Registry data as of Aug 27, 2026

William Ziolo, LPC

Professional Counselor · Deerfield, IL

William Ziolo, LPC is a professional counselor with a practice address in Deerfield, Illinois, and NPI 1689337321, issued on Oct 19, 2021. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1689337321
Name
William Ziolo
Credential
LPC
Primary taxonomy
Professional Counselor 101YP2500X
Practice location
770 Lake Cook RD Ste 320, Deerfield, IL 60015
Phone
(847) 600-4124
Enumerated
Oct 19, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 770 Lake Cook RD Ste 320

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emily LapinskiSocial Worker1790316321
  2. Kalyna Melnyk, LCPCMental Health Counselor1518682020

Verify William Ziolo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

24 professional counselor records list a Deerfield practice address

They are 24 of the 712 NPPES records with a Deerfield practice address, and 8,888 professional counselor records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other professional counselor records in Illinois

  1. Sheldon Aaron, LPCChampaign, IL1437635752
  2. John Abad, LCPCNaperville, IL1891373932
  3. Rosa AbarcaChicago, IL1043406028
  4. Ashley Abate, MA, LCPCFreeport, IL1275787871
  5. Sarah Abbas, MA, LCPC, CCTPNaperville, IL1588488423
  6. Sabrina AbbateHinsdale, IL1588519482
  7. Gillie Abdiraxman-Issa, LPC-INTERNWestmont, IL1669352951
  8. Jahaan Abdullah, LPCSycamore, IL1639628654
  9. Sara Abney-Knauz, PSY.DLibertyville, IL1447702923
  10. Michelle Abraham, LPCGlenview, IL1730959743

Common questions

What is William Ziolo, LPC's NPI number?

William Ziolo, LPC's National Provider Identifier (NPI) is 1689337321, issued on Oct 19, 2021. An NPI identifies a provider in billing; it is not a license.

Where is William Ziolo, LPC located?

The NPPES record lists a practice address at 770 Lake Cook RD Ste 320, Deerfield, IL, 60015. Phone: (847) 600-4124. Providers update this record themselves, so call before visiting.

How can I verify William Ziolo, LPC's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.