Dr. William G. Espar
- Gender: Male
- Sole propriator: No
- NPI: 1952396855
Dr. William G. Espar JR. M.D.
Cardiologist
He is located at 3500 Franciscan Way Suite 400 in Michigan City, IN 46360. Can help patients with the following: Constipation, Hyponatremia, Mitral Valve Prolapse (MVP), Nausea and Vomiting, Peptic Ulcer, Thoracic Outlet Syndrome (TOS). His National Provider Identifier (NPI) number is 1952396855. Appointment can be made via the phone number (219) 878-8200. He is affiliated with 2 practices and 1 hospitals.
Conditions treated
Dr. William George Espar, 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. William G. Espar.
- Abdominal Aortic Aneurysm (AAA)
- Abdominal Pain
- Achalasia
- Acute Pain
- Amyloidosis
- Anemia
- Angina
- Aortic Dissection
- 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
- Cerebral Aneurysm
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Venous Insufficiency
- Collapsed Lung
- 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
- Kidney Dysplasia
- MRI
- 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)
- Pregnancy
- Premature Ventricular Contraction (PVC)
- Prenatal Care
- Prescription Refill
- Pulmonary Edema
- Pulmonary Embolism (PE)
- Pulmonary Hypertension (PH)
- Renal Vascular Disease
- Rheumatic Fever
- Rheumatic Heart Disease
- Stroke
- Thoracic Outlet Syndrome (TOS)
- Urethritis
- Urinary Tract Infection (UTI)
- Ventricular Fibrillation
- Ventricular Septal Defect (VSD)
- Wolff-Parkinson-White Syndrome (WPW)
- Women's Health
Procedures Performed by Dr. William G. Espar
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William G. Espar as in-network for the following 2026 plans.
Health plans
Ambetter Health
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 10 plans from Ambetter Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete Gold | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Elite Gold | HMO · Gold | Preferred | Accepting new patients |
| Elite Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Focused Silver | HMO · Silver | Preferred | Accepting new patients |
| Focused Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
CareSource
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 22 plans from CareSource
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze 7500 $25 Generic Drugs | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Diabetes Gold 3000 $0 Chronic Care Drugs & Services | HMO · Gold | Preferred | Accepting new patients |
| Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness | HMO · Gold | Preferred | Accepting new patients |
| Diabetes Silver 5000 $0 Chronic Care Drugs & Services | HMO · Silver | Preferred | Accepting new patients |
| Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness | HMO · Silver | Preferred | Accepting new patients |
| Gold 2000 $15 Generic Drugs | HMO · Gold | Preferred | Accepting new patients |
| Gold 2000 $15 Generic Drugs + Adult Vision & Fitness | HMO · Gold | Preferred | Accepting new patients |
| HDHP Preventive Silver 5500 $0 Chronic Care Drugs | HMO · Silver | Preferred | Accepting new patients |
| Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services | HMO · Gold | Preferred | Accepting new patients |
| Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness | HMO · Gold | Preferred | Accepting new patients |
| Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services | HMO · Silver | Preferred | Accepting new patients |
| Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness | HMO · Silver | Preferred | Accepting new patients |
| HSA Eligible Bronze 6000 | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Low Premium Bronze 10600 $25 Generic Drugs | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Low Premium Silver 6200 $3 Generic Drugs | HMO · Silver | Preferred | Accepting new patients |
| Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness | HMO · Silver | Preferred | Accepting new patients |
| Platinum Zero $5 Generic Drugs | HMO · Platinum | Preferred | Accepting new patients |
| Platinum Zero $5 Generic Drugs + Adult Vision & Fitness | HMO · Platinum | Preferred | Accepting new patients |
| Silver 6000 $20 Generic Drugs | HMO · Silver | Preferred | Accepting new patients |
| Silver 6000 $20 Generic Drugs + Adult Vision & Fitness | HMO · Silver | 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. William G. Espar is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. William G. Espar is enrolled to bill Medicare as a Practitioner - Cardiovascular Disease (cardiology) (also registered under: Practitioner - Internal Medicine, Practitioner - Cardiac Surgery) .
Bills through: Franciscan Physician Network
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Janssen | $755 |
| Novartis | $734 |
| Sanofi | $527 |
Other
| Food and Beverage | $5617 |
Studies
Additional Specialities
- Cardiothoracic Surgeon
- Diagnostic Ultrasound Radiologist
- Internist
Looking for more Cardiologists?
There are 6 other cardiologists in this region.
- Gender: Male
- Address: 10010 Don South Powers Drive Munster, 46321, IN
- Gender: Male
- Address: 3500 Franciscan Way Michigan City, 46360, IN
- Gender: Male
- Address: 1507 Wabash Street Michigan City, 46360, IN
- Gender: Male
- Address: 5800 Broadway Merrillville, 46410, IN
- Gender: Male
- Address: 801 South Washington Street Floor 4 Naperville, 60540, IL
- Gender: Male
- Address: 5 Kish Hospital Drive Suite 103 Dekalb, 60115, IL
Questions & Answers
Has Dr. William George Espar affiliation with hospitals?
Dr. William George Espar is affiliated with FRANCISCAN ST ANTHONY HEALTH - MICHIGAN CITY.
Does Dr. William George Espar accept patients with Ambetter Health?
Yes, Dr. William George Espar is listed in-network for Ambetter Health through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. William George Espar?
Dr. William George Espar's office is located at 3500 Franciscan Way Suite 400 in Michigan City, IN 46360.
Does Dr. William George Espar have affiliation with practices?
Dr. William George Espar is affiliated with Leap Rehabilitation & Sports. For the full list of practices see this list.
What conditions does Dr. William George Espar treat?
Dr. William George Espar provides treatment for Constipation, Hyponatremia, Mitral Valve Prolapse (MVP), Nausea and Vomiting, Peptic Ulcer, Thoracic Outlet Syndrome (TOS). For the full list see this list.