A DIFFERENT WAY TO EXPLORE

Similar work.
More providers to explore.

Compare the published Medicare service mix of Harold Daniel Blackwood, PHD with clinicians in the same registry specialty: Clinical Psychologist (CMS).

PHOENIX, AZ · Exact areaEdit location

2024 published service data · 19 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Evan Rubin, PSYD

Clinical Psychologist (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • Administration of psychological or neuropsychological test, each additional 30 minutes (96137)
  • Administration of psychological or neuropsychological test, first 30 minutes (96136)
  • Evaluation of neuropsychological test, first hour (96132)
90%Service-mix similarityView profile →

Ramaswamy Kavitha Perumparaichallai, PH.D.

Clinical Psychologist (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • Administration of psychological or neuropsychological test, each additional 30 minutes (96137)
  • Administration of psychological or neuropsychological test, first 30 minutes (96136)
  • Evaluation of neuropsychological test, first hour (96132)
89%Service-mix similarityView profile →

Brittney Paige Jessick, PSY.D.

Clinical Psychologist (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • Administration of psychological or neuropsychological test, each additional 30 minutes (96137)
  • Administration of psychological or neuropsychological test, first 30 minutes (96136)
  • Evaluation of neuropsychological test, first hour (96132)
83%Service-mix similarityView profile →

Pelin D Strebler, PH.D.

Clinical Psychologist (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • Administration of psychological or neuropsychological test, each additional 30 minutes (96137)
  • Administration of psychological or neuropsychological test, first 30 minutes (96136)
  • Evaluation of neuropsychological test, first hour (96132)
67%Service-mix similarityView profile →

Surabhi Yeshwant Patwardhan, PH.D.

Clinical Psychologist (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • Administration of psychological or neuropsychological test, first 30 minutes (96136)
  • Psychiatric diagnostic evaluation (90791)
  • Evaluation of neuropsychological test, first hour (96132)
66%Service-mix similarityView profile →

George P Prigatano, PH.D.

Clinical Psychologist (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • Administration of psychological or neuropsychological test, each additional 30 minutes (96137)
  • Administration of psychological or neuropsychological test, first 30 minutes (96136)
  • Evaluation of neuropsychological test, first hour (96132)
66%Service-mix similarityView profile →

Krista Hanson, PH.D.

Clinical Psychologist (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • Psychiatric diagnostic evaluation (90791)
  • Evaluation of neuropsychological test, first hour (96132)
  • Evaluation of neuropsychological test, each additional hour (96133)
53%Service-mix similarityView profile →

Danielle Eagan, PH.D.

Clinical Psychologist (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • Psychiatric diagnostic evaluation (90791)
  • Evaluation of neuropsychological test, first hour (96132)
  • Evaluation of neuropsychological test, each additional hour (96133)
52%Service-mix similarityView profile →

Caleb Mark Pearson, PSY.D.

Clinical Psychologist (CMS) · Phoenix, AZ

Shared published services
2 shared services · view billing descriptions
  • Evaluation of neuropsychological test, first hour (96132)
  • Evaluation of neuropsychological test, each additional hour (96133)
49%Service-mix similarityView profile →

Brian Paul Klinck, PSYD

Clinical Psychologist · Psychiatry (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • Psychiatric diagnostic evaluation (90791)
  • Evaluation of neuropsychological test, first hour (96132)
  • Evaluation of neuropsychological test, each additional hour (96133)
44%Service-mix similarityView profile →

Amy L Knapp, PSY.D., NCSP

Clinical Psychologist (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • Psychiatric diagnostic evaluation (90791)
  • Evaluation of neuropsychological test, first hour (96132)
  • Evaluation of neuropsychological test, each additional hour (96133)
43%Service-mix similarityView profile →

Esteban Viruet Sanchez, PHD

Clinical Psychologist (CMS) · Phoenix, AZ

Shared published services
2 shared services · view billing descriptions
  • Evaluation of neuropsychological test, first hour (96132)
  • Evaluation of neuropsychological test, each additional hour (96133)
39%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.