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Compare the published Medicare service mix of Yelena Zak, PA-C with clinicians in the same registry specialty: Physician Assistant (CMS).

LOS ANGELES, CA · Exact areaEdit location

2024 published service data · 67 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Ashley Kita

Otolaryngology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of impacted ear wax (69210)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
90%Service-mix similarityView profile →

Elisabeth Dimelis Henderson Ference, MD

Otolaryngology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of impacted ear wax (69210)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
86%Service-mix similarityView profile →

Ankona Ghosh, MD

Otolaryngology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of impacted ear wax (69210)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
85%Service-mix similarityView profile →

Elizabeth Ann Shuman, MD

Otolaryngology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of impacted ear wax (69210)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
83%Service-mix similarityView profile →

Kimanh Duong Nguyen, M.D.

Otolaryngology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of impacted ear wax (69210)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Diagnostic exam of voice box using a flexible endoscope (31575)
80%Service-mix similarityView profile →

Christina Marie Mcalpin, M.D.

Otolaryngology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of impacted ear wax (69210)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Diagnostic exam of voice box using a flexible endoscope (31575)
80%Service-mix similarityView profile →

Michael Anthony Holliday, M.D.

Otolaryngology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of impacted ear wax (69210)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
78%Service-mix similarityView profile →

Seiji Bruce Shibata, M.D. PH.D.

Otolaryngology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of impacted ear wax (69210)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
77%Service-mix similarityView profile →

Paul A Kedeshian, MD

Otolaryngology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of impacted ear wax (69210)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
77%Service-mix similarityView profile →

Michel Babajanian, M.D.

Otolaryngology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of impacted ear wax (69210)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
77%Service-mix similarityView profile →

Nathan Tu, M.D.

Otolaryngology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of impacted ear wax (69210)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
76%Service-mix similarityView profile →

Amy P Bansal, M.D.

Otolaryngology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of impacted ear wax (69210)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
75%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.