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Compare the published Medicare service mix of Leann Bassing, M.D. with clinicians in the same registry specialty: Rheumatology (CMS).

YANKTON, SD · 100 milesEdit location
Within 100 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 · 12 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Kelly L Delaney-Nelson, M.D.

Rheumatology (CMS) · Dakota Dunes, SD

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)
  • Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (96365)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
41%Service-mix similarity~51.5 milesView profile →

Mukund Kumar, MBBS

Rheumatology (CMS) · Norfolk, NE

Shared published services
3 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
40%Service-mix similarity~58.7 milesView profile →

Gregory Eric Mumm, M.D.

Internal Medicine · Rheumatology (CMS) · Sioux Falls, SD

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
38%Service-mix similarity~54.0 milesView profile →

Jessica Sue Mathison Srstka, MD

Rheumatology (CMS) · Sioux Falls, SD

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
38%Service-mix similarity~54.0 milesView profile →

Kelsey A Holkesvik, MD

Rheumatology (CMS) · Sioux Falls, SD

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
35%Service-mix similarity~54.0 milesView profile →

Joseph J Fanciullo, MD

Internal Medicine · Rheumatology (CMS) · Sioux Falls, SD

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
33%Service-mix similarity~54.0 milesView profile →

Wais Afzal, M.D.

Rheumatology (CMS) · Sioux Falls, SD

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
31%Service-mix similarity~55.6 milesView profile →

Baker A. Alkhairi, M.B.B.CH.

Rheumatology (CMS) · Sioux Falls, SD

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
31%Service-mix similarity~55.6 milesView profile →

Mark Thomas Vercel, D.O.

Rheumatology (CMS) · Sioux Falls, SD

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
31%Service-mix similarity~54.0 milesView profile →

Vivek Joseph, MD

Rheumatology (CMS) · Sioux Falls, SD

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
28%Service-mix similarity~55.6 milesView profile →

Kara Linda Petersen, M.D.

Internal Medicine · Rheumatology (CMS) · Sioux Falls, SD

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)
  • Aspiration and/or injection of fluid from large joint (20610)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
24%Service-mix similarity~54.0 milesView profile →

Jenna King-Sona, DO

Rheumatology (CMS) · Sioux Falls, SD

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)
  • Aspiration and/or injection of fluid from large joint (20610)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
23%Service-mix similarity~54.0 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.