James Ryan, MB, BCH, BAO
NPI 1821611856 · Diagnostic Radiology Physician · Boston, MA
James Ryan, MB, BCH, BAO is a Diagnostic Radiology Physician provider in Boston, MA (NPI 1821611856).
Provider details
- NPI number
- 1821611856
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MB, BCH, BAO
- Sex
- Male
- Sole proprietor
- No
- License
- 283089 (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
6 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
- 2020-05-26
- Last updated
- 2020-05-26
- Certified
- 2020-05-26
Frequently asked questions
- What is James Ryan's NPI number?
- James Ryan's National Provider Identifier (NPI) is 1821611856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Ryan's specialty?
- James Ryan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is James Ryan located?
- James Ryan's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is James Ryan's phone number?
- The practice phone number listed in the NPPES registry for James Ryan is (617) 732-6304.
- Is James Ryan's NPI active?
- Yes — James Ryan's NPI (1821611856) is active in the NPPES registry as of the last update on 2020-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.