GEOFFREY M SIESEL M.D.
NPI 1801116744
Radiology - Diagnostic Radiology in Columbus, OH
About Geoffrey M Siesel M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEOFFREY M SIESEL M.D. (NPI 1801116744) is an individual diagnostic radiology provider in Columbus, Ohio, licensed in Ohio (35.126904) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Ohio State University State Health System, and is a graduate of Ohio State University College Of Medicine (2010).
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
Geoffrey M Siesel M.d. 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 Geoffrey Siesel reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbus, OH 43210
- Reassigned Medicare billing, Ohio enrollment
- 163 clinicians in this Medicare group
Columbus, OH 43214
- Reassigned Medicare billing, Ohio enrollment
- 172 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.
Areas of Expertise CMS Part B claims 25
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohio State University State Health System
Acute Care Hospitals · Columbus, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43210 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
COLUMBUS, OH 43210
COLUMBUS, OH 43210
COLUMBUS, OH 43210
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 Geoffrey Siesel's NPI number?
The NPI number for Geoffrey Siesel is 1801116744. It was assigned to this individual provider in the NPPES registry on June 2, 2010.
Where is Geoffrey Siesel located?
Geoffrey Siesel practices at 395 W 12th Ave, Columbus, OH 43210. The listed phone number is (614) 293-8315.
What is Geoffrey Siesel's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Geoffrey Siesel enrolled in Medicare?
Yes. Geoffrey Siesel 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 Geoffrey Siesel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Geoffrey Siesel reassigns Medicare benefits to 2 organizations: Osu Radiology LLC (Columbus, OH) and Riverside Radiology And Interventional Associates Inc (Columbus, 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 Geoffrey Siesel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Geoffrey Siesel accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Geoffrey Siesel 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 Geoffrey Siesel affiliated with any hospitals?
According to CMS data, Geoffrey Siesel is affiliated with Ohio State University State Health System.
When was this NPI record last updated?
The NPPES record for Geoffrey Siesel was last updated on March 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.