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Compare the published Medicare service mix of Joseph Corey Allen, M.D. with clinicians in the same registry specialty: Urology (CMS).

CLAYTON, NC · 25 milesEdit location
Within 25 miles · Approximate ZIP-area distance

Approximate straight-line distances between ZIP-area centers; a city search starts from the average of its ZIP centers. Uses the primary reported practice ZIP, not an exact office address or driving distance. Records without matched coordinates are excluded. How distance works

2024 published service data · 40 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Jordan Thomas Brady, M.D.

Urology (CMS) · Cary, NC

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound measurement of bladder capacity after voiding (51798)
65%Service-mix similarity~20.0 milesView profile →

Scott Walker Lisson, MD

Urology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound measurement of bladder capacity after voiding (51798)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
63%Service-mix similarity~12.5 milesView profile →

Brandon S Rubens, M.D.

Urology (CMS) · Cary, NC

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound measurement of bladder capacity after voiding (51798)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
63%Service-mix similarity~20.0 milesView profile →

Justin Van Minh Nguyen, MD

Urology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound measurement of bladder capacity after voiding (51798)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
62%Service-mix similarity~23.7 milesView profile →

Josip Vukina, M.D.

Urology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound measurement of bladder capacity after voiding (51798)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
61%Service-mix similarity~12.5 milesView profile →

Robert Dean Matthews, MD

Urology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Diagnostic exam of bladder and urethra using an endoscope (52000)
61%Service-mix similarity~12.5 milesView profile →

Carmin Marco Kalorin, MD

Urology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound measurement of bladder capacity after voiding (51798)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
59%Service-mix similarity~12.5 milesView profile →

Sameer Naren Chawla, M.D.

Urology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound measurement of bladder capacity after voiding (51798)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
59%Service-mix similarity~12.5 milesView profile →

Gjanje L Smith-Mathus, M.D., MPH

Urology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound measurement of bladder capacity after voiding (51798)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
59%Service-mix similarity~12.5 milesView profile →

Ann Young Becker, MD

Urology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound measurement of bladder capacity after voiding (51798)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
58%Service-mix similarity~12.5 milesView profile →

Martus Zheng Quan Gn

Urology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound measurement of bladder capacity after voiding (51798)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
58%Service-mix similarity~17.7 milesView profile →

Ajaydeep Singh Sidhu, MD

Urology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound measurement of bladder capacity after voiding (51798)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
57%Service-mix similarity~12.5 milesView profile →
How this comparison works

We use the same calendar year of CMS Medicare Physician & Other Practitioners data for both providers. Published non-drug service counts are combined by HCPCS code across places of service. We apply log(1 + count), normalize the vectors, and compare them using cosine similarity.

Candidates share the reference provider’s current NPPES primary taxonomy and match the location you enter. We examine up to 500 candidates in approximate distance order, then show up to 12 with the highest positive similarity within that set. The score is not a percentile, medical recommendation, or prediction. Suppressed services are not estimated. Medicare fee-for-service data does not describe a provider’s entire practice.

Source: CMS Medicare Physician & Other Practitioners - by Provider and Service : 2024-12-01 · Published May 21, 2026.