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Dr. John Costello, DO
Cardiology* Age 41
Dr. John Costello, DO
5.0 (2 Ratings)
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Dr. John Costello, DO is a Cardiologist in Haddon Heights, NJ.
Dr. John Costello, DO
5.0 (2 Ratings)
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Dr. John Costello, DO

Cardiology* Age 41
Haddon Heights, NJ
Accepting new patients
14 years of experience
Dr. John Costello, DO is a Cardiologist in Haddon Heights, NJ.

About

Dr. Costello graduated from PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE in 2012 and completed a residency at PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE. Dr. John Costello, DO is a Cardiologist in Haddon Heights, NJ and has 14 years experience. Dr. Costello currently practices at Practice and is affiliated with Thomas Jefferson University Hospital, Cooper University Hospital, Virtua Our Lady of Lourdes Hospital and Inspira Medical Center Vineland. Dr. Costello has experience treating conditions like Sinus Bradycardia, Hypertensive Heart Disease, Atrial Flutter, Ventricular Tachycardia (VT), Cardiomyopathy, Dilated, Hypertensive Heart without Failure, Ventricular Fibrillation, Arrhythmias, Paroxysmal Atrial Fibrillation, Atrial Fibrillation, Cardiomyopathy, Acute Congestive Heart Failure, Hypertensive Heart and Chronic Kidney Disease, Sinus Tachycardia, Heart Attack (Acute Myocardial Infarction), Congestive Heart Failure, Typical Atrial Flutter, Supraventricular Tachycardia, Third Degree Heart Block and Sick Sinus Syndrome among other conditions at varying frequencies. At present, Dr. Costello received an average rating of 5.0/5 from patients and has been reviewed 2 times. Dr. Costello's office accepts new patients. Dr. Costello is board certified in Cardiology and accepts multiple insurance plans.

