NPPES file of Aug 9, 2026

Seth A. Eappen, Md PLLC in Oak Brook, IL

This organization bills under NPI 1639610553, an organization record issued on Mar 10, 2017 with the primary taxonomy Child & Adolescent Psychiatry Physician. Each clinician who works there has their own NPI and license.

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

Organization recordNPPES, Aug 2026
1639610553
Legal name
Seth A. Eappen, Md PLLC
Entity
Type 2 · organization
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
Practice location
600 ENTERPRISE DR STE 220, Oak Brook, IL 60523
Phone
844-632-7736
Enumerated
Mar 10, 2017
Record updated
Jul 2, 2018
Authorized official
Owner (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

4 clinicians CMS lists with Seth A Eappen Md in Oak Brook

  1. Ryan Byrne, MDChild & Adolescent Psychiatry Physician1063619773
  2. Georgia Ketchum, MDPsychiatry Physician1659690881
  3. Carly Koranda, DNP, APN, PNP-PC,Psychiatry Physician1811469497
  4. Kristen Stromski, NPFamily Nurse Practitioner1447717111

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

Checking an organization

  1. Confirm the business with the Illinois secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

All taxonomies on this record

  • 2084P0800X Psychiatry Physician
  • 2084P0804X Child & Adolescent Psychiatry Physician
  • 363A00000X Physician Assistant

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.