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Compare the published Medicare service mix of Lilian A Allen, PH. D, DNP with clinicians in the same registry specialty: Nurse Practitioner.

COUNTRY CLUB HILLS, IL · 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 · 135 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Ceres K Kangou, APN-CNP

Nurse Practitioner · Mokena, IL

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)
100%Service-mix similarity~8.8 milesView profile →

Kathleen Escalona, APRN, CNP

Nurse Practitioner · Orland Park, IL

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)
100%Service-mix similarity~7.2 milesView profile →

Sandra Lynn Mikulich, APN

Nurse Practitioner · Hazel Crest, IL

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)
83%Service-mix similarity~2.2 milesView profile →

Gail Gannon, APN-CNP

Nurse Practitioner · Mokena, IL

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)
83%Service-mix similarity~8.8 milesView profile →

Cheryl D Rogers, AGPCNP-BC

Nurse Practitioner · Hazel Crest, IL

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)
82%Service-mix similarity~2.2 milesView profile →

Autumn Marie Ritz, APRN

Nurse Practitioner · Tinley Park, IL

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)
79%Service-mix similarity~4.3 milesView profile →

Andrea Revethis Jones, FNP-BC

Nurse Practitioner · Palos Heights, IL

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)
72%Service-mix similarity~7.7 milesView profile →

Ewa Rafacz, N.P

Nurse Practitioner · Chicago, IL

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)
72%Service-mix similarity~9.9 milesView profile →

Jacqueline Sielaff

Nurse Practitioner · Crestwood, IL

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)
72%Service-mix similarity~5.7 milesView profile →

Catherine Alexandria Czaja, APRN

Nurse Practitioner · Tinley Park, IL

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)
71%Service-mix similarity~5.7 milesView profile →

Darlene C Flowers, APRN, CNP

Nurse Practitioner · Palos Heights, IL

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)
70%Service-mix similarity~7.7 milesView profile →

Danielle Mclaren, APRN FNP-C

Nurse Practitioner · Homewood, IL

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)
69%Service-mix similarity~3.3 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.