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Compare the published Medicare service mix of James Chong, M.D. with clinicians in the same registry specialty: Ophthalmology.

HOUSTON, TX · Exact areaEdit location

2024 published service data · 152 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Sushma Yalamanchili, MD

Ophthalmology · Houston, TX

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)
  • Exam of visual field with extended testing (92083)
64%Service-mix similarityView profile →

Iyza Baig, MD

Ophthalmology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Exam of the internal drainage system of eye (92020)
  • 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)
63%Service-mix similarityView profile →

Rana Rahman Ghauri, M.D.

Ophthalmology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Exam of the internal drainage system of eye (92020)
  • 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)
56%Service-mix similarityView profile →

Dean Priest Porter, M.D.

Ophthalmology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Exam of the internal drainage system of eye (92020)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Extended exam of the back part of the eye with optic nerve drawing (92202)
55%Service-mix similarityView profile →

Joseph Anthony Khawly, MD

Ophthalmology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Exam of the internal drainage system of eye (92020)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Extended exam of the back part of the eye with optic nerve drawing (92202)
54%Service-mix similarityView profile →

Vasavi Malineni, M.D.

Ophthalmology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Exam of the internal drainage system of eye (92020)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Extended exam of the back part of the eye with optic nerve drawing (92202)
54%Service-mix similarityView profile →

Chaow Charoenkijkajorn, MD

Ophthalmology · Houston, TX

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)
  • Exam of visual field with extended testing (92083)
53%Service-mix similarityView profile →

Caroline Marie Schmidt

Ophthalmology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Exam of the internal drainage system of eye (92020)
  • 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)
50%Service-mix similarityView profile →

Alan Jarrett, M.D.

Ophthalmology · Houston, TX

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)
  • Exam of visual field with extended testing (92083)
50%Service-mix similarityView profile →

Tara Hahn, MD

Ophthalmology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Exam of the internal drainage system of eye (92020)
  • 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)
50%Service-mix similarityView profile →

Lauren Sasha Blieden, M.D.

Ophthalmology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Exam of the internal drainage system of eye (92020)
  • 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)
49%Service-mix similarityView profile →

Bac Tien Nguyen, M.D.

Ophthalmology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Exam of the internal drainage system of eye (92020)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Exam of visual field with extended testing (92083)
48%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.