Dr. Gregory A. Ewald
Dr. Gregory A. Ewald
Last updated: Apr 17, 2025

Dr. Gregory A. Ewald

  • Gender: Male
  • Experience: 32 years
  • Graduated from: Northwestern University Feinberg Medical School
  • Graduation year: 1989
  • Sole propriator: No
  • NPI: 1073557401

Dr. Gregory A. Ewald MD

Cardiologist

He is located at 4921 Parkview Place Div Im Cardiology, Ste 8B in Saint Louis, MO 63110. Can help patients with the following: Abdominal Pain, Arthritis, Gastroesophageal Reflux Disease (GERD), General Care, High Blood Pressure, Paroxysmal Supraventricular Tachycardia (PSVT). His National Provider Identifier (NPI) number is 1073557401. Appointment can be made via the phone number (314) 362-1291. He is affiliated with 2 practices and 5 hospitals.

Conditions treated

Dr. Gregory A. Ewald, 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. Gregory A. Ewald.

  • Abdominal Aortic Aneurysm (AAA)
  • Abdominal Pain
  • Acute Pain
  • Amyloidosis
  • Anemia
  • Angina
  • Aortic Stenosis
  • Arrhythmia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Atrial Fibrillation
  • Atrial Flutter
  • Atrial Septal Defect (ASD)
  • Birth Defects
  • Bladder Control
  • Blood Clots
  • Bradycardia
  • Cardiomyopathy
  • Carotid Artery Disease
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Chronic Venous Insufficiency
  • Common Cold
  • Congenital Heart Disease (CHD)
  • Congestive Heart Failure (CHF)
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Endocarditis
  • Fainting
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Attack
  • Heart Disease
  • Heart Murmur
  • Heart Valve Disease
  • Hiatal Hernia
  • High Blood Pressure
  • High Cholesterol
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • May-Thurner Syndrome
  • Migraine
  • Mitral Insufficiency
  • Mitral Valve Prolapse (MVP)
  • Mitral Valve Stenosis
  • Myocarditis
  • Nausea and Vomiting
  • Obesity
  • Orthostatic Hypotension
  • Osteoporosis
  • Pacemaker
  • Palpitations
  • Paroxysmal Supraventricular Tachycardia (PSVT)
  • Peptic Ulcer
  • Pericardial Tamponade
  • Pericarditis
  • Postural Orthostatic Tachycardia Syndrome (POTS)
  • Premature Ventricular Contraction (PVC)
  • Prescription Refill
  • Pulmonary Edema
  • Pulmonary Embolism (PE)
  • Pulmonary Hypertension (PH)
  • Renal Vascular Disease
  • Rheumatic Fever
  • Rheumatic Heart Disease
  • Stroke
  • Urethritis
  • Urinary Tract Infection (UTI)
  • Ventricular Fibrillation
  • Ventricular Septal Defect (VSD)
  • Wolff-Parkinson-White Syndrome (WPW)

Procedures Performed by Dr. Gregory A. Ewald

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Gregory A. Ewald as in-network for the following 2026 plans.

Health plans

Cox HealthPlans

Network data as of Sep 11, 2026, as reported by the insurer.

Show all 7 plans from Cox HealthPlans
Cox HealthPlans plans
Plan Plan type Network tier New patients
Cox HealthPlans Bronze Expanded Standard EPO · Expanded Bronze EPO Accepting new patients
Cox HealthPlans Bronze Preferred EPO · Bronze EPO Accepting new patients
Cox HealthPlans Gold Preferred EPO · Gold EPO Accepting new patients
Cox HealthPlans Gold Standard EPO · Gold EPO Accepting new patients
Cox HealthPlans Silver Connect EPO · Silver EPO Accepting new patients
Cox HealthPlans Silver Preferred EPO · Silver EPO Accepting new patients
Cox HealthPlans Silver Standard EPO · Silver EPO Accepting new patients

UnitedHealthcare

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 13 plans from UnitedHealthcare
UnitedHealthcare plans
Plan Plan type Network tier New patients
UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) EPO · Expanded Bronze Non Preferred Accepting new patients
UHC Bronze Essential (No Referrals) EPO · Bronze Non Preferred Accepting new patients
UHC Bronze Standard (No Referrals) EPO · Expanded Bronze Non Preferred Accepting new patients
UHC Bronze Standard+ (Dental + Vision, No Referrals) EPO · Expanded Bronze Non Preferred Accepting new patients
UHC Gold Advantage ($0 Virtual Urgent Care, No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Gold Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Gold Standard (No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Silver Advantage ($0 Virtual Urgent Care, No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Standard (No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Standard+ (Dental + Vision, No Referrals) EPO · Silver Non Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Gregory A. Ewald is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Gregory A. Ewald is enrolled to bill Medicare as a Practitioner - Advanced Heart Failure And Transplant Cardiology (also registered under: Practitioner - Internal Medicine, Practitioner - Cardiovascular Disease (cardiology)) .

