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Compare the published Medicare service mix of Chiadikaobi Uchendu Onyike, M.D. with clinicians in the same registry specialty: Psychiatry.

BALTIMORE, MD · Exact areaEdit location

2024 published service data · 162 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Traci Jenelle Speed, M.D., PH.D.

Psychiatry · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
77%Service-mix similarityView profile →

Bernadette Anne Marie Goggins, M.D.

Psychiatry · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
70%Service-mix similarityView profile →

Susan Lehmann, M.D.

Psychiatry · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
68%Service-mix similarityView profile →

Paul Nestadt, M.D.

Psychiatry · Baltimore, MD

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
67%Service-mix similarityView profile →

Russell Margolis, M.D.

Psychiatry · Baltimore, MD

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
67%Service-mix similarityView profile →

Paul Moonwhan Kim, M.D., PH.D.

Psychiatry · Baltimore, MD

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
67%Service-mix similarityView profile →

Sandeep Nayak, MD

Psychiatry · Baltimore, MD

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
67%Service-mix similarityView profile →

Graham Wester Redgrave, M.D.

Psychiatry · Baltimore, MD

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
67%Service-mix similarityView profile →

Elizabeth Kastelic, M.D.

Psychiatry · Baltimore, MD

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
67%Service-mix similarityView profile →

Karen Swartz, M.D.

Psychiatry · Baltimore, MD

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
67%Service-mix similarityView profile →

Vassilis Eleftherios Koliatsos, MD

Psychiatry · Baltimore, MD

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
60%Service-mix similarityView profile →

Christopher Morrow

Psychiatry · Baltimore, MD

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
59%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.