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Experience Check

Enter a condition or procedure
Sinus Bradycardia
Hypertensive Heart Disease
Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair
Sinus Bradycardia
Hypertensive Heart Disease
Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair
Sinus Bradycardia
Hypertensive Heart Disease
Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair
Atrial Flutter
Ventricular Tachycardia (VT)
Cardiomyopathy, Dilated
Insertion of Left Ventricular Lead for Pacemaker or Cardioverter and Defibrillator
Hypertensive Heart without Failure
Ventricular Fibrillation
Arrhythmias
Paroxysmal Atrial Fibrillation
Atrial Fibrillation
Cardiomyopathy
Acute Congestive Heart Failure
Hypertensive Heart and Chronic Kidney Disease
Sinus Tachycardia
Heart Attack (Acute Myocardial Infarction)
Congestive Heart Failure
Typical Atrial Flutter
Supraventricular Tachycardia
Third Degree Heart Block
Sick Sinus Syndrome
Automatic Implantable Cardioverter Defibrillator (ICD) Implantation
Heart Disease
Systolic Heart Failure
Atypical Atrial Flutter
Heart Palpitations
Hyperlipidemia
Syncope
  • View other providers who treat Syncope
Hypertension
Electrophysiological Study
Rheumatic Tricuspid Disease
Hypertensive Heart with Failure
Lipid Disorders
Chest Pain
Ablation for Cardiac Arrhythmias
Chronic Congestive Heart Failure
Peripheral Vascular Disease (PAD, PVD)
Peripheral Edema
Tilt_Testing
Electrocardiogram (EKG)
Vascular Duplex Ultrasonography and Plethysmography
Coronary Artery Disease (CAD)
Second Degree Heart Block
Hypotension
Type 2 Heart Block - Mobitz
Atherosclerosis
Mitral Valve Regurgitation
Pulmonary Hypertension
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
Hypotension (Excluding Maternal)
Heart Attack (NSTEMI)
Hypertensive Chronic Kidney Disease
Cardiac Ultrasound
Mitral Valve Disease
Heart Valve Disorders
Orthostatic Hypotension
Tricuspid Valve Disease
Aortic Stenosis
Peripheral Arterial Disease of Extremities
Aortic Valve Disease
Acute Coronary Syndrome
Long QT Syndrome
Carotid Artery Disease
Aortic Valve Regurgitation
Hypokalemia
Angina
  • View other providers who treat Angina
Hyperkalemia
Aortic Aneurysm
Heart Murmur
Cardioversion, Elective
Cardiomyopathy, Hypertrophic
Cardiac Catheterization (incl. Coronary Angiography)
Congenital Heart Defects
First Degree Heart Block
Nonrheumatic Tricuspid Disease
Mitral Valve Prolapse
Heart Attack (STEMI)
Pericardial Disease
Primary Pulmonary Hypertension
Deep Vein Thrombosis (DVT)
Atrial Septal Defect
Atherosclerosis of Aorta
Abdominal Aortic Aneurysm (AAA)
Acute Deep Vein Thrombosis (DVT)
Acute Endocarditis
Acute Venous Embolism Thrombosis
Alcoholic Cardiomyopathy
Allergic Rhinitis
Anemia
  • View other providers who treat Anemia
Animal Allergies
Aortic Dissection
Aortic Ectasia
Aortic Embolism and Thrombosis
Asthma
  • View other providers who treat Asthma
Benign Heart Tumors
Biventricular Heart Failure
Cardiac Sarcoidosis
Cardiomegaly
Chronic Deep Vein Thrombosis (DVT)
Chronic Venous Embolism Thrombosis
Congenital Aortic Valve Disorders
Constrictive Pericarditis
COPD (Chronic Obstructive Pulmonary Disease)
Coronary Artery Aneurysm
Coronary Artery Dissection
Diabetes
  • View other providers who treat Diabetes
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Dyslipidemia
Ehlers-Danlos Syndrome
Endocarditis
Enlarged Prostate (BPH)
Gastroesophageal Reflux Disease (GERD)
Granulomatosis
Hypothyroidism
Idiopathic Hypotension
Infective Endocarditis
Irritable Bowel Syndrome
Limb Swelling
Limb Swelling Caused by Fluid Overload
Long COVID Disorder
Median Arcuate Ligament Syndrome (MALS)
Mitral and Aortic Valve Disorder
Mitral Valve Stenosis
Muscular Dystrophy (MD)
Noninfective Endocarditis
Nonrheumatic Mitral Stenosis
Obesity
  • View other providers who treat Obesity
Overweight
Patent Ductus Arteriosus
Patent Foramen Ovale (PFO)
Pericarditis
Polyneuropathy
Postural Orthostatic Tachycardia Syndrome
Prinzmetal Angina
Pulmonary Edema
Pulmonary Insufficiency
Pulmonary Valve Disease
Rheumatic Aortic Valve Disorders
Rheumatic Mitral Stenosis
Scleroderma
Septal Defect
Septic Embolism
Shortness of Breath
Sleep Apnea
Subacute Endocarditis
Systemic Vasculitis
Thoracoabdominal Aortic Aneurysm
Tobacco Use Disorder
Unstable Angina
Venous Compression
Ventricular Septal Defect
Vitamin D Deficiency
Wheezing
  • View other providers who treat Wheezing
Wolff-Parkinson-White Pattern
Cardiac MRI (Magnetic Resonance Imaging) of Heart or Chest
Cardiac Myocardial Perfusion Imaging
Chest CT (incl. Heart and Lungs)
Coronary Angioplasty, Atherectomy and Stent
Peripheral Artery Catheterization
Pulmonary Valve Graft
Thoracentesis

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • First Health (Coventry Health Care) PPO
  • Navigate Plus POS
    Choice Plus POS
    Options PPO
    Navigate HMO
  • BCBS PPO
  • HealthyBlue Advantage
  • Keystone HMO-POS
  • BlueCard PPO
  • OMNIA HMO
    Direct Access PPO
    Horizon Blue Cross Blue Shield POS
    OMNIA - Tier2 EPO
    Horizon Blue Cross Blue Shield HMO
    Horizon Blue Cross Blue Shield PPO
  • Local Value Network POS Plus
    Hospital Advantage EPO
    Personal Choice PPO
    Regional Preferred POS Plus
  • APCN Open Access Aetna Select
    Elect Choice (Open Access) EPO
    Premier Care Network Plus - Innovation Health
    Choice Plus POS II
    Select
    Aetna HMO
    AWH NJ Choice MultiTier - Maximum Savings
    Open Choice PPO
    AWH NJ Choice MultiTier POS II
    Managed Choice (Open Access) POS
    APCN Choice POS II
  • Liberty
    Freedom
  • MagnaCare PPO
  • Cigna PPO
    Cigna HMO
    Open Access Plus
  • MVP Health Plan EPO