Bills through: Washington University

Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Abbott Laboratories $11063
Thoratec $8548
Heartware $6817

Other

Food and Beverage $13714
Travel and Lodging $13458
Consulting $6279
Promotional Speaking or Service $1500
Other $66

Studies

NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL

Graduated in 1989

Additional Specialities

  • Internist

Affiliated practices

Cohen Eye Associates, Limited
4921 Parkview Place
St. Louis, 63110 MO
(314) 361-5003
Heart Care Institute (Hci) Ambulatory Services
1020 North Mason Road
Creve Coeur, 63141 MO
(314) 996-3162

Affiliated hospitals

BARNES JEWISH HOSPITAL
ONE BARNES-JEWISH HOSPITAL PLAZA
SAINT LOUIS, 63110 MO
(314) 747-3000
MERCY HOSPITAL SPRINGFIELD
1235 E CHEROKEE
SPRINGFIELD, 65804 MO
(417) 820-2000
BARNES-JEWISH WEST COUNTY HOSPITAL
12634 OLIVE BOULEVARD
CREVE COEUR, 63141 MO
(314) 996-8000
MISSOURI BAPTIST MEDICAL CENTER
3015 N BALLAS RD
TOWN AND COUNTRY, 63131 MO
(314) 996-5000
MERCY HOSPITAL LEBANON
100 HOSPITAL DRIVE
LEBANON, 65536 MO
(417) 533-6100

Looking for more Cardiologists?

Out of the 15 cardiologists in this region, here are 10 randomly selected ones for you to explore.

Dr. Jonathan Daniel Moreno
  • Gender: Male
  • Address: Div Im Cardiology, Ste 8B 4921 Parkview Place Saint Louis, 63110, MO
Dr. Shane Joseph Larue
  • Gender: Male
  • Address: 100 Medical Drive Hannibal, 63401, MO
Dr. Howard I. Kurz
  • Gender: Male
  • Address: Div Im Cardiology, Ste 8B 4921 Parkview Place Saint Louis, 63110, MO
Dr. Edward M. Geltman
  • Gender: Male
  • Address: Div Im Cardiology, Ste 8B 4921 Parkview Place Saint Louis, 63110, MO
Dr. Amit Prabhakar Amin
  • Gender: Male
  • Address: 1725 West Harrison Street Chicago, 60612, IL
Dr. Justin Marinus Vader
  • Gender: Male
  • Address: Div Im Cardiology, Ste 8B 4921 Parkview Place Saint Louis, 63110, MO
Dr. Justin C. Hartupee
  • Gender: Male
  • Address: Div Im Cardiology, Ste 8B 4921 Parkview Place Saint Louis, 63110, MO
Dr. Jasvindar Singh
  • Gender: Male
  • Address: Div Im Cardiology, Ste 100 1020 North Mason Road Saint Louis, 63141, MO
Dr. Jose Antonio Alvarez Cardona
  • Gender: Male
  • Address: 530 1st Avenue # 9N New York, 10016, NY
Dr. Daniel J. Lenihan
  • Gender: Male
  • Address: 211 Saint Francis Drive Suite 15 Cape Girardeau, 63703, MO

Questions & Answers

Does Dr. Gregory A. Ewald accept patients with Cox HealthPlans?

Yes, Dr. Gregory A. Ewald is listed in-network for Cox HealthPlans through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Has Dr. Gregory A. Ewald affiliation with hospitals?

Dr. Gregory A. Ewald is affiliated with BARNES JEWISH HOSPITAL. For the full list of hospitals see this list.

Where can you meet with Dr. Gregory A. Ewald?

Dr. Gregory A. Ewald's office is located at 4921 Parkview Place Div Im Cardiology, Ste 8B in Saint Louis, MO 63110.

Does Dr. Gregory A. Ewald have affiliation with practices?

Dr. Gregory A. Ewald is affiliated with Cohen Eye Associates, Limited. For the full list of practices see this list.

What conditions does Dr. Gregory A. Ewald treat?

Dr. Gregory A. Ewald provides treatment for Abdominal Pain, Arthritis, Gastroesophageal Reflux Disease (GERD), General Care, High Blood Pressure, Paroxysmal Supraventricular Tachycardia (PSVT). For the full list see this list.