Physician Profile
Unclaimed ProfileAbout DUFF
Based in Nixa, MO, Brian James Duff, MD is listed in the NPI registry under family practice. Brian is also listed as specialising in family medicine.
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 kind of doctor is Dr. Duff?
Dr. Duff is a family practice in Nixa, MO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
What is Dr. Duff's address?
Dr. Duff is listed at 501 N OLD WILDERNESS RD, Nixa, MO 65714. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Duff?
The number on file is (417) 269-2227. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Duff?
Dr. Duff's National Provider Identifier is 1447411145. 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. Duff train?
Dr. Duff attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Duff have?
Dr. Duff has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Duff perform?
According to Medicare billing data, Dr. Duff performs procedures including insertion of needle into vein for collection of blood sample and aspiration and/or injection of fluid from large joint; provides treatments such as influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Duff's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Duff. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (417) 269-2227
- Email not available
Practice Locations
501 N OLD WILDERNESS RD
Nixa, MO 65714
Procedures Most Often Billed to Medicare
1,159 services · 742 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
351 |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
24 |
| Influenza vaccine, inactivated | Treatment | 90653 |
19 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
216 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
210 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
193 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
80 |
| Administration of influenza virus vaccine | Billing code | G0008 |
21 |
| Automated urinalysis test | Lab test | 81003 |
19 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 4
Same specialty, same street address — most likely the same department or group.
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.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in MO who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.