Dr. Nathan E. Riddell
Dr. Nathan E. Riddell
Last updated: Dec 8, 2025

Dr. Nathan E. Riddell

  • Gender: Male
  • Experience: 8 years
  • Graduation year: 2013
  • Sole propriator: No
  • NPI: 1245670983

Dr. Nathan E. Riddell M.D.

Cardiologist

He is located at 55 Lake Avenue North in Worcester, MA 01655. Can help patients with the following: Blood Clots, Cerebral Aneurysm, Edema, Fainting, Mitral Valve Stenosis, Myocarditis. His National Provider Identifier (NPI) number is 1245670983. Appointment can be made via the phone number (508) 334-1000. He also has a website where you can get more information. The website can be found at https://www.mvcardiology.com. He is affiliated with 1 practices and 1 hospitals.

Conditions treated

Dr. Nathan E. Riddell, being an cardiologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Nathan E. Riddell.

  • Abdominal Aortic Aneurysm (AAA)
  • Amyloidosis
  • Angina
  • Aortic Stenosis
  • Arrhythmia
  • Atherosclerosis
  • Atrial Fibrillation
  • Atrial Flutter
  • Atrial Septal Defect (ASD)
  • Birth Defects
  • Blood Clots
  • Bradycardia
  • Cardiomyopathy
  • Carotid Artery Disease
  • Cerebral Aneurysm
  • Chest Pain
  • Chronic Venous Insufficiency
  • Congenital Heart Disease (CHD)
  • Congestive Heart Failure (CHF)
  • Edema
  • Endocarditis
  • Fainting
  • Heart Attack
  • Heart Disease
  • Heart Murmur
  • Heart Valve Disease
  • High Blood Pressure
  • High Cholesterol
  • Hyperlipidemia
  • May-Thurner Syndrome
  • Mitral Insufficiency
  • Mitral Valve Prolapse (MVP)
  • Mitral Valve Stenosis
  • Myocarditis
  • Orthostatic Hypotension
  • Pacemaker
  • Palpitations
  • Paroxysmal Supraventricular Tachycardia (PSVT)
  • Pericardial Tamponade
  • Pericarditis
  • Postural Orthostatic Tachycardia Syndrome (POTS)
  • Premature Ventricular Contraction (PVC)
  • Pulmonary Edema
  • Pulmonary Embolism (PE)
  • Pulmonary Hypertension (PH)
  • Renal Vascular Disease
  • Rheumatic Fever
  • Rheumatic Heart Disease
  • Stroke
  • Ventricular Fibrillation
  • Ventricular Septal Defect (VSD)
  • Wolff-Parkinson-White Syndrome (WPW)

Medicare Enrollment

Dr. Nathan E. Riddell is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Cardiovascular Disease (cardiology)) .

Bills through: Steward Medical Group Inc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Studies

Graduated in 2013

Other ways to reach out

  • Website: https://www.mvcardiology.com

Affiliated practices

Merrimack Valley Cardiology Associates, LLC
14 Research Place
North Chelmsford, 01863 MA
(978) 256-6607

Affiliated hospitals

LOWELL GENERAL HOSPITAL
295 VARNUM AVENUE
LOWELL, 1854 MA
(978) 937-6000

Looking for more Cardiologists?

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Dr. Jeffrey James Rade
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  • Address: 55 Lake Avenue North Worcester, 1655, MA
Dr. Waqas T. Qureshi
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Dr. Nikolaos Kakouros
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  • Address: 55 Lake Avenue North Worcester, 1655, MA
Dr. Theo E. Meyer
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  • Address: 55 Lake Avenue North Worcester, 1655, MA
Dr. Mohammed Waseem Akhter
  • Gender: Male
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Hanna N. Ahmed
  • Gender: Female
  • Address: 55 Lake Avenue North Worcester, 1655, MA
Dr. Marcus P. Cooper
  • Gender: Male
  • Address: 55 Lake Avenue North Worcester, 1655, MA
Dr. Alvaro Alonso Aparicio
  • Gender: Male
  • Address: 55 Lake Avenue North Worcester, 1655, MA
Dr. Craig S. Smith
  • Gender: Male
  • Address: 55 Lake Avenue North Worcester, 1655, MA
Dr. Youssef Rahban
  • Gender: Male
  • Address: 55 Lake Avenue North Worcester, 1655, MA

Questions & Answers

What conditions does Dr. Nathan E. Riddell treat?

Dr. Nathan E. Riddell provides treatment for Blood Clots, Cerebral Aneurysm, Edema, Fainting, Mitral Valve Stenosis, Myocarditis. For the full list see this list.

Where can you meet with Dr. Nathan E. Riddell?

Dr. Nathan E. Riddell's office is located at 55 Lake Avenue North in Worcester, MA 01655.

Does Dr. Nathan E. Riddell accept insurance?

Unfortunately we don't have any information if Dr. Nathan E. Riddell accepts insurance.

Does Dr. Nathan E. Riddell have affiliation with practices?

Dr. Nathan E. Riddell is affiliated with Merrimack Valley Cardiology Associates, LLC.

Has Dr. Nathan E. Riddell affiliation with hospitals?

Dr. Nathan E. Riddell is affiliated with LOWELL GENERAL HOSPITAL.