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

SANTA ANA, CA · Exact areaEdit location

2024 published service data · 27 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Pelma Tabrizi, M.D.

Internal Medicine · Santa Ana, 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)
  • Insertion of needle into vein for collection of blood sample (36415)
  • Injection of drug or substance under skin or into muscle (96372)
57%Service-mix similarityView profile →

Meena Kumari Meka, M.D.

Internal Medicine · Santa Ana, CA

Shared published services
3 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
  • Ultrasound of both sides of head and neck blood flow (93880)
54%Service-mix similarityView profile →

Huu Nguyen, M.D.

Internal Medicine · Santa Ana, 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)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)
50%Service-mix similarityView profile →

Ajay G Meka, M.D.

Internal Medicine · Santa Ana, 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)
  • Injection of drug or substance under skin or into muscle (96372)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
50%Service-mix similarityView profile →

Kelvin Mai, DO

Internal Medicine · Santa Ana, 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)
  • Aspiration and/or injection of fluid from large joint (20610)
  • Insertion of needle into vein for collection of blood sample (36415)
50%Service-mix similarityView profile →

Theresa Thanh Ngoc Nguyen, M.D.

Internal Medicine · Santa Ana, 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)
  • Insertion of needle into vein for collection of blood sample (36415)
  • Injection of drug or substance under skin or into muscle (96372)
49%Service-mix similarityView profile →

Frank Badin, M.D.

Internal Medicine · Santa Ana, 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)
  • Insertion of needle into vein for collection of blood sample (36415)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
48%Service-mix similarityView profile →

Thai Dinh Nguyen, M.D.

Internal Medicine · Santa Ana, 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)
  • Insertion of needle into vein for collection of blood sample (36415)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
48%Service-mix similarityView profile →

Jane Diana Curtis, M.D.

Internal Medicine · Santa Ana, 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)
  • Injection of drug or substance under skin or into muscle (96372)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
42%Service-mix similarityView profile →

Hamendra T Rana, MD

Internal Medicine · Santa Ana, 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)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
41%Service-mix similarityView profile →

Alan C Schwartz, MD

Internal Medicine · Santa Ana, CA

Shared published services
1 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)
38%Service-mix similarityView profile →

Archana P Shah, MD

Internal Medicine · Santa Ana, CA

Shared published services
1 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)
38%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.