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DR. SETH ASHOK EAPPEN M.D.
NPI 1386905669
Psychiatry & Neurology - Child & Adolescent Psychiatry in Oak Brook, IL

Active since June 04, 2012PECOS EnrolledAccepts Medicare Assignment
600 ENTERPRISE DR STE 220, OAK BROOK, IL 60523(844) 632-7736(888) 972-3621 Get Directions Write a Review

NPPES record last updated: November 10, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 10, 2023, Mar 15, 2021, Jul 2, 2018 and 2 more (5 updates tracked since 2017).

About Dr. Seth Ashok Eappen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SETH ASHOK EAPPEN M.D. (NPI 1386905669) is an individual child & adolescent psychiatry provider in Oak Brook, Illinois, licensed in Illinois (036137635) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1386905669
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameDR. SETH ASHOK EAPPENCredential: M.D.
Location Address600 ENTERPRISE DR STE 220Oak Brook, IL 60523
Mailing Address600 Enterprise Dr Ste 220Oak Brook, IL 60523-4202 · (844) 632-7736 · Fax (888) 972-3621
Phone(844) 632-7736
Fax(888) 972-3621
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJune 4, 2012
Last NPPES UpdateNovember 10, 20235 updates tracked since enumeration
NPPES CertifiedNovember 10, 2023
✔ NPI 1386905669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
Licenses✔ Licensed in IL · 036137635✔ Licensed in IN · 01078068A
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 4301100596 (MI)
600 ENTERPRISE DR STE 220, Oak Brook, IL 60523
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Seth Ashok Eappen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547559619
PECOS Enrollment IDI20170105001053
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Seth Eappen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Seth A. Eappen, MD PLLC
Same address
Child & Adolescent Psychiatry
600 ENTERPRISE DR STE 220
Oak Brook, IL 60523
  • Reassigned Medicare billing, Illinois enrollment
  • 6 clinicians in this Medicare group
NPI 1639610553 (844) 632-7736

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
599 services96 patients
Psychiatric services complicated by communication factor 90785
Psychiatric services complicated by communication factors involve mental health care for individuals who have challenges with communication. This can include language barriers, speech disorders, or cognitive impairments. The process involves tailored strategies to ensure effective communication and appropriate mental health care.
592 services95 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
564 services94 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
179 services22 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
134 services21 patients
Psychiatric services complicated by communication factor 90785
Psychiatric services complicated by communication factors involve mental health care for individuals who have challenges with communication. This can include language barriers, speech disorders, or cognitive impairments. The process involves tailored strategies to ensure effective communication and appropriate mental health care.
76 services11 patients

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SETH A. EAPPEN, MD PLLC
Psychiatry & Neurology (Child & Adolescent Psychiatry)
600 ENTERPRISE DR STE 220
OAK BROOK, IL 60523
Dupage County (844) 632-7736
RYAN NICKOLAS EDWARDS NONE
Counselor (Mental Health)
600 ENTERPRISE DR STE 220
OAK BROOK, IL 60523
Dupage County (844) 632-7736
CARLY L KORANDA DNP, APN, PNP-PC,
Psychiatry & Neurology (Psychiatry)
600 ENTERPRISE DR STE 220
OAK BROOK, IL 60523
Dupage County (844) 632-7736

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Seth Eappen's NPI number?

The NPI number for Seth Eappen is 1386905669. It was assigned to this individual provider in the NPPES registry on June 4, 2012.

Where is Seth Eappen located?

Seth Eappen practices at 600 Enterprise Dr Ste 220, Oak Brook, IL 60523. The listed phone number is (844) 632-7736.

What is Seth Eappen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Seth Eappen enrolled in Medicare?

Yes. Seth Eappen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Seth Eappen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Seth Eappen reassigns Medicare benefits to Seth A. Eappen, MD PLLC (Oak Brook, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Seth Eappen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Seth Eappen was last updated on November 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.