William Oconnell, M.D.
NPI 1770926156 · Vascular & Interventional Radiology Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Interventional Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Oconnell, M.D. is a Vascular & Interventional Radiology Physician provider in Atlanta, GA (NPI 1770926156).
Provider details
- NPI number
- 1770926156
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 77664 (GA)
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
13 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
1,608 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 | 384 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 127 | $85 |
| X-Ray of Chest, 2 Views71046 | 113 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 99 | $39 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 90 | $33 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 68 | $35 |
| Ct Scan of Blood Vessels of Chest With Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-16
- Last updated
- 2017-05-01
Frequently asked questions
- What is William Oconnell's NPI number?
- William Oconnell's National Provider Identifier (NPI) is 1770926156, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Oconnell's specialty?
- William Oconnell is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Oconnell located?
- William Oconnell's practice location on file with NPPES is 1364 Clifton Rd Ne, Atlanta, GA 30322-1059.
- What is William Oconnell's phone number?
- The practice phone number listed in the NPPES registry for William Oconnell is (404) 712-7118.
- Does William Oconnell accept Medicare?
- William Oconnell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Oconnell's NPI active?
- Yes — William Oconnell's NPI (1770926156) is active in the NPPES registry as of the last update on 2017-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.