Locations

  1. 1 Cardiovascular Associates of the Delaware Valley P A
    210 W Atlantic Ave, Haddon Heights, NJ 08035
    Icon Directions Right Arrow Directions Phone Icon (856) 546-3003
    Monday
    07:45 - 17:00
    Tuesday
    07:45 - 17:00
    Wednesday
    07:45 - 17:00
    Thursday
    07:45 - 17:00
    Friday
    07:45 - 17:00
    Saturday
    Closed
    Sunday
    Closed
  2. 2 Office
    1051 W Sherman Ave Bldg 3, Vineland, NJ 08360
    Icon Directions Right Arrow Directions Phone Icon (856) 293-7466
  3. 3 Office
    999 Route 73 N Ste 205, Marlton, NJ 08053
    Icon Directions Right Arrow Directions Phone Icon (856) 795-2227
  4. 4 Office
    525 State St Ste 3, Elmer, NJ 08318
    Icon Directions Right Arrow Directions Phone Icon (856) 358-2363

Patient Satisfaction

Likelihood to recommend Dr. Costello
5.0
Based on 2 Reviews
5 Stars (2)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

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Patient Reviews
Oct 10, 2025
First visit with Dr. Costello. He is friendly and knowledgeable. He is thorough and explains everything, as well as open to answer any questions. The staff here also very pleasant.
— Oct 10, 2025
See more reviews on Healthgrades
Photo: Dr. John Costello, DO
How would you rate your experience with Dr. John Costello, DO?
  • Likelihood of recommending Dr. Costello to family and friends

Dr. Costello's Office & Staff

  • Ease of scheduling urgent appointments
  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. Costello

  • Level of trust in provider's decisions
  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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About Me

Specialties*
Cardiology
Clinical Cardiac Electrophysiology
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.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Costello communicate via email?
4 users said yes.
Yes
(4)
No
(2)
Does Dr. Costello offer telehealth services or virtual visits?
5 users said yes.
Yes
(5)
No
(2)
Does Dr. Costello offer an online patient portal?
7 users said yes.
Yes
(7)
No
(1)
Does Dr. Costello have free onsite parking?
12 users said yes.
Yes
(12)
No
(0)
Does Dr. Costello offer weekend visits?
4 users said yes.
Yes
(4)
No
(2)
Does Dr. Costello offer evening visits?
5 users said yes.
Yes
(5)
No
(1)
Does Dr. Costello specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Costello specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Costello specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Costello specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Costello accept insurance?
No responses yet.
Yes
(0)
No
(0)

Frequently Asked Questions

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. John Costello, DO. To arrange an appointment, call the number on Dr. Costello's profile.

Dr. Costello frequently treats the following conditions: Sinus Bradycardia, Hypertensive Heart Disease, Atrial Flutter, Ventricular Tachycardia (VT), Cardiomyopathy, Dilated, Hypertensive Heart without Failure, Ventricular Fibrillation, Arrhythmias, Paroxysmal Atrial Fibrillation, Atrial Fibrillation, Cardiomyopathy, Acute Congestive Heart Failure, Hypertensive Heart and Chronic Kidney Disease, Sinus Tachycardia, Heart Attack (Acute Myocardial Infarction), Congestive Heart Failure, Typical Atrial Flutter, Supraventricular Tachycardia, Third Degree Heart Block and Sick Sinus Syndrome. See more on Sharecare.

Dr. John Costello, DO is affiliated with Thomas Jefferson University Hospital, Cooper University Hospital, Virtua Our Lady of Lourdes Hospital and Inspira Medical Center Vineland.

Yes, Dr. John Costello, DO holds board certification in Cardiology, Clinical Cardiac Electrophysiology and Internal Medicine.

Education
Medical Education
  • PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
    2012
Medical Education
Board Certifications
  • Cardiology, Clinical Cardiac Electrophysiology and Internal Medicine
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
  • PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Internship
Residency Hospital
  • PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Residency Hospital
Fellowship Hospital
  • Georgetown University Hospital
Fellowship Hospital

Hospital Affiliations

  • Thomas Jefferson University Hospital

    111 S 11th St, Philadelphia, PA

  • Cooper University Hospital

    1 Cooper Plz, Camden, NJ

  • Virtua Our Lady of Lourdes Hospital

    1600 Haddon Ave, Camden, NJ

  • Inspira Medical Center Vineland

    1505 W Sherman Ave, Vineland, NJ

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