Physician Profile
Timothy K. Duffin, MD is a healthcare provider in Clarksville, TN specializing in urology. Timothy trained at Georgetown University School of Medicine, graduating in 1988. Timothy is also listed as specializing in pediatric urology. Medicare claims data shows Timothy provided 3,444 services to 2,391 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, urinalysis, manual test, and ultrasound measurement of bladder capacity after voiding.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
800 WEATHERLY DR STE 100L
Clarksville, TN 37043
Within Urology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Bladder and urethra
Kidney and ureter
Male reproductive and sexual health
Prostate
Urinary symptoms and infection
Bladder & Urination
Kidney health
Men's health
Urinary symptoms
Most searched procedures
Office diagnosis
Bladder procedures
Diagnostic imaging
Kidney & ureter procedures
Kidney and ureter surgery
Male reproductive
Prostate
Prostate procedures
Stone procedures
3,444 services · 2,391 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
731 | More than most peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
50 | As often as other peers in Urology |
| Biopsy of prostate gland | Procedure | 55700 |
26 | As often as other peers in Urology |
| Insertion of temporary bladder tube | Procedure | 51701 |
13 | Less often than most peers in Urology |
| Ultrasound scan of pelvic region through rectum | Imaging | 76872 |
29 | As often as other peers in Urology |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
26 | More often than most peers in Urology |
| Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96402 |
26 | Less often than most peers in Urology |
| Leuprolide acetate (for depot suspension), 7.5 mg | Drug given | J9217 |
78 | Less often than most peers in Urology |
| Injection, garamycin, gentamicin, up to 80 mg | Drug given | J1580 |
28 | As often as other peers in Urology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
956 | More than most peers in Urology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Duffin is an urologist in Clarksville, TN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Dr. Duffin is listed at 800 Weatherly Dr Ste 100L, Clarksville, TN 37043. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (931) 553-2800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Duffin's National Provider Identifier is 1144291527. 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
Dr. Duffin attended Georgetown University School of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
Dr. Duffin has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Duffin performs procedures including ultrasound measurement of bladder capacity after voiding, diagnostic exam of bladder and urethra using an endoscope and biopsy of prostate gland; reads or performs imaging such as ultrasound scan of pelvic region through rectum and ultrasonic guidance for needle placement; provides treatments such as administration of hormonal anti-neoplastic chemotherapy under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Duffin. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.