Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NICHOLAS THEODORE SEVERYN DO
NPI 1366897605
Pediatrics - Neonatal-Perinatal Medicine in Indianapolis, IN

Active since April 24, 2016PECOS Enrolled
705 RILEY HOSPITAL DR, INDIANAPOLIS, IN 46202(317) 274-4779(317) 948-9806 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 14, 2026, Jun 8, 2022 (2 updates tracked since 2022).

About Nicholas Theodore Severyn Do NPPES

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

NICHOLAS THEODORE SEVERYN DO (NPI 1366897605) is an individual neonatal-perinatal medicine provider in Indianapolis, Indiana, licensed in Indiana (02005617A) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366897605
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameNICHOLAS THEODORE SEVERYNCredential: DO
Location Address705 RILEY HOSPITAL DRIndianapolis, IN 46202-5109
Mailing AddressPo Box 719094Chicago, IL 60677-9318 · (317) 777-6435 · Fax (317) 777-6644
Fax(317) 948-9806
Sole ProprietorNo
Enumeration DateApril 24, 2016
Last NPPES UpdateJuly 2, 20262 updates tracked since enumeration
NPPES CertifiedJuly 2, 2026
NPI 1366897605 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License Licensed in IN · 02005617A
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
705 RILEY HOSPITAL DR, Indianapolis, IN 46202

Other Identifiers 1

Medicaid300130717IN

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Nicholas Theodore Severyn Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Other Providers at the Same Location NPPES 20

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

Pediatrics (Neonatal-Perinatal Medicine)
705 RILEY HOSPITAL DR
INDIANAPOLIS, IN 46202
Nurse Practitioner (Family)
705 RILEY HOSPITAL DR
INDIANAPOLIS, IN 46202
Pediatrics (Neonatal-Perinatal Medicine)
705 RILEY HOSPITAL DR
INDIANAPOLIS, IN 46202
Dentist (Pediatric Dentistry)
705 RILEY HOSPITAL DR
INDIANAPOLIS, IN 46202
Student in an Organized Health Care Education/Training Program
705 RILEY HOSPITAL DR
INDIANAPOLIS, IN 46202
Student in an Organized Health Care Education/Training Program
705 RILEY HOSPITAL DR
INDIANAPOLIS, IN 46202
Nurse Practitioner (Pediatrics)
705 RILEY HOSPITAL DR, RI 1601
INDIANAPOLIS, IN 46202
Dentist (Pediatric Dentistry)
705 RILEY HOSPITAL DR, ROC - SUITE 4205
INDIANAPOLIS, IN 46202

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 Nicholas Severyn's NPI number?

The NPI number for Nicholas Severyn is 1366897605. It was assigned to this individual provider in the NPPES registry on April 24, 2016.

Where is Nicholas Severyn located?

Nicholas Severyn practices at 705 Riley Hospital Dr, Indianapolis, IN 46202. The listed phone number is (317) 274-4779.

What is Nicholas Severyn's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Nicholas Severyn enrolled in Medicare?

Yes. Nicholas Severyn is registered in the Medicare PECOS enrollment system.

What insurance does Nicholas Severyn accept?

Health plans from CareSource list Nicholas Severyn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nicholas Severyn was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.