Geoffrey Siesel, M.D.
NPI 1801116744 · Diagnostic Radiology Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Geoffrey Siesel, M.D. is a Diagnostic Radiology Physician provider in Columbus, OH (NPI 1801116744).
Provider details
- NPI number
- 1801116744
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35.126904 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,457 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 265 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 174 | $37 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 136 | $80 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 117 | $81 |
| X-Ray of Chest, 2 Views71046 | 110 | $10 |
| Ct Scan of Upper Spine Without Contrast72125 | 83 | $43 |
| Ct Scan of Blood Vessels of Abdomen and Pelvis With Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-02
- Last updated
- 2026-03-06
- Certified
- 2026-03-06
Frequently asked questions
- What is Geoffrey Siesel's NPI number?
- Geoffrey Siesel's National Provider Identifier (NPI) is 1801116744, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geoffrey Siesel's specialty?
- Geoffrey Siesel is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Geoffrey Siesel located?
- Geoffrey Siesel's practice location on file with NPPES is 395 W 12th Ave, Columbus, OH 43210-1267.
- What is Geoffrey Siesel's phone number?
- The practice phone number listed in the NPPES registry for Geoffrey Siesel is (614) 293-8315.
- Does Geoffrey Siesel accept Medicare?
- Geoffrey Siesel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Geoffrey Siesel's NPI active?
- Yes — Geoffrey Siesel's NPI (1801116744) is active in the NPPES registry as of the last update on 2026-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.