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Compare the published Medicare service mix of Daniel Ray Smith, M.D. with clinicians in the same registry specialty: Critical Care (Intensivists) · Internal Medicine · Sleep Medicine (CMS).

VA · Exact areaEdit location

2024 published service data · 10 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Shantan Bhargav Redd Ravula, MD

Sleep Medicine (CMS) · Chesterfield, VA

Shared published services
3 shared services · view billing descriptions
  • Sleep study including heart rate, breathing, and sleep time (95800)
  • Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
79%Service-mix similarityView profile →

Ashtaad Dalal, MD

Family Practice · Sleep Medicine (CMS) · Falls Church, VA

Shared published services
3 shared services · view billing descriptions
  • Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)
  • Sleep study including heart rate, breathing, and sleep time (95800)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
58%Service-mix similarityView profile →

Jonathan Gellman

Family Practice (CMS) · Virginia Beach, VA

Shared published services
3 shared services · view billing descriptions
  • Sleep study including heart rate, breathing, and sleep time (95800)
  • 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)
48%Service-mix similarityView profile →

Marcus Darrell Jennings, MD, MSPH

Family Practice · Sleep Medicine (CMS) · Leesburg, VA

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)
  • Sleep study in sleep lab with continuous airway pressure (6 years or older) (95811)
47%Service-mix similarityView profile →

Karthy Thiagarajan, MD

Specialty details in registry · Portsmouth, VA

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)
42%Service-mix similarityView profile →

Supriya Mannepalli, M.D.

Family Practice · Sleep Medicine (CMS) · Farmville, VA

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)
  • Sleep study in sleep lab with continuous airway pressure (6 years or older) (95811)
36%Service-mix similarityView profile →

Keisha Danielle Sullivan, DO

Sleep Medicine (CMS) · Leesburg, VA

Shared published services
2 shared services · view billing descriptions
  • Sleep study including heart rate, breathing, and sleep time (95800)
  • Sleep study including heart rate, breathing, airflow, and effort (95806)
35%Service-mix similarityView profile →

Arun Nag Santhosh Mallapareddi

Family Practice (CMS) · Fairfax, VA

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)
34%Service-mix similarityView profile →

Sarah Aley Chacko, MD

Family Practice · Sleep Medicine (CMS) · Virginia Beach, VA

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)
30%Service-mix similarityView profile →

Tiffany Nealy, MD

Family Practice (CMS) · Virginia Beach, VA

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)
30%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.