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Compare the published Medicare service mix of Kevin O'connor, NP with clinicians in the same registry specialty: Family Nurse Practitioner.

SEAFORD, NY · 10 milesEdit location
Within 10 miles · Approximate ZIP-area distance

Approximate straight-line distances between ZIP-area centers; a city search starts from the average of its ZIP centers. Uses the primary reported practice ZIP, not an exact office address or driving distance. Records without matched coordinates are excluded. How distance works

2024 published service data · 142 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Margarita M Nektalov

Family Nurse Practitioner · Uniondale, NY

Shared published services
3 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)
  • Advance care planning, first 30 minutes (99497)
  • Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes (99345)
48%Service-mix similarity~7.8 milesView profile →

Melissa Flynn, FNP

Family Nurse Practitioner · Bethpage, NY

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)
  • Administration of influenza virus vaccine (G0008)
42%Service-mix similarity~4.2 milesView profile →

Jeannie Bernard, FNP

Family Nurse Practitioner · Rockville Centre, NY

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)
  • Advance care planning, first 30 minutes (99497)
35%Service-mix similarity~7.8 milesView profile →

Keri Michele Rolls, N.P.-C

Family Nurse Practitioner · Melville, NY

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)
30%Service-mix similarity~9.2 milesView profile →

Myrna Mattar, N.P.

Family Nurse Practitioner · Melville, NY

Shared published services
1 shared services · view billing descriptions
  • Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)
29%Service-mix similarity~9.2 milesView profile →

Ju Hye Kim, NP

Family Nurse Practitioner · Mineola, NY

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)
  • Advance care planning, first 30 minutes (99497)
23%Service-mix similarity~9.1 milesView profile →

Judy I Thomas, FNP-BC, CWCN-AP, WCC

Family Nurse Practitioner · Melville, NY

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)
21%Service-mix similarity~9.2 milesView profile →

Solita Lopez-Sahagun, NP

Family Nurse Practitioner · Syosset, NY

Shared published services
1 shared services · view billing descriptions
  • Telephone medical discussion with physician, 11-20 minutes (99442)
18%Service-mix similarity~9.4 milesView profile →

Jillian Sonkin, FNP

Family Nurse Practitioner · Lynbrook, NY

Shared published services
2 shared services · view billing descriptions
  • Administration of influenza virus vaccine (G0008)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
15%Service-mix similarity~9.7 milesView profile →

Rivka B Shipkin

Family Nurse Practitioner · Lynbrook, NY

Shared published services
2 shared services · view billing descriptions
  • Administration of influenza virus vaccine (G0008)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
13%Service-mix similarity~9.7 milesView profile →

Mary Bartlett, NP

Family Nurse Practitioner · Mineola, NY

Shared published services
1 shared services · view billing descriptions
  • Administration of influenza virus vaccine (G0008)
12%Service-mix similarity~9.1 milesView profile →

Esther Greenwald

Family Nurse Practitioner · West Hempstead, NY

Shared published services
1 shared services · view billing descriptions
  • Telephone medical discussion with physician, 11-20 minutes (99442)
11%Service-mix similarity~8.6 milesView 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 approximate distance 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.