DR. JAMES CHRISTOPHER CRONK MD, PHD
NPI 1124524723
Pediatrics - Pediatric Hematology-Oncology in Cincinnati, OH
About Dr. James Christopher Cronk Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES CHRISTOPHER CRONK MD, PHD (NPI 1124524723) is an individual pediatric hematology-oncology provider in Cincinnati, Ohio, licensed in Ohio (35.154781) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of University Of Virginia School Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. James Christopher Cronk Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show James Cronk 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 James Cronk's NPI number?
The NPI number for James Cronk is 1124524723. It was assigned to this individual provider in the NPPES registry on April 3, 2018.
Where is James Cronk located?
James Cronk practices at 3333 Burnet Ave, Cincinnati, OH 45229. The listed phone number is (513) 636-4225.
What is James Cronk's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is James Cronk enrolled in Medicare?
Yes. James Cronk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for James Cronk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Cronk 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 James Cronk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Cronk accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource and MedMutual list James Cronk 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 James Cronk was last updated on October 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. James Christopher Cronk, MD, PHD · NPI 1124524723
Pediatric Hematology-Oncology physician in Cincinnati, Ohio. Individual provider, active in the CMS NPPES registry since April 3, 2018.
## Identity
- **NPI:** 1124524723 (Entity type: Individual)
- **Enumerated:** April 3, 2018
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** 35.154781 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 3333 BURNET AVE, Cincinnati, OH 45229-3026
- **Phone:** (513) 636-4225
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Children's Hospital Medical Center (NPI 1609915784, Cincinnati, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Virginia School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** October 9, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1124524723) · Data from the CMS NPPES public registry.