NPPES file of Aug 9, 2026

Mary McKernan, LCPC

Mental Health Counselor · Buffalo Grove, IL

Mary McKernan, LCPC is a mental health counselor with a practice address in Buffalo Grove, Illinois, and NPI 1245093160, issued on Feb 2, 2024. Check the license (Illinois 80004572, as entered in NPPES) 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
1245093160
Name
Mary McKernan
Credential
LCPC
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
80004572 IL
Self-reported in NPPES; status is on the state search
Practice location
135 N Arlington Heights RD Ste 105, Buffalo Grove, IL 60089
Phone
(224) 357-6993
Enumerated
Feb 2, 2024
Record last updated
Jan 21, 2026
Medicare enrollment
Enrolled (PECOS I20241119000873); 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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Also registered at 135 N Arlington Heights RD Ste 105

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

  1. David McNeil, M.D.Psychiatry Physician1881652154
  2. Anna Phillips, PA-CPhysician Assistant1649882192

Verify Mary McKernan 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 80004572
    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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Bills Medicare through 2 group practices

  1. Deer Oaks Mid-West LLCNaperville, IL
  2. Rockford Psychiatric Medical Services SCBuffalo Grove, IL

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

Mary McKernan among 10,716 mental health counselor records in Illinois

Mary McKernan, LCPC 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 2024, is newer than 76% of them.

  • NPI issued2024 · 76% of these records are older, 15% newer
  • In a Medicare fileYes · 4% of these records are
  • In the CMS Doctors and Clinicians fileYes · 7% of these records are
  • Graduated1997 · median 2015 among the 726 with a school on file
  • Record last updated2026 · 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).

25 mental health counselor records list a practice address in Buffalo Grove

They are 25 of the 868 NPPES records with a practice address in Buffalo Grove, and 10,716 mental health counselor records in Illinois.

The 8 mental health counselor records with the nearest ZIP codes

  1. Adam Andresen, MABuffalo Grove, IL 600891952912602
  2. Elizabeth BerlandBuffalo Grove, IL 600891326456278
  3. Felice Block, LCPCBuffalo Grove, IL 600891396806683
  4. Thomas Czapiewski, LCPC, CADCBuffalo Grove, IL 600891619513132
  5. Sherry FleydervishBuffalo Grove, IL 600891295226116
  6. Rosann Leadingham, LCPC,CADCBuffalo Grove, IL 600891215175260
  7. Michelle Magida, LCPCBuffalo Grove, IL 600891407289887
  8. Sarah Mocco, M.S., LCPC, CADC,NCCBuffalo Grove, IL 600891306135322

Common questions

What is Mary McKernan, LCPC's NPI number?

Mary McKernan, LCPC's National Provider Identifier (NPI) is 1245093160, issued on Feb 2, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Mary McKernan, LCPC located?

The NPPES record lists a practice address at 135 N Arlington Heights RD Ste 105, Buffalo Grove, IL, 60089. Phone: (224) 357-6993. Providers update this record themselves, so call before visiting.

How can I verify Mary McKernan, LCPC's license?

NPPES lists Illinois license number 80004572, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.