THOMAS NIENABER MBBS
NPI 1164885125
Pediatrics - Neonatal-Perinatal Medicine in Cincinnati, OH
About Thomas Nienaber Mbbs NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS NIENABER MBBS (NPI 1164885125) is an individual neonatal-perinatal medicine provider in Cincinnati, Ohio, licensed in Ohio (35.145111) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Thomas Nienaber Mbbs is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Thomas Nienaber reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cincinnati, OH 45229
- Reassigned Medicare billing, Ohio enrollment
- 2,080 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
CINCINNATI, OH 45229
CINCINNATI, OH 45229
CINCINNATI, OH 45229
CINCINNATI, OH 45229
CINCINNATI, OH 45229
CINCINNATI, OH 45229
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 Thomas Nienaber's NPI number?
The NPI number for Thomas Nienaber is 1164885125. It was assigned to this individual provider in the NPPES registry on March 29, 2016.
Where is Thomas Nienaber located?
Thomas Nienaber practices at 3333 Burnet Ave Ml 7009, Cincinnati, OH 45229. The listed phone number is (513) 636-4830.
What is Thomas Nienaber's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Thomas Nienaber enrolled in Medicare?
Yes. Thomas Nienaber is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Thomas Nienaber's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Nienaber reassigns Medicare benefits to Children's Hospital Medical Center (Cincinnati, OH). 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 Thomas Nienaber'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 Thomas Nienaber was last updated on December 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.