
See more reviews on Healthgrades

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Tufts PPO
  • MultiPlan PPO
  • First Health (Coventry Health Care) PPO
  • LocalPlus
    Cigna
  • Blue Card PPO
  • HealthyBlue Advantage
    HealthyBlue 2.0
  • Curative PPO Plus
    Curative EPO
    Curative PPO
  • National (BlueCard) PPO
  • Preferred Blue PPO

Meet Dr. Nathan Riddell, MD

Biography
  • Dr. Nathan Riddell, MD is a cardiologist in North Chelmsford, MA. He specializes in Cardiology and Interventional Cardiology.
Biography
Specialties*
Cardiology
Interventional Cardiology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Training & Medical Education
Medical Education
  • St. George's University Medical School
Medical Education
Board Certifications
  • Cardiovascular Disease, Internal Medicine and Interventional Cardiology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Internship
  • University of Massachusetts - Internal Medicine
Internship
Residency Hospital
  • University of Massachusetts - Internal Medicine
Residency Hospital
Fellowship Hospital
  • St. Elizabeth Medical Center - Cardiovascular Disease
Fellowship Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Riddell communicate via email?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Riddell offer telehealth services or virtual visits?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Riddell offer an online patient portal?
1 user said yes.
Yes
(1)
No
(0)
Does Dr. Riddell have free onsite parking?
1 user said yes.
Yes
(1)
No
(0)
Does Dr. Riddell offer weekend visits?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Riddell offer evening visits?
No users said yes.
Yes
(0)
No
(1)
Does Dr. Riddell specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Riddell specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Riddell specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Riddell specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Riddell accept insurance?
No responses yet.
Yes
(0)
No
(0)

FAQs About Dr. Riddell's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Nathan Riddell, MD. To arrange an appointment, call the number on Dr. Riddell's profile.

Dr. Riddell frequently treats the following conditions: Aortic Stenosis, Heart Attack (Acute Myocardial Infarction), Heart Attack (NSTEMI) and Acute Coronary Syndrome. See more on Sharecare.

Dr. Nathan Riddell, MD is affiliated with Lowell General Hospital.

Yes, Dr. Nathan Riddell, MD holds board certification in Cardiovascular Disease, Internal Medicine and Interventional Cardiology.

Hospitals Where Dr. Nathan Riddell, MD Practices

  • Lowell General Hospital

    295 Varnum Ave, Lowell, MA

Explore More Providers

Dr. Nathan Riddell, MD

Dr. Nathan Riddell, MD

(0)

Make an appointment

Brought to you by and on staff at Logo: