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Compare the published Medicare service mix of Loretta J. Shaffer, APRN with clinicians in the same registry specialty: Nurse Practitioner.

COLUMBIA, SC · Exact areaEdit location

2024 published service data · 106 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Susan Rainey, APRN

Nurse Practitioner · Columbia, SC

Shared published services
2 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
68%Service-mix similarityView profile →

Margo Caldwell Brandon

Nurse Practitioner · Columbia, SC

Shared published services
1 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
54%Service-mix similarityView profile →

Brittany Liles Howard, NP-C

Nurse Practitioner · Columbia, SC

Shared published services
2 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
47%Service-mix similarityView profile →

Sarah Simmons, APRN

Nurse Practitioner · Columbia, SC

Shared published services
2 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
46%Service-mix similarityView profile →

Migina Anica Timpson, APRN

Nurse Practitioner · Columbia, SC

Shared published services
1 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
46%Service-mix similarityView profile →

Stephanie Harry, APRN

Nurse Practitioner · Columbia, SC

Shared published services
2 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
46%Service-mix similarityView profile →

Tiffany Griffin, APRN

Nurse Practitioner · Columbia, SC

Shared published services
2 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
46%Service-mix similarityView profile →

Kelly A Mcmanis, APRN

Nurse Practitioner · Columbia, SC

Shared published services
2 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
45%Service-mix similarityView profile →

Cynthia Janet Dinino, AGPCNP-C

Nurse Practitioner · Columbia, SC

Shared published services
1 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
45%Service-mix similarityView profile →

Dina Marie Morgan, APRN

Nurse Practitioner · Columbia, SC

Shared published services
2 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
43%Service-mix similarityView profile →

Lance Garris, APRN

Nurse Practitioner · Columbia, SC

Shared published services
2 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
42%Service-mix similarityView profile →

Casey Lynn Spencer, APRN

Nurse Practitioner · Columbia, SC

Shared published services
2 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
41%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.