MARK T WARREN DO
NPI 1174729321
Radiology - Pediatric Radiology in Dayton, OH
About Mark T Warren Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK T WARREN DO (NPI 1174729321) is an individual pediatric radiology provider in Dayton, Ohio, licensed in Ohio (34007951) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Dayton Childrens Hospital, and is a graduate of Ohio University, College Of Osteopathic Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Mark T Warren Do 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 Reassignments
2Medicare enrollment records show Mark Warren reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dayton, OH 45404
- Reassigned Medicare billing, Ohio enrollment
- 8 clinicians in this Medicare group
Dayton, OH 45404
- Reassigned Medicare billing, Ohio enrollment
- 54 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Dayton Childrens Hospital
Childrens · Dayton, OHOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DAYTON, OH 45404
DAYTON, OH 45404
DAYTON, OH 45404
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 Mark Warren's NPI number?
The NPI number for Mark Warren is 1174729321. It was assigned to this individual provider in the NPPES registry on June 25, 2007.
Where is Mark Warren located?
Mark Warren practices at 1 Childrens Plz, Dayton, OH 45404. The listed phone number is (937) 689-9117.
What is Mark Warren's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.
Is Mark Warren enrolled in Medicare?
Yes. Mark Warren 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 organizations bill Medicare for Mark Warren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Warren reassigns Medicare benefits to 2 organizations: Dayton Pediatric Imaging Inc (Dayton, OH) and Shriners Hospitals For Children (Dayton, OH). Each 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 Mark Warren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Warren accept?
Health plans from AmeriHealth Caritas Next and CareSource list Mark Warren 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.
Is Mark Warren affiliated with any hospitals?
According to CMS data, Mark Warren is affiliated with Dayton Childrens Hospital.
When was this NPI record last updated?
The NPPES record for Mark Warren was last updated on June 20, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.
# Mark T Warren, DO · NPI 1174729321
Pediatric Radiology physician in Dayton, Ohio. Individual provider, active in the CMS NPPES registry since June 25, 2007.
## Identity
- **NPI:** 1174729321 (Entity type: Individual)
- **Enumerated:** June 25, 2007
- **Primary specialty:** Radiology - Pediatric Radiology · taxonomy 2085P0229X
- **State license:** 34007951 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 CHILDRENS PLZ, Dayton, OH 45404-1873
- **Phone:** (937) 689-9117 · **Fax:** (937) 431-8562
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Dayton Pediatric Imaging Inc (NPI 1598747560, Dayton, OH); Shriners Hospitals For Children (NPI 1235627480, Dayton, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio University, College Of Osteopathic Medicine, class of 2001
## Record status
- **NPPES last updated:** June 20, 2013
- **Other identifiers:** Medicaid 2791162 (OH); Medicare PIN WA4171083 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1174729321) · Data from the CMS NPPES public registry.