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Compare the published Medicare service mix of Mark John Niciu, MD PHD with clinicians in the same registry specialty: Psychiatry.

IOWA CITY, IA · Exact areaEdit location

2024 published service data · 42 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Samuel K Shultz, M.D.

Psychiatry · Iowa City, IA

Shared published services
3 shared services · view billing descriptions
  • Therapy using electrical currents (90870)
  • Treatment using magnetic field to stimulate nerve cells in brain, subsequent delivery and management (90868)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
99%Service-mix similarityView profile →

Anthony Purgianto

Psychiatry · Iowa City, IA

Shared published services
3 shared services · view billing descriptions
  • Therapy using electrical currents (90870)
  • Treatment using magnetic field to stimulate nerve cells in brain, subsequent delivery and management (90868)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
90%Service-mix similarityView profile →

Holly Marie Van Den Beldt, M.D.

Psychiatry · Iowa City, IA

Shared published services
3 shared services · view billing descriptions
  • Therapy using electrical currents (90870)
  • Treatment using magnetic field to stimulate nerve cells in brain, subsequent delivery and management (90868)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
79%Service-mix similarityView profile →

Nicholas Thomas Trapp, M.D.

Psychiatry · Iowa City, IA

Shared published services
2 shared services · view billing descriptions
  • Therapy using electrical currents (90870)
  • Treatment using magnetic field to stimulate nerve cells in brain, subsequent delivery and management (90868)
68%Service-mix similarityView profile →

Desire Christensen, MD

Psychiatry · Iowa City, IA

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
46%Service-mix similarityView profile →

Brigid Alexandra Adviento, MD

Psychiatry · Iowa City, IA

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
46%Service-mix similarityView profile →

Eric A Epping, M.D.

Psychiatry · Iowa City, IA

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
46%Service-mix similarityView profile →

Hristina Kirilova Koleva, M.D.

Psychiatry · Iowa City, IA

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
46%Service-mix similarityView profile →

Christopher E Moreau, MD

Psychiatry · Iowa City, IA

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
40%Service-mix similarityView profile →

Erin M Crocker, MD

Psychiatry · Iowa City, IA

Shared published services
1 shared services · view billing descriptions
  • Therapy using electrical currents (90870)
38%Service-mix similarityView profile →

Joel K Bricker, MD

Psychiatry · Iowa City, IA

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
38%Service-mix similarityView profile →

Michael A Strong, MD

Psychiatry · Iowa City, IA

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
38%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.