THOMAS NIENABER MBBS
NPI 1164885125
Pediatrics - Neonatal-Perinatal Medicine in Cincinnati, OH

Active since March 29, 2016PECOS Enrolled
3333 BURNET AVE, ML 7009, CINCINNATI, OH 45229(513) 636-4830(513) 636-7868 Get Directions Write a Review

NPPES record last updated: December 18, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 18, 2024, Sep 2, 2022, Mar 29, 2016 (3 updates tracked since 2016).

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

NPI1164885125
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameTHOMAS NIENABERCredential: MBBS
Location Address3333 BURNET AVE, ML 7009Cincinnati, OH 45229-3026
Mailing Address3333 Burnet Ave, Ml 7009Cincinnati, OH 45229-3026 · (513) 636-4830 · Fax (513) 636-7868
Fax(513) 636-7868
Sole ProprietorYes
Enumeration DateMarch 29, 2016
Last NPPES UpdateDecember 18, 20243 updates tracked since enumeration
NPPES CertifiedDecember 18, 2024
✔ NPI 1164885125 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Licenses✔ Licensed in OH · 35.145111✔ Licensed in KY · 57544
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.
Also ListedPediatricsTaxonomy 208000000X · License 35.145111 (OH)
3333 BURNET AVE, Cincinnati, OH 45229

Other Identifiers 2

Medicaid35.145111OH
Medicaid57544KY

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

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).

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 Thomas Nienaber reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatrics
3333 BURNET AVENUE
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.

Radiology (Pediatric Radiology)
3333 BURNET AVE, ML 5031
CINCINNATI, OH 45229
Pediatrics (Pediatric Hematology-Oncology)
3333 BURNET AVE
CINCINNATI, OH 45229
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3333 BURNET AVE, ML 3014
CINCINNATI, OH 45229
Medical Genetics (Clinical Genetics (M.D.))
3333 BURNET AVE, ML 4006
CINCINNATI, OH 45229
Otolaryngology (Pediatric Otolaryngology)
3333 BURNET AVE, MLC 2018
CINCINNATI, OH 45229
Nurse Practitioner (Acute Care)
3333 BURNET AVE, ML 2003
CINCINNATI, OH 45229
Nurse Practitioner (Primary Care)
3333 BURNET AVE, ML 2018
CINCINNATI, OH 45229
Case Manager/Care Coordinator
3333 BURNET AVE
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.