Expertise in
2
conditions

Dr. John G. Harold

Cardiology
Jay N. Schapira M D Inc. A Professional Corp.
8635 W 3rd St Ste 750W, 
Los Angeles, CA 
Accepting New Patients
Referral may be required
Before you request
Expertise in
2
conditions
Jay N. Schapira M D Inc. A Professional Corp.
8635 W 3rd St Ste 750W, 
Los Angeles, CA 

Overview

John Harold is a Cardiologist practicing medicine in Los Angeles, California.

Dr. Harold is highly rated in 2 conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Failure, and Hypertension.

He is actively involved in clinical research, co-authoring 48 peer reviewed articles. Dr. Harold is currently accepting new patients.

Specialties

Cardiology

Licenses

Internal Medicine in CA

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Health Net

Accepted plan types not found. Please verify directly with the provider.

HMSA
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 7 Less Insurance Carriers -

Locations

Jay N. Schapira M D Inc. A Professional Corp.
8635 W 3rd St Ste 750W, Los Angeles, CA 90048

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

47 Total Publications

Psychotherapy vs antidepressants in heart failure: Impact of adherence.
Psychotherapy vs antidepressants in heart failure: Impact of adherence.
Journal: Journal of affective disorders
Published: April 13, 2026
Similar Doctors
Expertise in
39
conditions
Expertise in
39
conditions
Referral may be required
Before you request

Office

100 Medical Plz E Ste 630, 
Los Angeles, CA 
 (4.1 miles away)
310-825-8816
Languages Spoken:
English
See accepted insurances
Accepting New Patients
Offers Telehealth

Gregg Fonarow is a Cardiologist practicing medicine in Los Angeles, California. Dr. Fonarow is highly rated in 39 conditions, according to our data. His clinical expertise encompasses Heart Failure, Heart Attack, Atrial Fibrillation, Percutaneous Coronary Intervention (PCI), and Thrombectomy. Dr. Fonarow is currently accepting new patients.

Expertise in
36
conditions
Expertise in
36
conditions
Referral may be required
Before you request

Cedars-Sinai Electrophysiology Program

127 S San Vicente Blvd Ste A3600, 
Los Angeles,, CA 
 (0.1 miles away)
310-423-3851
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Robert Siegel is a Cardiologist practicing medicine in Los Angeles,, California. Dr. Siegel is highly rated in 36 conditions, according to our data. His clinical expertise encompasses Mitral Valve Regurgitation, Aortic Regurgitation, Atrial Septal Defect (ASD), Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Siegel is currently accepting new patients.

Expertise in
29
conditions
Expertise in
29
conditions
Referral may be required
Before you request

Office

8536 Wilshire Blvd, 
Beverly Hills,, CA 
 (0.6 miles away)
310-248-8300
Languages Spoken:
English
See accepted insurances
Accepting New Patients
Offers Telehealth

Michelle Kittleson is a Cardiologist practicing medicine in Beverly Hills,, California. Dr. Kittleson is highly rated in 29 conditions, according to our data. Her clinical expertise encompasses Heart Failure, Cardiomyopathy, Cardiac Amyloidosis, Heart Transplant, and Stent Placement. Dr. Kittleson is currently accepting new patients.

Frequently Asked Questions about Dr. John G. Harold

How do I make an appointment with Dr. John G. Harold?

You can book an appointment with Dr. John G. Harold by calling their office at 310-659-2030. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. John G. Harold a top-rated expert for Coronary Heart Disease?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. John G. Harold is classified as an Advanced expert for Coronary Heart Disease, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. John G. Harold specialize in?

While Dr. John G. Harold is a Cardiology, they have specific expertise in Coronary Heart Disease, Heart Failure with Preserved Ejection Fraction (HFpEF), and Heart Failure. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Cardiology.

Does Dr. John G. Harold participate in research or clinical trials?

Yes. Dr. John G. Harold has published 47 articles and abstracts on conditions like Coronary Heart Disease. You can view a list of Dr. John G. Harold's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. John G. Harold accept my insurance?

Dr. John G. Harold accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 310-659-2030 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Harold's expertise for a condition
ConditionClose
      View All 26 Experienced Conditions
      Want to save this doctor for later?
      Sign Up
      Is this your doctor?
      Find A Second Opinion
      Not sure about your diagnosis?
      Check Your Symptoms
       
       
       
       
      Learn about our expert tiers
      Learn More
      Are you the provider on this profile?
      Claim Profile