NPPES file of Aug 9, 2026

Robert John Nadler, MD

Neonatal-Perinatal Medicine Physician · Columbus, OH

Robert John Nadler, MD is a neonatal-perinatal medicine physician with a practice address in Columbus, Ohio, and NPI 1538788229, issued on Apr 13, 2020. Check the license (Ohio 35.147362, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538788229
Name
Robert John Nadler
Credential
MD
Primary taxonomy
Neonatal-Perinatal Medicine Physician 2080N0001X
License number
35.147362 OH
Self-reported in NPPES; status is on the state search
Practice location
111 S Grant Ave, Columbus, OH 43215
Phone
(614) 566-9000
Enumerated
Apr 13, 2020
Record last updated
Apr 8, 2026
Medicaid ID
0408613 OH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 111 S Grant Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew AdegboyeInternal Medicine Physician1881071827
  2. Patricia AidooPsychiatric/Mental Health Nurse Practitioner1215811591
  3. Bryan Alexander, M.D.Hospitalist Physician1588824387
  4. Rebecca Alexander, MDInternal Medicine Physician1659546786
  5. Jacinda Allen, M.D.Hospitalist Physician1144292418
  6. Wael AlnajjarFamily Medicine Physician1669890489

Verify Robert John Nadler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35.147362
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $81.22

3 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 875 providers of this specialty with any payment received $849.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Nadler$81.22
  2. Specialty average$849.08

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Robert John Nadler among 327 neonatal-perinatal medicine physician records in Ohio

Robert John Nadler, MD is one of 327 neonatal-perinatal medicine physician records with a practice address in Ohio. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 96% of them.

  • NPI issued2020 · 96% of these records are older, 2% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2026 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neonatal-Perinatal Medicine Physician providers in Ohio

There are 327 neonatal-perinatal medicine physician records in Ohio.

The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes

  1. Craig Anderson, M.D.Columbus, OH 432151033101431
  2. Sarah Corriveau, M.D.Columbus, OH 432151184616443
  3. Angela Firestine, M.D.Columbus, OH 432151548559073
  4. Barry Halpern, M.D.Columbus, OH 432151144212515
  5. Jeffrey Keyes, MDColumbus, OH 432151346401387
  6. Safdar Khan, MDColumbus, OH 432151861723033
  7. Michelle Lash, M.D.Columbus, OH 432151932514460
  8. Richard Moraille, M.D.Columbus, OH 432151518959907

Common questions

What is Robert John Nadler, MD's NPI number?

Robert John Nadler, MD's National Provider Identifier (NPI) is 1538788229, issued on Apr 13, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Robert John Nadler, MD located?

The NPPES record lists a practice address at 111 S Grant Ave, Columbus, OH, 43215. Phone: (614) 566-9000. Providers update this record themselves, so call before visiting.

How can I verify Robert John Nadler, MD's license?

NPPES lists Ohio license number 35.147362, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.