NPPES file of Aug 9, 2026

Mary Oler

Professional Counselor · Deerfield, IL

Mary Oler is a professional counselor with a practice address in Deerfield, Illinois, and NPI 1861882425, issued on Feb 3, 2015. Check the license (Illinois 178.010376, as entered in NPPES) 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861882425
Name
Mary Oler
Primary taxonomy
Professional Counselor 101YP2500X
License number
178.010376 IL
Self-reported in NPPES; status is on the state search
Practice location
1020 Milwaukee Ave, Deerfield, IL 60015
Phone
(847) 951-2570
Enumerated
Feb 3, 2015
Record last updated
Feb 3, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250801002877); accepts Medicare assignment
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 professional counselor records → All 9,508 in Illinois → Look up another NPI →

Also registered at 1020 Milwaukee Ave

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

  1. Stephanie Ardagh, LSCWClinical Social Worker1992166045
  2. Alisa Bloom, MPH, RDN, LDNRegistered Dietitian1992005326
  3. Ik ChoMassage Therapist1609203769
  4. Jennifer FeinbergClinical Social Worker1639576424
  5. Sheryl Gray, MSRDLDNutrition Education Nutritionist1265658645
  6. Dennis Lubchenko, LCPC, CADC, PCGCMental Health Counselor1760655955

Verify Mary Oler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 178.010376    Check 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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Mary Oler among 9,508 professional counselor records in Illinois

Mary Oler is one of 9,508 professional counselor records with a practice address in Illinois. 10% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2015, is newer than 38% of them.

  • NPI issued2015 · 38% of these records are older, 57% newer
  • In a Medicare fileNo · 10% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated2017 · median 2012 among the 1,382 with a school on file
  • Record last updated2015 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YP2500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 professional counselor records list a practice address in Deerfield

They are 30 of the 712 NPPES records with a practice address in Deerfield, and 9,508 professional counselor records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 9,508 in Illinois → Every provider in Deerfield → Professional Counselor nationwide →

The 8 professional counselor records with the nearest ZIP codes

  1. Elizabeth Croley, LPCBannockburn, IL 600151851413884
  2. Norine Freedman, M.A. , L.C.P.C.Deerfield, IL 600151104998178
  3. Richard Goodman, L.C.P.C.Deerfield, IL 600151598040941
  4. Karen Holub, LCPCBannockburn, IL 600151497876155
  5. Lisa Jordan, LCPCDeerfield, IL 600151770943987
  6. Lana Lake, LCPCDeerfield, IL 600151457675225
  7. Lindsay McDonnell, LCPC, CADCDeerfield, IL 600151598134991
  8. Kerri Nevin, PSY.D.Bannockburn, IL 600151114158508

Common questions

What is Mary Oler's NPI number?

Mary Oler's National Provider Identifier (NPI) is 1861882425, issued on Feb 3, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Mary Oler located?

The NPPES record lists a practice address at 1020 Milwaukee Ave, Deerfield, IL, 60015. Phone: (847) 951-2570. Providers update this record themselves, so call before visiting.

How can I verify Mary Oler's license?

NPPES lists Illinois license number 178.010376, as entered by the provider. 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. 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.