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Compare the published Medicare service mix of Casey Ellis Duncan, MD with clinicians in the same registry specialty: Radiation Oncology (CMS).

IL · Exact areaEdit location

2024 published service data · 176 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Steven J Damore, M.D.

Radiation Oncology (CMS) · Champaign, IL

Shared published services
3 shared services · view billing descriptions
  • Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Continuing radiation therapy consultation per week (77336)
62%Service-mix similarityView profile →

Harold A Yoon, MD

Radiation Oncology (CMS) · Decatur, IL

Shared published services
3 shared services · view billing descriptions
  • Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)
  • Radiation treatment management, 5 treatment sessions (77427)
  • Insertion of needle into vein for collection of blood sample (36415)
62%Service-mix similarityView profile →

Randall James Brenneman, MD

Radiation Oncology (CMS) · Springfield, IL

Shared published services
3 shared services · view billing descriptions
  • Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Continuing radiation therapy consultation per week (77336)
59%Service-mix similarityView profile →

Daniel J Ferraro, M.D., PHD

Radiation Oncology (CMS) · Springfield, IL

Shared published services
3 shared services · view billing descriptions
  • Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Continuing radiation therapy consultation per week (77336)
58%Service-mix similarityView profile →

Nasiruddin Mohammed

Radiation Oncology (CMS) · Warrenville, IL

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)
  • Continuing radiation therapy consultation per week (77336)
  • Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)
58%Service-mix similarityView profile →

Jacob Samuel Witt, M.D.

Radiation Oncology (CMS) · O Fallon, IL

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)
  • Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)
  • Radiation treatment management, 5 treatment sessions (77427)
58%Service-mix similarityView profile →

Haider A Shirazi, M.D.

Radiation Oncology (CMS) · Tinley Park, IL

Shared published services
3 shared services · view billing descriptions
  • Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Continuing radiation therapy consultation per week (77336)
58%Service-mix similarityView profile →

Shwetha Manjunath, M.D.

Radiation Oncology (CMS) · Geneva, IL

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)
  • Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)
  • Radiation treatment management, 5 treatment sessions (77427)
57%Service-mix similarityView profile →

Brett Wayne Cox, M.D.

Radiation Oncology (CMS) · Chicago Ridge, IL

Shared published services
3 shared services · view billing descriptions
  • Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Continuing radiation therapy consultation per week (77336)
56%Service-mix similarityView profile →

Faisal Sabir Vali, M.D.

Radiation Oncology (CMS) · Palos Heights, IL

Shared published services
3 shared services · view billing descriptions
  • Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Continuing radiation therapy consultation per week (77336)
56%Service-mix similarityView profile →

Jayant V Ginde, MD

Radiation Oncology (CMS) · Oak Lawn, IL

Shared published services
3 shared services · view billing descriptions
  • Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)
  • Continuing radiation therapy consultation per week (77336)
  • Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)
56%Service-mix similarityView profile →

Harsha Varadhi, MD

Radiation Oncology (CMS) · Oak Lawn, IL

Shared published services
3 shared services · view billing descriptions
  • Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Continuing radiation therapy consultation per week (77336)
56%Service-mix similarityView 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 NPI 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.