Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ian Charles Duncan, MD

Individual provider Orthopaedic Surgery Physician · NPI 1982866927

Ian Charles Duncan, MD is an Orthopedic Surgery in Visalia, California. Qualified in 2006, 20 years ago. Practices with Sequoia Multispecialty Medical Group, a 4-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
20
Licensed in
CA
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

820 S Akers 220
Visalia, CA 93277-8309
Phone: (559) 733-3346
Fax: (559) 733-5059
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence A120183 (CA)
Sports Medicine (Orthopaedic Surgery) Physician Taxonomy 207XX0005X · Licence A120183 (CA)

Record details

NPI number1982866927
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 1, 2008
Last updated in NPPESNovember 7, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Also practisesHAND SURGERY, SPORTS MEDICINE
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Sequoia Multispecialty Medical Group — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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