A DIFFERENT WAY TO EXPLORE

Similar work.
More providers to explore.

Compare the published Medicare service mix of Joseph William Schmitz, M.D. with clinicians in the same registry specialty: Ophthalmology.

SAN DIEGO, CA · Exact areaEdit location

2024 published service data · 68 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Alex Ansun Huang, MD

Ophthalmology · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Removal of cataract with insertion of prosthetic lens (66984)
  • Ultrasound scan to determine eye length and lens power (76519)
65%Service-mix similarityView profile →

Sidney Tan Chang, MD

Ophthalmology · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Removal of cataract with insertion of prosthetic lens (66984)
  • Removal of recurring cataract in lens capsule using a laser (66821)
65%Service-mix similarityView profile →

Brian B Le, MD

Ophthalmology · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Removal of cataract with insertion of prosthetic lens (66984)
  • Removal of recurring cataract in lens capsule using a laser (66821)
63%Service-mix similarityView profile →

Ryan Phan, MD

Ophthalmology · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Removal of cataract with insertion of prosthetic lens (66984)
  • Removal of recurring cataract in lens capsule using a laser (66821)
60%Service-mix similarityView profile →

Paul Dong Huynh, M.D.

Ophthalmology · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Removal of cataract with insertion of prosthetic lens (66984)
  • Removal of recurring cataract in lens capsule using a laser (66821)
59%Service-mix similarityView profile →

Catherine Ruth Sheils, MD

Ophthalmology · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Removal of cataract with insertion of prosthetic lens (66984)
  • Removal of recurring cataract in lens capsule using a laser (66821)
57%Service-mix similarityView profile →

Robert N. Weinreb, MD

Ophthalmology · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of cataract with insertion of prosthetic lens (66984)
  • Removal of recurring cataract in lens capsule using a laser (66821)
  • Ultrasound scan to determine eye length and lens power (76519)
57%Service-mix similarityView profile →

Reuben T. Yoo, M.D.

Ophthalmology · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of cataract with insertion of prosthetic lens (66984)
  • Removal of recurring cataract in lens capsule using a laser (66821)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
56%Service-mix similarityView profile →

Anna T Do, M.D.

Ophthalmology · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Removal of cataract with insertion of prosthetic lens (66984)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
56%Service-mix similarityView profile →

Gitane Patel, MD

Ophthalmology · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Removal of cataract with insertion of prosthetic lens (66984)
  • Removal of recurring cataract in lens capsule using a laser (66821)
55%Service-mix similarityView profile →

Mark Evan Warlen, MD

Ophthalmology · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Removal of cataract with insertion of prosthetic lens (66984)
  • Removal of recurring cataract in lens capsule using a laser (66821)
55%Service-mix similarityView profile →

Christopher William Dana Heichel, M.D.

Ophthalmology · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Removal of recurring cataract in lens capsule using a laser (66821)
  • Ultrasound scan to determine eye length and lens power (76519)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
54%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.