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Compare the published Medicare service mix of Tao Ming Thomas Chia, M.D. with clinicians in the same registry specialty: Ophthalmology.

LOS ANGELES, CA · Exact areaEdit location

2024 published service data · 168 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Kristina Voss

Ophthalmology · Los Angeles, 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)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Measurement of corneal curvature and depth of eye (92136)
85%Service-mix similarityView profile →

Roger Duncan Johnson, M.D.

Ophthalmology · Los Angeles, 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)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Measurement of corneal curvature and depth of eye (92136)
80%Service-mix similarityView profile →

Julie Schallhorn, M.D.

Ophthalmology · Los Angeles, 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)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Measurement of corneal curvature and depth of eye (92136)
80%Service-mix similarityView profile →

Neda Shamie, M.D.

Ophthalmology · Los Angeles, 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)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Measurement of corneal curvature and depth of eye (92136)
79%Service-mix similarityView profile →

David Rex Hamilton, OD

Ophthalmology · Los Angeles, 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)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Measurement of corneal curvature and depth of eye (92136)
78%Service-mix similarityView profile →

Shaleen L Belani, M.D.

Ophthalmology · Los Angeles, 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)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Measurement of corneal curvature and depth of eye (92136)
77%Service-mix similarityView profile →

Annie Nguyen, M.D.

Ophthalmology · Los Angeles, 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)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Measurement of corneal curvature and depth of eye (92136)
77%Service-mix similarityView profile →

Kevin Michael Miller, MD

Ophthalmology · Los Angeles, 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)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Measurement of corneal curvature and depth of eye (92136)
74%Service-mix similarityView profile →

Richard Casey, MD

Ophthalmology · Los Angeles, 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)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Measurement of corneal curvature and depth of eye (92136)
74%Service-mix similarityView profile →

Nicole Renee Fram, MD

Ophthalmology · Los Angeles, 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)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Measurement of corneal curvature and depth of eye (92136)
73%Service-mix similarityView profile →

Jun-Min Martin Heur, M.D., PH.D.

Ophthalmology · Los Angeles, 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)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Measurement of corneal curvature and depth of eye (92136)
73%Service-mix similarityView profile →

Barry Scott Seibel, M.D.

Ophthalmology · Los Angeles, 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)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Measurement of corneal curvature and depth of eye (92136)
72%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.