Debra Greenberg, PH.D.
Psychologist · Burbank, CA
Shared published services3 shared services · view billing descriptions
100%Service-mix similarityView profile →
Similar work.
More providers to explore.
Compare the published Medicare service mix of Lisa M Allen, PH.D. with clinicians in the same registry specialty: Psychologist.
CA · Exact areaEdit location
2024 published service data · 335 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.
Fabrice Nye, PH.D.
Psychologist · Redwood City, CA
Shared published services2 shared services · view billing descriptions
83%Service-mix similarityView profile →
Alan Michael Rooney, EDD
Psychologist · Palm Springs, CA
Shared published services2 shared services · view billing descriptions
83%Service-mix similarityView profile →
Lawrence Todd Woodburn, PH.D.
Psychologist · San Diego, CA
Shared published services2 shared services · view billing descriptions
83%Service-mix similarityView profile →
Mark Baker, PH.D
Psychologist · Pasadena, CA
Shared published services2 shared services · view billing descriptions
83%Service-mix similarityView profile →
Elizabeth S Alden, PH.D.
Psychologist · Santa Barbara, CA
Shared published services2 shared services · view billing descriptions
82%Service-mix similarityView profile →
Daniel Sherman, PH.D.
Psychologist · San Pedro, CA
Shared published services3 shared services · view billing descriptions
82%Service-mix similarityView profile →
Vida Nikzad, PSYD
Psychologist · Los Angeles, CA
Shared published services2 shared services · view billing descriptions
82%Service-mix similarityView profile →
Ron Valle, PHD
Psychologist · Los Angeles, CA
Shared published services3 shared services · view billing descriptions
82%Service-mix similarityView profile →
Rodney Martin Brim, PH.D.
Psychologist · Smith River, CA
Shared published services2 shared services · view billing descriptions
82%Service-mix similarityView profile →
Joye Elise Weisel-Barth, PHD/PSYD
Psychologist · Encino, CA
Shared published services2 shared services · view billing descriptions
82%Service-mix similarityView profile →
Catherine Lynn Gray, PSY.D.
Psychologist · Pasadena, CA
Shared published services2 shared services · view billing descriptions
82%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.