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Compare the published Medicare service mix of Gregory E. Leach, M.D. with clinicians in the same registry specialty: Family Medicine.

NAPLES, FL · Exact areaEdit location

2024 published service data · 78 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Theodore Crowell, M.D.

Family Medicine · Naples, FL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
84%Service-mix similarityView profile →

Cesar R Deleon, DO

Family Medicine · Naples, FL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
64%Service-mix similarityView profile →

Demetrios Gasparis, M.D.

Family Medicine · Naples, FL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
63%Service-mix similarityView profile →

Julia K Harris, MD

Family Medicine · Naples, FL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
62%Service-mix similarityView profile →

Robert E Hanson, MD

Family Medicine · Naples, FL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Automated urinalysis test (81003)
  • Injection of drug or substance under skin or into muscle (96372)
61%Service-mix similarityView profile →

Jesse H Haven, MD

Family Medicine · Naples, FL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Automated urinalysis test (81003)
  • Injection of drug or substance under skin or into muscle (96372)
60%Service-mix similarityView profile →

Douglas L Boynton, MD

Family Medicine · Naples, FL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
59%Service-mix similarityView profile →

Aschanti Abarca Selva, M.D

Family Medicine · Naples, FL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
58%Service-mix similarityView profile →

Melissa A Macvenn, M.D.

Family Medicine · Naples, FL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
57%Service-mix similarityView profile →

John R Diaz, MD

Family Medicine · Naples, FL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
57%Service-mix similarityView profile →

Ruth A Dupont, M.D.

Family Medicine · Naples, FL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
57%Service-mix similarityView profile →

David Alan Scott, D. O.

Family Medicine · Naples, FL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
56%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.