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Brendan O'Sullivan
NPI 1679151492 · Diagnostic Radiology Physician · Boston, MA
Brendan O'Sullivan is a Diagnostic Radiology Physician provider in Boston, MA (NPI 1679151492).
Provider details
- NPI number
- 1679151492
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1025893 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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.
Practice location
55 Fruit St
Boston, MA 02114-2621
Phone: (630) 297-1318
Street-level locationGet directions
Mailing address
55 Fruit St
Boston, MA 02114-2621
Registry dates
- Enumerated
- 2021-04-01
- Last updated
- 2026-05-29
- Certified
- 2026-05-29
Frequently asked questions
- What is Brendan O'Sullivan's NPI number?
- Brendan O'Sullivan's National Provider Identifier (NPI) is 1679151492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brendan O'Sullivan's specialty?
- Brendan O'Sullivan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Brendan O'Sullivan located?
- Brendan O'Sullivan's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Brendan O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Brendan O'Sullivan is (630) 297-1318.
- Is Brendan O'Sullivan's NPI active?
- Yes — Brendan O'Sullivan's NPI (1679151492) is active in the NPPES registry as of the last update on 2026-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.