Dr. John T. Haas

Dr. John T. Haas

  • Gender: Male
  • Experience: 41 years
  • Graduated from: Loyola University Of Chicago, Stritch School Of Medicine
  • Graduation year: 1980
  • Sole propriator: No
  • NPI: 1578511820

Dr. John T. Haas MD

Cardiac Electrophysiologist

He is located at 988102 Nebraska Medical Center in Omaha, NE 68198. Can help patients with the following: High Blood Pressure, Obesity, Peptic Ulcer, Pericarditis, Urethritis, Wolff-Parkinson-White Syndrome (WPW). His National Provider Identifier (NPI) number is 1578511820. Appointment can be made via the phone number (402) 559-8888. He is affiliated with 1 practices and 2 hospitals.

Conditions treated

Dr. John T. Haas, being an cardiac electrophysiologist, 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. John T. Haas.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Angina
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Atrial Fibrillation
  • Atrial Septal Defect (ASD)
  • Bladder Control
  • Bradycardia
  • Carotid Artery Disease
  • Cerebral Aneurysm
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Chronic Venous Insufficiency
  • Common Cold
  • Congenital Heart Disease (CHD)
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Pacemaker
  • Peptic Ulcer
  • Pericardial Tamponade
  • Pericarditis
  • Prescription Refill
  • Renal Vascular Disease
  • Rheumatic Heart Disease
  • Urethritis
  • Urinary Tract Infection (UTI)
  • Wolff-Parkinson-White Syndrome (WPW)

Procedures Performed by Dr. John T. Haas

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John T. Haas as in-network for the following 2026 plans.

Health plans

Blue Cross and Blue Shield of Nebraska

Network data as of Sep 16, 2026, as reported by the insurer.

Blue Cross and Blue Shield of Nebraska plans
Plan Plan type Network tier New patients
HeartlandBlue Bronze HSA 6500 NEtwork Blue EPO · Expanded Bronze Preferred Accepting new patients

Medica

Network data as of Jul 13, 2026, as reported by the insurer.

Show all 18 plans from Medica
Medica plans
Plan Plan type Network tier New patients
Elevate by Medica Bronze $0 Copay PCP Visits EPO · Expanded Bronze Preferred Accepting new patients
Elevate by Medica Bronze Premier EPO · Expanded Bronze Preferred Accepting new patients
Elevate by Medica Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Elevate by Medica Gold $0 Copay PCP Visits EPO · Gold Preferred Accepting new patients
Elevate by Medica Gold Share EPO · Gold Preferred Accepting new patients
Elevate by Medica Gold Standard EPO · Gold Preferred Accepting new patients
Elevate by Medica Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Elevate by Medica Silver Share EPO · Silver Preferred Accepting new patients
Elevate by Medica Silver Standard EPO · Silver Preferred Accepting new patients
Medica Insure Bronze Premier EPO · Expanded Bronze Preferred Accepting new patients
Medica Insure Bronze Share EPO · Expanded Bronze Preferred Accepting new patients
Medica Insure Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Medica Insure Gold $0 Copay PCP Visits EPO · Gold Preferred Accepting new patients
Medica Insure Gold Share EPO · Gold Preferred Accepting new patients
Medica Insure Gold Standard EPO · Gold Preferred Accepting new patients
Medica Insure Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Medica Insure Silver Share EPO · Silver Preferred Accepting new patients
Medica Insure Silver Standard EPO · Silver Preferred Accepting new patients

Oscar Insurance Company

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

Show all 10 plans from Oscar Insurance Company
Oscar Insurance Company plans
Plan Plan type Network tier New patients
Bronze Classic EPO · Expanded Bronze Preferred Accepting new patients
Bronze Classic Standard EPO · Expanded Bronze Preferred Accepting new patients
Bronze Elite + PCP Saver Plus EPO · Expanded Bronze Preferred Accepting new patients
Bronze Simple Diabetes EPO · Expanded Bronze Preferred Accepting new patients
Gold Classic Standard EPO · Gold Preferred Accepting new patients
Gold Elite EPO · Gold Preferred Accepting new patients
Silver Classic Standard EPO · Silver Preferred Accepting new patients
Silver Simple Diabetes EPO · Silver Preferred Accepting new patients
Silver Simple PCP Saver EPO · Silver Preferred Accepting new patients
Silver Simple Women's Health with Menopause Benefits EPO · 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. John T. Haas 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. John T. Haas is enrolled to bill Medicare as a Practitioner - Cardiovascular Disease (cardiology) (also registered under: Practitioner - Internal Medicine, Practitioner - Cardiac Electrophysiology) .

Bills through: Unmc Physicians

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.

Studies

LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE

Graduated in 1980

Additional Specialities

  • Internist

Affiliated practices

Unmc Physicians
988102 Nebraska Medical Center
Omaha, 68198 NE
(402) 559-9800

Affiliated hospitals

THE NEBRASKA MEDICAL CENTER
987400 NEBRASKA MEDICAL CENTER
OMAHA, 68198 NE
(402) 552-2040
BELLEVUE MEDICAL CENTER
2500 BELLEVUE MEDICAL CENTER DR
BELLEVUE, 68123 NE
(402) 763-3600

Looking for more Cardiac Electrophysiologists?

Here are cardiac electrophysiologists in Nebraska you may want to explore.

Dr. Faris Khan
  • Gender: Male
  • Address: Emile At 42nd Street Omaha, 68198, NE
Dr. Shane F. Tsai
  • Gender: Male
  • Address: Emile 42nd Street Omaha, 68198, NE
Dr. Peter L. Gallagher
  • Gender: Male
  • Address: 1600 South 48th Street Suite 500 Lincoln, 68506, NE
Dr. Daniel R. Anderson
  • Gender: Male
  • Address: 988102 Nebraska Medical Center Omaha, 68198, NE
Dr. Robert Lee Percell
  • Gender: Male
  • Address: Suite 600 1600 South 48th Street Lincoln, 68506, NE
Dr. John R. Windle
  • Gender: Male
  • Address: 988102 Nebraska Medical Center Omaha, 68198, NE
Dr. Jeffrey M. Mahoney
  • Gender: Male
  • Address: Suite 100 1120 North 103rd Plaza Omaha, 68114, NE
Dr. Steven J. Ackerman
  • Gender: Male
  • Address: 7440 South 91st Street Lincoln, 68526, NE
Dr. Muhammad Naser Imran
  • Gender: Male
  • Address: Suite 301 110 North 29th Street Norfolk, 68701, NE

Questions & Answers

Has Dr. John T. Haas affiliation with hospitals?

Dr. John T. Haas is affiliated with THE NEBRASKA MEDICAL CENTER. For the full list of hospitals see this list.

What conditions does Dr. John T. Haas treat?

Dr. John T. Haas provides treatment for High Blood Pressure, Obesity, Peptic Ulcer, Pericarditis, Urethritis, Wolff-Parkinson-White Syndrome (WPW). For the full list see this list.

Does Dr. John T. Haas have affiliation with practices?

Dr. John T. Haas is affiliated with Unmc Physicians.

Where can you meet with Dr. John T. Haas?

Dr. John T. Haas's office is located at 988102 Nebraska Medical Center in Omaha, NE 68198.

Does Dr. John T. Haas accept patients with Oscar Insurance Company?

Yes, Dr. John T. Haas is listed in-network for Oscar Insurance Company through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.