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Compare the published Medicare service mix of Stanley K Chou, M.D. with clinicians in the same registry specialty: Anesthesiology (CMS).

CA · Exact areaEdit location

2024 published service data · 310 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Roger Moon, M.D.

Anesthesiology (CMS) · Las Alamitos, CA

Shared published services
3 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)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
88%Service-mix similarityView profile →

Aaron Joseph Przybysz, MD

Pain Management (CMS) · Huntington Beach, CA

Shared published services
3 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)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level (64484)
75%Service-mix similarityView profile →

Udaya Desilva, M.D.

Anesthesiology · Pain Management (CMS) · Palmdale, CA

Shared published services
3 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)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level (64484)
73%Service-mix similarityView profile →

Rajesh Ashok Patel, MD

Anesthesiology · Pain Management (CMS) · Vista, CA

Shared published services
3 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)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level (64484)
73%Service-mix similarityView profile →

Victor Li, MD

Pain Management (CMS) · Santa Cruz, CA

Shared published services
3 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)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level (64484)
72%Service-mix similarityView profile →

Taher Mir Saifullah, M.D.

Pain Management (CMS) · Pasadena, CA

Shared published services
3 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)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level (64484)
71%Service-mix similarityView profile →

Graham Reimer, M.D.

Anesthesiology · Pain Management (CMS) · Santa Barbara, CA

Shared published services
3 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)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level (64484)
70%Service-mix similarityView profile →

Emanuel John Zusmer, M.D.

Anesthesiology (CMS) · Santa Barbara, CA

Shared published services
3 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)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level (64484)
70%Service-mix similarityView profile →

Gregory Vassilev, MD

Anesthesiology · Pain Management (CMS) · Van Nuys, CA

Shared published services
3 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)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level (64484)
70%Service-mix similarityView profile →

Mohammad A Khan, M.D.

Anesthesiology · Pain Management (CMS) · Riverside, CA

Shared published services
3 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)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level (64484)
68%Service-mix similarityView profile →

Ankush Bansal, M.D.

Pain Management (CMS) · Carlsbad, CA

Shared published services
3 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)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level (64484)
68%Service-mix similarityView profile →

Matthew Eugene Harris, M.D.

Anesthesiology · Pain Management (CMS) · Laguna Hills, CA

Shared published services
3 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)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level (64484)
67%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.