Ian C Duncan MD Inc
NPI 1720340573 · Sports Medicine (Orthopaedic Surgery) Physician · Visalia, CA
Ian C Duncan MD Inc is a Sports Medicine (Orthopaedic Surgery) Physician organization in Visalia, CA (NPI 1720340573).
Provider details
- NPI number
- 1720340573
- Entity type
- Organization
- Primary specialty
- Sports Medicine (Orthopaedic Surgery) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ian Duncan, President/Ceo(267) 280-3621
- License
- A120183 (CA)
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
14 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
- 2012-06-07
- Last updated
- 2012-10-17
Frequently asked questions
- What is Ian C Duncan MD Inc's NPI number?
- Ian C Duncan MD Inc's National Provider Identifier (NPI) is 1720340573, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ian C Duncan MD Inc?
- Ian C Duncan MD Inc is classified in the NPPES registry as Sports Medicine (Orthopaedic Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Ian C Duncan MD Inc located?
- Ian C Duncan MD Inc's practice location on file with NPPES is 105 E Noble Ave, Visalia, CA 93277-2717.
- What is Ian C Duncan MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Ian C Duncan MD Inc is (559) 733-3346.
- Who is the authorized official for Ian C Duncan MD Inc?
- The authorized official listed on Ian C Duncan MD Inc's NPPES record is Ian Duncan, President/Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ian C Duncan MD Inc's NPI active?
- Yes — Ian C Duncan MD Inc's NPI (1720340573) is active in the NPPES registry as of the last update on 2012-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.