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DR. ROBERT JOHN NADLER MD
NPI 1538788229
Pediatrics - Neonatal-Perinatal Medicine in Columbus, OH

Active since April 13, 2020PECOS Enrolled
111 S GRANT AVE, COLUMBUS, OH 43215(614) 566-9000 Get Directions Write a Review

NPPES record last updated: April 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 8, 2026, May 29, 2025, Jul 8, 2024 and 5 more (8 updates tracked since 2020).

About Dr. Robert John Nadler Md NPPES

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

DR. ROBERT JOHN NADLER MD (NPI 1538788229) is an individual neonatal-perinatal medicine provider in Columbus, Ohio, licensed in Ohio (35.147362) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and maintains 8 additional practice locations.

NPPES Registry Identity

NPI1538788229
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameDR. ROBERT JOHN NADLERCredential: MD
Location Address111 S GRANT AVEColumbus, OH 43215-4701
Mailing Address700 Childrens DrColumbus, OH 43205-2664 · (614) 722-2000
Phone(614) 566-9000
Sole ProprietorNo
Enumeration DateApril 13, 2020
Last NPPES UpdateApril 8, 20268 updates tracked since enumeration
NPPES CertifiedApril 8, 2026
✔ NPI 1538788229 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in OH · 35.147362
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 35.147362 (OH)
Also ListedHospitalistTaxonomy 208M00000X · License 35.147362 (OH)
111 S GRANT AVE, Columbus, OH 43215
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Secondary Practice Locations 8

Location 15300 N Meadows DrGrove City, OH 43123-2546 · Phone (614) 663-5000
Location 26001 E Broad StColumbus, OH 43213-1502 · Phone (614) 234-6000
Location 3600 N Pickaway StCircleville, OH 43113-1447 · Phone (740) 474-2126
Location 4730 W Market StLima, OH 45801-4602 · Phone (419) 227-3361
Location 5700 Childrens DrColumbus, OH 43205-2664 · Phone (614) 722-2000
Location 61010 Refugee RdPickerington, OH 43147-9653 · Phone (614) 788-4000
Location 71000 McKinley Park DrMarion, OH 43302-6399 · Phone (740) 383-8400
Location 85100 W Broad StColumbus, OH 43228-1607 · Phone (614) 544-1000

Other Identifiers 1

Medicaid0408613OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert John Nadler Md 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 Robert Nadler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatric Academic Association, Inc.
0.9 mi
Pediatrics
700 CHILDRENS DR
Columbus, OH 43205
  • Reassigned Medicare billing, Ohio enrollment
  • 1,246 clinicians in this Medicare group
NPI 1063419943 (614) 722-4579

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.

DR. PRISCA MAYNARD M.D.
Internal Medicine
111 S GRANT AVE
COLUMBUS, OH 43215
Franklin County (614) 566-8883
AMANDA NICOLE NEWBURGER
Nurse Practitioner (Neonatal)
111 S GRANT AVE
COLUMBUS, OH 43215
Franklin County (614) 566-9221
LINDA M BERTOLINI CRNA
Anesthesiology
111 S GRANT AVE, 3RD FLOOR
COLUMBUS, OH 43215
Franklin County (614) 566-8808
KARIE L MCLAUGHLIN CNP
Nurse Practitioner
111 S GRANT AVE
COLUMBUS, OH 43215
Franklin County (614) 566-8883
DR. SYEDA MARIAM SHAHID MD, MPH
Student in an Organized Health Care Education/Training Program
111 S GRANT AVE
COLUMBUS, OH 43215
Franklin County (614) 566-9041
PARIS DAE KNIPP PA-C
Physician Assistant
111 S GRANT AVE
COLUMBUS, OH 43215
Franklin County (740) 417-5607
DR. MARK BECKER M.D.
Radiology (Radiation Oncology)
111 S GRANT AVE
COLUMBUS, OH 43215
Franklin County (614) 566-9506
ANUPAMA SUNDARAM M.D.
Pediatrics (Neonatal-Perinatal Medicine)
111 S GRANT AVE
COLUMBUS, OH 43215
Franklin County (614) 566-9000

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 Robert Nadler's NPI number?

The NPI number for Robert Nadler is 1538788229. It was assigned to this individual provider in the NPPES registry on April 13, 2020.

Where is Robert Nadler located?

Robert Nadler practices at 111 S Grant Ave, Columbus, OH 43215. The listed phone number is (614) 566-9000.

What is Robert Nadler's specialty?

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

Is Robert Nadler enrolled in Medicare?

Yes. Robert Nadler is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Nadler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Nadler reassigns Medicare benefits to Pediatric Academic Association, Inc. (Columbus, 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 Robert Nadler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Nadler accept?

Health plans from CareSource and Molina Healthcare list Robert Nadler 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 Robert Nadler was last updated on April 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.