Physician Profile
Unclaimed ProfileAbout DUNCAN
Based in Ventura, CA, Thomas Kobina Duncan, DO is listed in the NPI registry under general surgery. Thomas graduated from Midwestern University, Chicago College of Osteopathic Med in 1992. Thomas is also listed as specialising in surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Duncan specialise in?
Dr. Duncan is a general surgeon in Ventura, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
Where is Dr. Duncan located?
Dr. Duncan is listed at 300 HILLMONT AVE STE 401, Ventura, CA 93003. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Duncan's phone number?
The number on file is (805) 652-6201. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Duncan?
Dr. Duncan's National Provider Identifier is 1316097439. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Duncan go to medical school?
Dr. Duncan attended Midwestern University, Chicago College of Osteopathic Med, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Duncan have?
Dr. Duncan has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Duncan do most often?
According to Medicare billing data, Dr. Duncan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Duncan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Duncan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (805) 652-6201
- Email not available
Practice Locations
300 HILLMONT AVE STE 401
Ventura, CA 93003
Procedures Most Often Billed to Medicare
72 services · 61 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
25 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
24 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
23 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other general surgeons in Ventura 8
Same specialty, same city.
Trained at Midwestern University, Chicago College of Osteopathic Med 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1992 at Midwestern University, Chicago College of Osteopathic Med 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.