James Christopher Cronk, MD, PHD
Pediatric Hematology & Oncology Physician · Cincinnati, OH
James Christopher Cronk, MD, PHD is a pediatric hematology & oncology physician with a practice address in Cincinnati, Ohio, and NPI 1124524723, issued on Apr 3, 2018. Check the license (Ohio 35.154781, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- James Christopher Cronk
- Credential
- MD, PHD
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- 35.154781 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3333 Burnet Ave, Cincinnati, OH 45229
- Phone
- (513) 636-4225
- Enumerated
- Apr 3, 2018
- Record last updated
- Oct 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20251201000630); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 191 in Ohio → Look up another NPI →
Also registered at 3333 Burnet Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Abdelaziz, MD, MSC, PHDPediatric Orthopaedic Surgery Physician1306521927
- Subhy Abo Rubeea, MDStudent in an Organized Health Care Education/Training Program1184077398
- Juan Abonia, M.D.Allergy & Immunology Physician1457300915
- Hideat AbrahaNurse Practitioner1801613237
- Martha Abramovich, APRN-CNPNurse Practitioner1558021022
- Maisam Abu-El-Haija, M.D.Pediatric Gastroenterology Physician1467660423
Verify James Christopher Cronk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.154781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Children's Hospital Medical CenterCincinnati, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Christopher Cronk among 191 pediatric hematology & oncology physician records in Ohio
James Christopher Cronk, MD, PHD is one of 191 pediatric hematology & oncology physician records with a practice address in Ohio. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 86% of them.
- NPI issued2018 · 86% of these records are older, 10% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2018 · median 2007 among the 81 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Ohio
There are 191 pediatric hematology & oncology physician records in Ohio.
All 191 in Ohio → Every provider in Cincinnati → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Karen Burns, M.D.Cincinnati, OH 452291912964560
- Stella Davies, M.D.Cincinnati, OH 452291780618462
- Michael Grimley, M.D.Cincinnati, OH 452291780641555
- Ralph Gruppo, M.D.Cincinnati, OH 452291851321186
- Sonata Jodele, M.D.Cincinnati, OH 452291336179662
- Theodosia Kalfa, M.D.Cincinnati, OH 452291487684726
- Karen Kalinyak, M.D.Cincinnati, OH 452291003846346
- Lori Luchtman-Jones, MDCincinnati, OH 452291457377681
Common questions
What is James Christopher Cronk, MD, PHD's NPI number?
James Christopher Cronk, MD, PHD's National Provider Identifier (NPI) is 1124524723, issued on Apr 3, 2018. An NPI identifies a provider in billing; it is not a license.
Where is James Christopher Cronk, MD, PHD located?
The NPPES record lists a practice address at 3333 Burnet Ave, Cincinnati, OH, 45229. Phone: (513) 636-4225. Providers update this record themselves, so call before visiting.
How can I verify James Christopher Cronk, MD, PHD's license?
NPPES lists Ohio license number 35.154781, 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.