NPPES file of Aug 9, 2026

Mark Horn

Counseling Psychologist · Evanston, IL

Mark Horn is a counseling psychologist with a practice address in Evanston, Illinois, and NPI 1902780505, issued on Aug 5, 2025. 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902780505
Name
Mark Horn
Primary taxonomy
Counseling Psychologist 103TC1900X
Practice location
622 Davis St Ste 200, Evanston, IL 60201
Phone
(773) 294-0176
Enumerated
Aug 5, 2025
Record last updated
Aug 5, 2025
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.
Download card Updates feed

8 nearest counseling psychologist records → All 119 in Illinois → Look up another NPI →

Also registered at 622 Davis St Ste 200

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

  1. Ozaz AbdallaMental Health Counselor1154077477
  2. Obrain AgwanihuClinical Social Worker1841997889
  3. Jessica Andrick, LPCProfessional Counselor1821669532
  4. Hannah Bailey, MA, LCPC, BC-DMTProfessional Counselor1265970123
  5. Amy Christie, LCSWSocial Worker1487280145
  6. Jennifer ConnorsMental Health Counselor1811874217

Verify Mark Horn 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Mark Horn among 119 counseling psychologist records in Illinois

Mark Horn is one of 119 counseling psychologist records with a practice address in Illinois. 6% 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 2025, is newer than 92% of them.

  • NPI issued2025 · 92% of these records are older, 2% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC1900X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Counseling Psychologist providers in Illinois

There are 119 counseling psychologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 119 in Illinois → Every provider in Evanston → Counseling Psychologist nationwide →

The 8 counseling psychologist records with the nearest ZIP codes

  1. Dawn Collins, PH.D.Evanston, IL 602011053429647
  2. Robert Hartke, PH.D.Evanston, IL 602011255344628
  3. Tari Mack, PHDEvanston, IL 602011316197791
  4. Valerie TrewickEvanston, IL 602011275217093
  5. Nancy Williams, LPCEvanston, IL 602011528843521
  6. Tamara Johnson, PH.D.Evanston, IL 602081619271533
  7. Amy Allnutt, PSY. D.Winfield, IL 601901063680908
  8. Smriti AcevedoWheaton, IL 601891366207888

Common questions

What is Mark Horn's NPI number?

Mark Horn's National Provider Identifier (NPI) is 1902780505, issued on Aug 5, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Mark Horn located?

The NPPES record lists a practice address at 622 Davis St Ste 200, Evanston, IL, 60201. Phone: (773) 294-0176. Providers update this record themselves, so call before visiting.

How can I verify Mark Horn'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. 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.