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- 501 N Old Wilderness Rd, Nixa, MO 65714
About Dr. Duff
Based in Nixa, MO, Brian J. Duff, MD is listed in the NPI registry under family practice. Brian is also listed as specializing in family medicine. Medicare claims data shows Brian provided 1,159 services to 742 patients. The services billed most often include insertion of needle into vein for collection of blood sample, injection, triamcinolone acetonide, not otherwise specified, 10 mg, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1447411145 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (417) 269-2227
- Email not available
Practice Locations
501 N OLD WILDERNESS RD
Nixa, MO 65714
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive
- Acid reflux
- IBS
Genitourinary and reproductive
- Erectile dysfunction
- Heavy periods
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
- Acute bronchitis
- Asthma
- Sinus infection
Skin
Common childhood and ear conditions
- Ear infection
- Pink eye
Pain & Joints
- Arthritis
- Back pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
- Birth control counseling
- Smoking cessation counseling
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
- Pulmonary function test
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
- Breathing Treatment
Senior Care
- Cognitive Assessment
Sexual & Reproductive Health
- STD Swabs and Screening
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
1,159 services · 742 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
351 | More often than most peers in Family Practice |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
24 | As often as other peers in Family Practice |
| Influenza vaccine, inactivated | Treatment | 90653 |
19 | Less often than most peers in Family Practice |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
216 | More often than most peers in Family Practice |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
210 | As often as other peers in Family Practice |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
193 | More often than most peers in Family Practice |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
80 | As often as other peers in Family Practice |
| Administration of influenza virus vaccine | Billing code | G0008 |
21 | Less often than most peers in Family Practice |
| Automated urinalysis test | Lab test | 81003 |
19 | Less often than most peers in Family Practice |
| 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 | Less often than most peers in Family Practice |
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.
Common questions
What kind of doctor is Dr. Duff?
Dr. Duff is a family practice in Nixa, MO. That is the designation recorded for this NPI in the federal registry.
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. Contact the office directly to confirm availability and scheduling.
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.
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