Seth A. Eappen, MD PLLC
NPI 1639610553 · Child & Adolescent Psychiatry Physician · Oak Brook, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Seth A. Eappen, MD PLLC is a Child & Adolescent Psychiatry Physician organization in Oak Brook, IL (NPI 1639610553).
Provider details
- NPI number
- 1639610553
- Entity type
- Organization
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Seth Eappen, Owner(844) 632-7736
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Psychiatry Physician2084P0800X
Allopathic & Osteopathic Physicians
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (3)
- 1431 N Claremont Ave Fl 2Chicago, IL 60622-1702Phone: (844) 632-7736Fax: (888) 972-3621
- 5209 Hohman AveHammond, IN 46320-1719Phone: (844) 632-7736Fax: (888) 972-3621
- 5209 Hohman AveHammond, IN 46320-1719Phone: (844) 632-7736Fax: (888) 972-3621
Registry dates
- Enumerated
- 2017-03-10
- Last updated
- 2018-07-02
Frequently asked questions
- What is Seth A. Eappen, MD PLLC's NPI number?
- Seth A. Eappen, MD PLLC's National Provider Identifier (NPI) is 1639610553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Seth A. Eappen, MD PLLC?
- Seth A. Eappen, MD PLLC is classified in the NPPES registry as Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Seth A. Eappen, MD PLLC located?
- Seth A. Eappen, MD PLLC's practice location on file with NPPES is 600 Enterprise Dr Ste 220, Oak Brook, IL 60523.
- What is Seth A. Eappen, MD PLLC's phone number?
- The practice phone number listed in the NPPES registry for Seth A. Eappen, MD PLLC is (844) 632-7736.
- Does Seth A. Eappen, MD PLLC accept Medicare?
- Seth A. Eappen, MD PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Seth A. Eappen, MD PLLC?
- The authorized official listed on Seth A. Eappen, MD PLLC's NPPES record is Seth Eappen, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Seth A. Eappen, MD PLLC's NPI active?
- Yes — Seth A. Eappen, MD PLLC's NPI (1639610553) is active in the NPPES registry as of the last update on 2018-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.