Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Ernesto Nillar-Fonseca, PSYD

Individual provider Clinical Psychologist · NPI 1508003195

Dr. Ernesto Nillar-Fonseca, PSYD is a Clinical Psychologist in Louisville, Kentucky. Qualified in 2013, 13 years ago. Practices with Eventus Ecs, Inc, a 246-clinician group and accepts Medicare assignment. Licensed in Indiana and Kentucky.

Years since qualifying
13
Licensed in
IN, KY
In the registry since
2009
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

9824 Collier Ln
Louisville, KY 40291-3184
Phone: (502) 262-9487
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 239702 (KY)
Clinical Psychologist Taxonomy 103TC0700X · