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Compare the published Medicare service mix of Andrew Il Yang, MD with clinicians in the same registry specialty: Neurosurgery (CMS).

PHOENIX, AZ · Exact areaEdit location

2024 published service data · 43 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Nikolay Martirosyan, MD, PHD

Neurosurgery (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
45%Service-mix similarityView profile →

Dilantha B. Ellegala, MD

Neurosurgery (CMS) · Phoenix, AZ

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
44%Service-mix similarityView profile →

Mark K Lyons, M.D.

Specialty details in registry · Phoenix, AZ

Shared published services
2 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
43%Service-mix similarityView profile →

Jose A Menendez, MD

Neurosurgery (CMS) · Phoenix, AZ

Shared published services
2 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
42%Service-mix similarityView profile →

Bryan S Lee, M.D.

Neurosurgery (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
39%Service-mix similarityView profile →

Joshua Bakhsheshian, MD, MHA

Neurosurgery (CMS) · Phoenix, AZ

Shared published services
2 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
39%Service-mix similarityView profile →

Daniel Dutra Cavalcanti, MD, PHD

Interventional Radiology · Neurosurgery (CMS) · Phoenix, AZ

Shared published services
2 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
37%Service-mix similarityView profile →

Zaman Zacharya Mirzadeh, MD, PHD

Neurosurgery (CMS) · Phoenix, AZ

Shared published services
2 shared services · view billing descriptions
  • Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
36%Service-mix similarityView profile →

Erik I Curtis, M.D., M.S.

Neurosurgery (CMS) · Phoenix, AZ

Shared published services
2 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
34%Service-mix similarityView profile →

Na Tosha Na Chole Gatson, MD, PHD,FAAN

Neurology (CMS) · Phoenix, AZ

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
33%Service-mix similarityView profile →

Karam Moon, MD

Neurosurgery (CMS) · Phoenix, AZ

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
33%Service-mix similarityView profile →

Anna Lea Huguenard, MD

Neurosurgery (CMS) · Phoenix, AZ

Shared published services
1 shared services · view billing descriptions
  • Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)
32%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.