Simon Onderi, M.D
NPI 1871850438 · Neuroradiology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Simon Onderi, M.D is a Neuroradiology Physician provider in New Haven, CT (NPI 1871850438).
Provider details
- NPI number
- 1871850438
- Entity type
- Individual
- Primary specialty
- Neuroradiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 295532 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,361 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 | 505 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 499 | $41 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 163 | $85 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 156 | $81 |
| Ct Scan of Upper Spine Without Contrast72125 | 138 | $49 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 126 | $87 |
| X-Ray of Chest, 2 Views |
Practice location
Mailing address
Additional practice locations (2)
- 840 Harrison AveBoston, MA 02118Phone: (617) 638-6610
- 840 Harrison AveBoston, MA 02118Phone: (617) 638-6610
Registry dates
- Enumerated
- 2012-04-19
- Last updated
- 2019-06-26
Frequently asked questions
- What is Simon Onderi's NPI number?
- Simon Onderi's National Provider Identifier (NPI) is 1871850438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Simon Onderi's specialty?
- Simon Onderi is listed in the NPPES registry with a primary specialty of Neuroradiology Physician (Allopathic & Osteopathic Physicians).
- Where is Simon Onderi located?
- Simon Onderi's practice location on file with NPPES is 20 York St, New Haven, CT 06510.
- What is Simon Onderi's phone number?
- The practice phone number listed in the NPPES registry for Simon Onderi is (203) 688-1010.
- Does Simon Onderi accept Medicare?
- Simon Onderi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Simon Onderi's NPI active?
- Yes — Simon Onderi's NPI (1871850438) is active in the NPPES registry as of the last update on 2019-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.