Summary

Dr. William Zato has practiced family medicine, emergency medicine, and addiction medicine for 50 years. He treats hypertension, hypertensive emergency, and pediatric hypertension. Dr. Zato is affiliated with Franciscan St. Anthony Health–Crown Point, Methodist Hospitals Southlake Campus, and AMG Specialty Hospital Northwest Indiana, and sees patients in Merrillville and Crown Point, Indiana. He earned his DO from Midwestern University–Chicago College of Osteopathic Medicine. Patients on Vitals rate Dr. Zato 4.17 out of 5.

Overview based on verified provider data

Quick Facts

  • 4.2
  • 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

Office Locations

Dr. William A Zato has 3 locations

Holistic Addiction and Behavioral Medicine, LLC

7805 Taft StMerrillville, IN 46410
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

Methodist Hospitals Southlake Campus

8701 BroadwayMerrillville, IN 46410

Franciscan Health Crown Point

12750 Saint Francis DrCrown Point, IN 46307

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Dr. William A Zato, DO
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Dr. William A Zato, DODr. Parth BhavsarBrandi Rhoads, MSN, FNP-C, PMHNP-BCDr. Michael Gray, MD
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
0 
0 
4.2 
50 Years of Experience 12 Years of Experience 31 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, Hindi, Gujarati, Urdu Speaks English
Merrillville , INLawrenceville , GATerre Haute , INAnnapolis , MD
Med School: Midwestern University-Chicago College Of Osteopathic Medicine Med School: Smt N H L Municipal Medical College Med School: University Of Maryland School Of Medicine
Current Profile
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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

  • Addiction Medicine
  • Check-up
  • Contraception
  • Emergency Medicine
  • Family Planning
  • Immunization
  • Influenza
  • Weight Loss
  • Weight Loss (non-surgical)

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.

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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 virtual/telehealth appointments?
Dr. William Zato has not indicated that they accept virtual/teleheatlh appointments. 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.
Which hospitals is Dr. William Zato affiliated with?
Dr. William Zato is affiliated with Franciscan St Anthony Health-Crown Point, Methodist Hospitals Southlake Campus, and Amg Specialty Hospital Northwest Indiana.
Does Dr. William Zato accept my insurance?
You can see the insurance plans that Dr. William Zato accepts on their Vitals profile.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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