James Oconnell, MD
NPI 1780661603 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Oconnell, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1780661603).
Provider details
- NPI number
- 1780661603
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 53045 (MA)
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
20 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
Mailing address
Registry dates
- Enumerated
- 2005-12-30
- Last updated
- 2010-11-14
Frequently asked questions
- What is James Oconnell's NPI number?
- James Oconnell's National Provider Identifier (NPI) is 1780661603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Oconnell's specialty?
- James Oconnell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Oconnell located?
- James Oconnell's practice location on file with NPPES is 780 Albany St, Boston, MA 02118-2524.
- What is James Oconnell's phone number?
- The practice phone number listed in the NPPES registry for James Oconnell is (617) 726-1818.
- Does James Oconnell accept Medicare?
- James Oconnell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Oconnell's NPI active?
- Yes — James Oconnell's NPI (1780661603) is active in the NPPES registry as of the last update on 2010-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.