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Compare the published Medicare service mix of Dennis Kwak Chyung, MD with clinicians in the same registry specialty: Anesthesiology.

ALLENTOWN, PA · Exact areaEdit location

2024 published service data · 34 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Abhishek Patel, MD

Anesthesiology · Allentown, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure on heart and large blood vessels (00560)
  • Ultrasound of heart with probe in esophagus, with report (93312)
  • Ultrasound of heart blood flow, valves and chambers (93320)
65%Service-mix similarityView profile →

Nanette M Schwann, MD

Anesthesiology · Allentown, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure on heart and large blood vessels (00560)
  • Ultrasound of heart with probe in esophagus, with report (93312)
  • Anesthesia for heart artery bypass grafting on heart-lung machine (00567)
59%Service-mix similarityView profile →

Thomas M. Mcloughlin, MD

Anesthesiology · Allentown, PA

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for procedure to assess heart electrical activity (00537)
  • Anesthesia for other procedure on upper abdomen (00790)
38%Service-mix similarityView profile →

Benjamin Rohrer, M.D.

Anesthesiology · Allentown, PA

Shared published services
2 shared services · view billing descriptions
  • Ultrasound of heart with probe in esophagus, with report (93312)
  • Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)
33%Service-mix similarityView profile →

Venkat Reddy Mangunta, M.D.

Anesthesiology · Allentown, PA

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for procedure on heart and large blood vessels (00560)
  • Anesthesia for procedure to assess heart electrical activity (00537)
31%Service-mix similarityView profile →

Ngoc-Tuong Dinh Nguyen, D.O

Anesthesiology · Allentown, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for extensive surgery on spine (00670)
  • Anesthesia for other procedure on upper abdomen (00790)
  • Anesthesia for other procedure on lower abdomen (00840)
30%Service-mix similarityView profile →

Manan Shah, MD

Anesthesiology · Allentown, PA

Shared published services
1 shared services · view billing descriptions
  • Ultrasound of heart with probe in esophagus, with report (93312)
24%Service-mix similarityView profile →

Andrew Newman, MD

Anesthesiology · Allentown, PA

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for other procedure on upper abdomen (00790)
  • Anesthesia for other procedure on lower abdomen (00840)
23%Service-mix similarityView profile →

Sanshalee Mckay Mathews, M.D.

Anesthesiology · Allentown, PA

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for procedure to assess heart electrical activity (00537)
  • Anesthesia for other procedure on upper abdomen (00790)
16%Service-mix similarityView profile →

Anatoly I Kremer, MD

Anesthesiology · Allentown, PA

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for other procedure on upper abdomen (00790)
  • Anesthesia for other procedure on lower abdomen (00840)
15%Service-mix similarityView profile →

Sultan Ahmed Ghuman, MD

Anesthesiology · Allentown, PA

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on upper abdomen (00790)
15%Service-mix similarityView profile →

John Michael Castellano, M.D.

Anesthesiology · Allentown, PA

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for other procedure on upper abdomen (00790)
  • Anesthesia for other procedure on lower abdomen (00840)
9%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.