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Compare the published Medicare service mix of Nicholas Comilang Saguan, MD with clinicians in the same registry specialty: General Surgery (CMS).

CA · Exact areaEdit location

2024 published service data · 333 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Anthony Hung Chau, M.D.

General Surgery · Vascular Surgery (CMS) · Orange, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
82%Service-mix similarityView profile →

William Duong, M.D.

General Surgery (CMS) · Loma Linda, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
78%Service-mix similarityView profile →

Nii-Kabu Kabutey, MD

General Surgery · Vascular Surgery (CMS) · Orange, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
68%Service-mix similarityView profile →

Lily Johnston, MD MPH

Vascular Surgery (CMS) · La Jolla, CA

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
63%Service-mix similarityView profile →

Camille Jackson, M.D.

Vascular Surgery (CMS) · Oakland, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
61%Service-mix similarityView profile →

Jack C Yang, MD

Critical Care (Intensivists) · General Surgery · Vascular Surgery (CMS) · San Diego, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
61%Service-mix similarityView profile →

Stephen Kolakowski, MD

Vascular Surgery (CMS) · Victorville, CA

Shared published services
2 shared services · view billing descriptions
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
59%Service-mix similarityView profile →

Vincent Reginald Favor Narvaez, M.D.

General Surgery · Vascular Surgery (CMS) · Riverside, CA

Shared published services
1 shared services · view billing descriptions
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
57%Service-mix similarityView profile →

James Gregory Roberts, M.D., R.V.T. FACS

Vascular Surgery (CMS) · Modesto, CA

Shared published services
1 shared services · view billing descriptions
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
57%Service-mix similarityView profile →

Jason Todd Chiriano, D.O.

Medical Oncology · Vascular Surgery (CMS) · Victorville, CA

Shared published services
1 shared services · view billing descriptions
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
57%Service-mix similarityView profile →

Thomas Chin Park, MD

Vascular Surgery (CMS) · Sacramento, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
55%Service-mix similarityView profile →

Neha Sheng, MD

Vascular Surgery (CMS) · Loma Linda, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
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.