4.2
23 Ratings with 8 written Reviews
Summary
Dr. William Zato is a family medicine physician with additional expertise in emergency medicine and addiction medicine. He earned his medical degree from Midwestern University-Chicago College of Osteopathic Medicine and brings five decades of clinical experience to his practice. Dr. Zato speaks English and has dedicated his career to comprehensive patient care across multiple medical disciplines.
Dr. Zato maintains affiliations with Franciscan St Anthony Health-Crown Point, Methodist Hospitals Southlake Campus, and Franciscan Health Crown Point, with practice locations in Merrillville and Crown Point, Indiana. His clinical focus includes managing high blood pressure in both adult and pediatric patients, as well as treating hypertensive emergencies. He also performs specialized drug screening tests to support addiction medicine care. Patients have given Dr. Zato an average rating of 4.2 stars.
Dr. Zato maintains affiliations with Franciscan St Anthony Health-Crown Point, Methodist Hospitals Southlake Campus, and Franciscan Health Crown Point, with practice locations in Merrillville and Crown Point, Indiana. His clinical focus includes managing high blood pressure in both adult and pediatric patients, as well as treating hypertensive emergencies. He also performs specialized drug screening tests to support addiction medicine care. Patients have given Dr. Zato an average rating of 4.2 stars.
Overview based on verified provider data
Quick Facts
- 50 years of experience
- speaks English
- Midwestern University-Chicago College Of Osteopathic Medicine
- 8 written reviews
- 3 specialties
- 9 areas of expertise
- 3 hospital affiliations
- 3 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. William A Zato has 3 locationsHolistic Addiction and Behavioral Medicine, LLC
7805 Taft StMerrillville, IN 46410 Tel: (219) 742-7328
Mon12:00 pm - 5:30 pm
Tue12:00 pm - 5:30 pm
WedClosed
Thu12:00 pm - 5:30 pm
Fri12:00 pm - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  | |
| Dr. William A Zato, DO | Helix Virtual Care | Nicole Baldwin, APRN, FNP-BC | Dr. Sunita Kolareth, MD |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 50 Years of Experience | 8 Years of Experience | 5 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English | |
| Merrillville , IN | Boca Raton , FL | Orlando , FL | Chicago , IL |
| Med School: Midwestern University-Chicago College Of Osteopathic Medicine | Med School: University Of Missouri-Kansas City School Of Medicine | ||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. William A Zato
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. William A Zato has the following 3 specialties
Specialty Expertise
Dr. William A Zato has the following 9 areas of expertise
Certifications, License, & Education
50 Years Experience
Dr. William A Zato holds an expired medical license in the state of Indiana.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of Indiana that expired in 2025.
Education & Training
Medical School
Graduated from Midwestern University-Chicago College Of Osteopathic Medicine in 1976.
NPI Number
Dr. Zato's NPI number is 1497796809.
Similar doctors
Frequently Asked Questions
- How can I make an appointment with Dr. William Zato?
- You can find contact information for Dr. William Zato here on Vitals.
- Does Dr. William Zato accept my insurance?
- You can see the insurance plans that Dr. William Zato accepts on their Vitals profile.
- What languages does Dr. William Zato speak?
- Dr. William Zato speaks English.
- Is Dr. William Zato accepting new patients?
- Dr. William Zato has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Where is Dr. William Zato's office located?
- Dr. William Zato's office is located at 7805 Taft St, Merrillville, IN, 46410.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
