James Duffy, M.D.
NPI 1821098294 · Sports Medicine (Orthopaedic Surgery) Physician · Cincinnati, OH
James Duffy, M.D. is a Sports Medicine (Orthopaedic Surgery) Physician provider in Cincinnati, OH (NPI 1821098294).
Provider details
- NPI number
- 1821098294
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Orthopaedic Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 35 033573 (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
21 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
- 2005-07-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Duffy's NPI number?
- James Duffy's National Provider Identifier (NPI) is 1821098294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Duffy's specialty?
- James Duffy is listed in the NPPES registry with a primary specialty of Sports Medicine (Orthopaedic Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is James Duffy located?
- James Duffy's practice location on file with NPPES is 8451 Beechmont Ave, Cincinnati, OH 45255-4743.
- What is James Duffy's phone number?
- The practice phone number listed in the NPPES registry for James Duffy is (513) 474-3011.
- Is James Duffy's NPI active?
- Yes — James Duffy's NPI (1821098294) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.