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Compare the published Medicare service mix of John Quigley with clinicians in the same registry specialty: Physician Assistant.

CA · Exact areaEdit location

2024 published service data · 500 eligible profiles compared. This search reached its 500-profile comparison limit, using NPI order. Narrow the location for a more focused comparison. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Brian Montgomery, PA-C

Physician Assistant · Riverside, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Removal of skin and tissue, 20.0 sq cm or less (11042)
  • Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99304)
62%Service-mix similarityView profile →

Aspen Dale Fernando

Physician Assistant · Rocklin, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)
59%Service-mix similarityView profile →

Amane Ali, PA-C

Physician Assistant · San Jose, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
47%Service-mix similarityView profile →

Richard Anthony Benavidez, PA

Physician Assistant · Colton, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)
37%Service-mix similarityView profile →

Tina Phuong Tran

Physician Assistant · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of skin and tissue, 20.0 sq cm or less (11042)
  • Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99304)
  • Removal of skin and tissue, each additional 20.0 sq cm or less (11045)
36%Service-mix similarityView profile →

Jeffrey Ray Landon, PA-C

Physician Assistant · National City, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)
33%Service-mix similarityView profile →

Allison Sessions Best, PA-C

Physician Assistant · San Bernardino, CA

Shared published services
2 shared services · view billing descriptions
  • Removal of skin and tissue, 20.0 sq cm or less (11042)
  • Removal of skin and tissue, each additional 20.0 sq cm or less (11045)
32%Service-mix similarityView profile →

Wei Hang Chen-Wu

Physician Assistant · Ontario, CA

Shared published services
2 shared services · view billing descriptions
  • Removal of skin and tissue, 20.0 sq cm or less (11042)
  • Removal of skin and tissue, each additional 20.0 sq cm or less (11045)
25%Service-mix similarityView profile →

Joseph David Silverstein, P.A.

Physician Assistant · Inglewood, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
23%Service-mix similarityView profile →

Vivian Lo, PA-C

Physician Assistant · Concord, CA

Shared published services
1 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
21%Service-mix similarityView profile →

Brenda Renae Robinson, P.A.-C

Physician Assistant · Temecula, CA

Shared published services
1 shared services · view billing descriptions
  • Removal of skin and tissue, 20.0 sq cm or less (11042)
21%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.