Dr. Gregory Norman Haase
Last updated: Apr 6, 2026

Dr. Gregory N. Haase

  • Gender: Male
  • Experience: 40 years
  • Graduated from: College Of Osteopathic Physicians And Surgeons Of Los Angeles
  • Graduation year: 1981
  • Sole propriator: No
  • NPI: 1851357032

Dr. Gregory N. Haase DO

Internist

He is located at 355 East 200 North in Warsaw, IN 46582. Can help patients with the following: Abdominal Pain, Bladder Control, Cholecystitis, Chronic Obstructive Pulmonary Disease (COPD), Hot Flashes, Hyperlipidemia. His National Provider Identifier (NPI) number is 1851357032. Appointment can be made via the phone number (574) 372-5625. He is affiliated with 2 practices and 3 hospitals.

Conditions treated

Dr. Gregory Norman Haase, being an internist, 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 N. Haase.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • 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
  • Peptic Ulcer
  • Prescription Refill
  • Urethritis
  • Urinary Tract Infection (UTI)

Procedures Performed by Dr. Gregory N. Haase

Insurances Accepted by Dr. Gregory N. Haase

  1. Medicare

Payments received

Drug payment

AstraZeneca $44
Edwards Lifesciences $40
Pfizer $37

Other

Food and Beverage $209

Studies

COLLEGE OF OSTEOPATHIC PHYSICIANS AND SURGEONS OF LOS ANGELES

Graduated in 1981

Affiliated practices

Allied Physicians D/B/A Indiana Ohio Heart
2235 Dubois Drive
Warsaw, 46580 IN
(574) 267-8189
Warsaw Family Medicine
1540 Provident Drive
Warsaw, 46580 IN
(574) 372-5868

Affiliated hospitals

PARKVIEW REGIONAL MEDICAL CENTER
11109 PARKVIEW PLAZA DRIVE
FORT WAYNE, 46845 IN
(260) 266-1000
PARKVIEW WHITLEY HOSPITAL
1260 E SR 205
COLUMBIA CITY, 46725 IN
(260) 248-9301
KOSCIUSKO COMMUNITY HOSPITAL
2101 E DUBOIS DR
WARSAW, 46580 IN
(574) 267-3200

Questions & Answers

Does Dr. Gregory Norman Haase have affiliation with practices?

Dr. Gregory Norman Haase is affiliated with Allied Physicians D/B/A Indiana Ohio Heart. For the full list of practices see this list.

Does Dr. Gregory Norman Haase accept patients with Medicare?

Yes, Dr. Gregory Norman Haase accepts patients with Medicare.

Where can you meet with Dr. Gregory Norman Haase?

Dr. Gregory Norman Haase's office is located at 355 East 200 North in Warsaw, IN 46582.

Has Dr. Gregory Norman Haase affiliation with hospitals?

Dr. Gregory Norman Haase is affiliated with PARKVIEW REGIONAL MEDICAL CENTER. For the full list of hospitals see this list.

What conditions does Dr. Gregory Norman Haase treat?

Dr. Gregory Norman Haase provides treatment for Abdominal Pain, Bladder Control, Cholecystitis, Chronic Obstructive Pulmonary Disease (COPD), Hot Flashes, Hyperlipidemia. For the full list see this list.