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Compare the published Medicare service mix of Paul Hung-Jen Chu, M.D. with clinicians in the same registry specialty: Internal Medicine.

LOS ANGELES, CA · Exact areaEdit location

2024 published service data · 500 eligible profiles compared. This search reached its 500-profile comparison limit, using NPI order. Narrow the location for a more focused comparison. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Kimberly Chan, M.D

Internal Medicine · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
72%Service-mix similarityView profile →

Mark Steven Grossman, MD

Internal Medicine · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Administration of influenza virus vaccine (G0008)
69%Service-mix similarityView profile →

Wilson Ho Park, MD

Internal Medicine · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
68%Service-mix similarityView profile →

Kevin Rael Pimstone, MD

Internal Medicine · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Administration of influenza virus vaccine (G0008)
65%Service-mix similarityView profile →

Aparna K. Miano, M.D.

Internal Medicine · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Administration of influenza virus vaccine (G0008)
64%Service-mix similarityView profile →

Missak Kltchian, MD

Internal Medicine · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
62%Service-mix similarityView profile →

Bahman Lalezari, MD

Internal Medicine · Los Angeles, CA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
62%Service-mix similarityView profile →

David Scott Zingmond, MD

Internal Medicine · Los Angeles, CA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
61%Service-mix similarityView profile →

Samuel A Skootsky, MD

Internal Medicine · Los Angeles, CA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
61%Service-mix similarityView profile →

Young-Jik Lee, M.D.

Internal Medicine · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
61%Service-mix similarityView profile →

Ahmad Jabaiah, M.D.

Internal Medicine · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Administration of influenza virus vaccine (G0008)
58%Service-mix similarityView profile →

Xia Li

Internal Medicine · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Administration of influenza virus vaccine (G0008)
58%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.