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

Thomas Kobina Duncan, DO

Individual provider Surgery Physician · NPI 1316097439

Thomas Kobina Duncan, DO is a General Surgery in Ventura, California. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1992, 34 years ago. Practices with Ventura County Surgical Associates, an 11-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
34
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
CA
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

300 Hillmont Ave Ste 401
Ventura, CA 93003-1651
Phone: (805) 652-6201
Fax: (805) 641-4416
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 20A6490 (CA)

Record details

NPI number1316097439
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 11, 2007
Last updated in NPPESMay 20, 2026
Certification dateMay 20, 2026
Mailing address300 Hillmont Ave Ste 401, Ventura, CA 93003-1651

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1992 (34 years in practice)
Group practice Ventura County Surgical Associates — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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