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Compare the published Medicare service mix of Marla M Gandara, M.D. with clinicians in the same registry specialty: Emergency Medicine · Hospice/Palliative Care (CMS).

CA · Exact areaEdit location

2024 published service data · 10 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Lisa Raptis, M.D.

Emergency Medicine · Hospice/Palliative Care (CMS) · Pomona, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
68%Service-mix similarityView profile →

Maria De Lourdes Ladino Sturchler, M.D.

Emergency Medicine · Hospice/Palliative Care (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Advance care planning, first 30 minutes (99497)
64%Service-mix similarityView profile →

Shelena Dawn Laws, M.D.

Hospice/Palliative Care (CMS) · Roseville, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
59%Service-mix similarityView profile →

Allen Yang, DO

Emergency Medicine (CMS) · Duarte, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
55%Service-mix similarityView profile →

Austin Joseph Causey, MD

Emergency Medicine (CMS) · Oakland, CA

Shared published services
3 shared services · view billing descriptions
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Emergency department visit with high level of medical decision making (99285)
52%Service-mix similarityView profile →

Joseph Vega, DO

Hospice/Palliative Care (CMS) · Duarte, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
51%Service-mix similarityView profile →

Llorens Joseph Pembrook, MD

Internal Medicine (CMS) · Van Nuys, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Critical care, first 30-74 minutes (99291)
48%Service-mix similarityView profile →

Nitin Ubhayakar, MD

Emergency Medicine · Hospice/Palliative Care (CMS) · Pasadena, CA

Shared published services
3 shared services · view billing descriptions
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Emergency department visit with high level of medical decision making (99285)
  • Critical care, first 30-74 minutes (99291)
44%Service-mix similarityView profile →

Megan C Swan, M.D.

Hospice/Palliative Care (CMS) · Fremont, CA

Shared published services
3 shared services · view billing descriptions
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Advance care planning, first 30 minutes (99497)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
34%Service-mix similarityView profile →

Brandon Todd Perkovich, MD, MBA

Hospice/Palliative Care (CMS) · Sunnyvale, CA

Shared published services
1 shared services · view billing descriptions
  • Advance care planning, first 30 minutes (99497)
13%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.