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Compare the published Medicare service mix of Lauren Dymna, APRN with clinicians in the same registry specialty: Nurse Practitioner (CMS).

LITTLE ROCK, AR · Exact areaEdit location

2024 published service data · 16 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Dina Dahdal, MD

Specialty details in registry · Little Rock, AR

Shared published services
2 shared services · view billing descriptions
  • Testing for presence of drug, by chemistry analyzers (80307)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
54%Service-mix similarityView profile →

Mike C Umerah, MD

Pain Management · Physical Medicine And Rehabilitation (CMS) · Little Rock, AR

Shared published services
1 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)
35%Service-mix similarityView profile →

Regina Kay Pondexter Hunter, M.D.

Physical Medicine And Rehabilitation (CMS) · Little Rock, AR

Shared published services
1 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)
24%Service-mix similarityView profile →

Kevin Means, MD

Specialty details in registry · Little Rock, AR

Shared published services
1 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)
18%Service-mix similarityView profile →

Rodrigo Ibanez Cayme, M.D.

Physical Medicine And Rehabilitation (CMS) · Little Rock, AR

Shared published services
1 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)
13%Service-mix similarityView profile →

Rani Haley Gardner, M.D.

Physical Medicine And Rehabilitation (CMS) · Little Rock, AR

Shared published services
1 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)
10%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.