THOMAS KOBINA DUNCAN DO
NPI 1316097439
Surgery in Ventura, CA
About Thomas Kobina Duncan Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS KOBINA DUNCAN DO (NPI 1316097439) is an individual surgery provider in Ventura, California, licensed in California (20A6490) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (1992).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Thomas Kobina Duncan Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Thomas Duncan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ventura, CA 93003
- Reassigned Medicare billing, California enrollment
- 710 clinicians in this Medicare group
Ventura, CA 93003
- Reassigned Medicare billing, California enrollment
- 19 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VENTURA, CA 93003
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Thomas Duncan's NPI number?
The NPI number for Thomas Duncan is 1316097439. It was assigned to this individual provider in the NPPES registry on January 11, 2007.
Where is Thomas Duncan located?
Thomas Duncan practices at 300 Hillmont Ave Ste 401, Ventura, CA 93003. The listed phone number is (805) 652-6201.
What is Thomas Duncan's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Thomas Duncan enrolled in Medicare?
Yes. Thomas Duncan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Thomas Duncan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Duncan reassigns Medicare benefits to 2 organizations: County Of Ventura (Ventura, CA) and Ventura County Surgical Associates (Ventura, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Duncan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Thomas Duncan was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Thomas Kobina Duncan, DO · NPI 1316097439
Surgery physician in Ventura, California. Individual provider, active in the CMS NPPES registry since January 11, 2007.
## Identity
- **NPI:** 1316097439 (Entity type: Individual)
- **Enumerated:** January 11, 2007
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 20A6490 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 HILLMONT AVE STE 401, Ventura, CA 93003-1651
- **Phone:** (805) 652-6201 · **Fax:** (805) 641-4416
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): County Of Ventura (NPI 1619118569, Ventura, CA); Ventura County Surgical Associates (NPI 1740892686, Ventura, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 1992
## Record status
- **NPPES last updated:** May 20, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1316097439) · Data from the CMS NPPES public registry.