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Compare the published Medicare service mix of David Blalock, MD with clinicians in the same registry specialty: Internal Medicine.

COLUMBIA, SC · Exact areaEdit location

2024 published service data · 127 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Yohannes Negash, MD

Internal Medicine · Columbia, SC

Shared published services
3 shared services · view billing descriptions
  • Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)
  • Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
93%Service-mix similarityView profile →

James Gasque, MD

Internal Medicine · Columbia, SC

Shared published services
3 shared services · view billing descriptions
  • Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)
  • Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
90%Service-mix similarityView profile →

Derek R Thomas, M.D.

Internal Medicine · Columbia, SC

Shared published services
3 shared services · view billing descriptions
  • Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)
  • Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
90%Service-mix similarityView profile →

Casey M Mcmillan, MD

Internal Medicine · Columbia, SC

Shared published services
3 shared services · view billing descriptions
  • Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)
  • Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
90%Service-mix similarityView profile →

Michael Chance Hammer, DO

Internal Medicine · Columbia, SC

Shared published services
3 shared services · view billing descriptions
  • Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)
  • Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
88%Service-mix similarityView profile →

Mulugeta Tarekegne, M.D.

Internal Medicine · Columbia, SC

Shared published services
3 shared services · view billing descriptions
  • Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)
  • Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
88%Service-mix similarityView profile →

Moses E. Udoh, MD

Internal Medicine · Columbia, SC

Shared published services
3 shared services · view billing descriptions
  • Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)
  • Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
87%Service-mix similarityView profile →

Arumugam Thanumalaya Perumal, MD

Internal Medicine · Columbia, SC

Shared published services
3 shared services · view billing descriptions
  • Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)
  • Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
82%Service-mix similarityView profile →

Hanaa Benchekroun Belabbes, MD

Internal Medicine · Columbia, SC

Shared published services
3 shared services · view billing descriptions
  • Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)
  • Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
82%Service-mix similarityView profile →

Joseph Cecil Williams, MD

Internal Medicine · Columbia, SC

Shared published services
3 shared services · view billing descriptions
  • Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)
  • Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
81%Service-mix similarityView profile →

Parag Shanti Dalsania, MD

Internal Medicine · Columbia, SC

Shared published services
3 shared services · view billing descriptions
  • Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)
  • Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
81%Service-mix similarityView profile →

Charles Herman White, M.D.

Internal Medicine · Columbia, SC

Shared published services
3 shared services · view billing descriptions
  • Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)
  • Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
77%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.