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WILLIAM ZATO DO
NPI 1497796809
Family Medicine in Merrillville, IN

Active since June 09, 2006PECOS EnrolledAccepts Medicare Assignment
7805 TAFT ST STE E, MERRILLVILLE, IN 46410(219) 230-4667(219) 756-3793 Get Directions Write a Review

NPPES record last updated: August 18, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 18, 2020, May 16, 2016 (2 updates tracked since 2016).

About William Zato Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM ZATO DO (NPI 1497796809) is an individual family medicine provider in Merrillville, Indiana, licensed in Indiana (02000629A) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (1976).

NPPES Registry Identity

NPI1497796809
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameWILLIAM ZATOCredential: DO
Location Address7805 TAFT ST STE EMerrillville, IN 46410-5237
Mailing Address7805 Taft St Ste EMerrillville, IN 46410-5237 · (219) 756-3791 · Fax (219) 365-8291
Phone(219) 230-4667
Fax(219) 756-3793
Sole ProprietorNo
Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 1976
Enumeration DateJune 9, 2006
Last NPPES UpdateAugust 18, 20202 updates tracked since enumeration
NPPES CertifiedAugust 18, 2020
✔ NPI 1497796809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IN · 02000629A
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

7805 TAFT ST STE E, Merrillville, IN 46410
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William Zato Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719029297
PECOS Enrollment IDI20100121000422
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
125 services113 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
43 services43 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46410 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HOLISTIC ADDICTION AND BEHAVIORAL MEDICINE, LLC
Family Medicine
7805 TAFT ST STE E
MERRILLVILLE, IN 46410
Lake County (219) 230-4667
WAYNE M ISAILOVICH LAC
Counselor (Addiction (Substance Use Disorder))
7805 TAFT ST STE E
MERRILLVILLE, IN 46410
Lake County (219) 756-3791
PERSONAL WELLNESS MEDICAL ADDICTION SERVICES
Clinic/Center (Adult Mental Health)
7805 TAFT ST STE E
MERRILLVILLE, IN 46410
Lake County (219) 742-7328

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Zato's NPI number?

The NPI number for William Zato is 1497796809. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Where is William Zato located?

William Zato practices at 7805 Taft St Ste E, Merrillville, IN 46410. The listed phone number is (219) 230-4667.

What is William Zato's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is William Zato enrolled in Medicare?

Yes. William Zato is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for William Zato was last updated on August 18, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.