Brian O'Connor, MD
NPI 1578203451 · Internal Medicine Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian O'Connor, MD is a Internal Medicine Physician provider in Columbus, OH (NPI 1578203451).
Provider details
- NPI number
- 1578203451
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35.151646 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 41 | 18 |
| Carvedilol | 30 | — |
| Losartan Potassium | 25 | — |
| Levothyroxine Sodium | 24 | — |
| Lisinopril | 21 | — |
| Furosemide | 19 | — |
| Hydroxyzine Hcl | 17 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-30
- Last updated
- 2025-04-18
- Certified
- 2025-04-18
Frequently asked questions
- What is Brian O'Connor's NPI number?
- Brian O'Connor's National Provider Identifier (NPI) is 1578203451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian O'Connor's specialty?
- Brian O'Connor is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian O'Connor located?
- Brian O'Connor's practice location on file with NPPES is 410 W 10th Ave, Columbus, OH 43210-1240.
- What is Brian O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Brian O'Connor is (614) 293-5123.
- Does Brian O'Connor accept Medicare?
- Brian O'Connor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian O'Connor's NPI active?
- Yes — Brian O'Connor's NPI (1578203451) is active in the NPPES registry as of the last update on 2025-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.