NPPES file of Aug 9, 2026

Olivia Catherine O'Hare, MSW, LCSW

Mental Health Counselor · Downers Grove, IL

Olivia Catherine O'Hare, MSW, LCSW is a mental health counselor with a practice address in Downers Grove, Illinois, and NPI 1710211172, issued on Oct 1, 2009. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710211172
Name
Olivia Catherine O'Hare
Credential
MSW, LCSW
Primary taxonomy
Mental Health Counselor 101YM0800X
Practice location
5151 Mochel Dr Ste 307, Downers Grove, IL 60515
Phone
(630) 963-5390
Enumerated
Oct 1, 2009
Record last updated
Jan 3, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(630) 852-2841
Medicare enrollment
Enrolled (PECOS I20170131001585); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2010
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest mental health counselor records → All 10,716 in Illinois → Look up another NPI →

Also registered at 5151 Mochel Dr Ste 307

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

  1. Carolyn Boyer, LCPCProfessional Counselor1699288654
  2. Brenna Leadingham, L.S.WSocial Worker1205789534
  3. Stephanie OlafsonClinical Social Worker1356808802
  4. Samantha Proctor, LCPCMental Health Counselor1417645987

Verify Olivia Catherine O'Hare 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.

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Bills Medicare through one group practice

  1. Irving And Associates IN Behavioral Health PCDowners Grove, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Olivia Catherine O'Hare among 10,716 mental health counselor records in Illinois

Olivia Catherine O'Hare, MSW, LCSW is one of 10,716 mental health counselor records with a practice address in Illinois. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 10% of them.

  • NPI issued2009 · 10% of these records are older, 88% newer
  • In a Medicare fileYes · 4% of these records are
  • In the CMS Doctors and Clinicians fileYes · 7% of these records are
  • Graduated2010 · median 2015 among the 726 with a school on file
  • Record last updated2017 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

56 mental health counselor records list a practice address in Downers Grove

They are 56 of the 1,899 NPPES records with a practice address in Downers Grove, and 10,716 mental health counselor records in Illinois.

All 10,716 in Illinois → Every provider in Downers Grove → Mental Health Counselor nationwide →

The 8 mental health counselor records with the nearest ZIP codes

  1. Sumiaya Caughey, LCPCDowners Grove, IL 605151396028130
  2. Diane Cavey, LPCDowners Grove, IL 605151144675380
  3. Rachael ClausonDowners Grove, IL 605151851890339
  4. Kelly Ford, MS, LCPCDowners Grove, IL 605151013378363
  5. Leslie FrondorfDowners Grove, IL 605151699207811
  6. Angela Gervacio, LPCDowners Grove, IL 605151093107385
  7. John Jauch, MA, LCPCDowners Grove, IL 605151316103898
  8. Gretchen Lewis, LCPCDowners Grove, IL 605151851832604

Common questions

What is Olivia Catherine O'Hare, MSW, LCSW's NPI number?

Olivia Catherine O'Hare, MSW, LCSW's National Provider Identifier (NPI) is 1710211172, issued on Oct 1, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Olivia Catherine O'Hare, MSW, LCSW located?

The NPPES record lists a practice address at 5151 Mochel Dr Ste 307, Downers Grove, IL, 60515. Phone: (630) 963-5390. Providers update this record themselves, so call before visiting.

How can I verify Olivia Catherine O'Hare, MSW, LCSW'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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.