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Compare the published Medicare service mix of Genna M Losinski, PH.D. with clinicians in the same registry specialty: Clinical Psychologist (CMS).

HOLLAND, MI · 50 milesEdit location
Within 50 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 · 26 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Morris David Edwards, PHD

Clinical Psychologist (CMS) · Kalamazoo, MI

Shared published services
1 shared services · view billing descriptions
  • Psychotherapy, 45 minutes (90834)
87%Service-mix similarity~42.5 milesView profile →

Jeffrey F. Porter, PH.D.

Clinical Psychologist (CMS) · Grand Rapids, MI

Shared published services
2 shared services · view billing descriptions
  • Psychotherapy, 45 minutes (90834)
  • Psychiatric diagnostic evaluation (90791)
83%Service-mix similarity~26.7 milesView profile →

Richard Lee Vaughn, PH.D.

Clinical Psychologist (CMS) · Grand Rapids, MI

Shared published services
2 shared services · view billing descriptions
  • Psychotherapy, 45 minutes (90834)
  • Psychiatric diagnostic evaluation (90791)
74%Service-mix similarity~30.6 milesView profile →

Courtney Golding, PHD

Clinical Psychologist (CMS) · Grand Rapids, MI

Shared published services
2 shared services · view billing descriptions
  • Psychotherapy, 45 minutes (90834)
  • Psychiatric diagnostic evaluation (90791)
71%Service-mix similarity~30.6 milesView profile →

Julie Meredith Davis, LP

Clinical Psychologist (CMS) · Kalamazoo, MI

Shared published services
2 shared services · view billing descriptions
  • Psychotherapy, 45 minutes (90834)
  • Psychiatric diagnostic evaluation (90791)
55%Service-mix similarity~41.6 milesView profile →

Treg Allen Thomas, PSY.D.

Clinical Psychologist (CMS) · Grand Rapids, MI

Shared published services
1 shared services · view billing descriptions
  • Psychiatric diagnostic evaluation (90791)
50%Service-mix similarity~30.6 milesView profile →

Anthony G Bonita, PHD

Clinical Psychologist (CMS) · Grand Rapids, MI

Shared published services
1 shared services · view billing descriptions
  • Psychiatric diagnostic evaluation (90791)
50%Service-mix similarity~26.7 milesView profile →

Paul Critelli, PH.D.

Specialty details in registry · Grand Rapids, MI

Shared published services
1 shared services · view billing descriptions
  • Psychiatric diagnostic evaluation (90791)
39%Service-mix similarity~27.5 milesView profile →

Robert Francis Morrell, PHD

Clinical Psychologist (CMS) · Grand Rapids, MI

Shared published services
1 shared services · view billing descriptions
  • Psychiatric diagnostic evaluation (90791)
39%Service-mix similarity~30.5 milesView profile →

Eric Willmarth, PHD

Clinical Psychologist (CMS) · Grand Rapids, MI

Shared published services
1 shared services · view billing descriptions
  • Psychiatric diagnostic evaluation (90791)
35%Service-mix similarity~30.6 milesView profile →

Tatiana Rodriguez-Klein, PH.D.

Clinical Psychologist (CMS) · Grand Rapids, MI

Shared published services
1 shared services · view billing descriptions
  • Psychiatric diagnostic evaluation (90791)
35%Service-mix similarity~30.6 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.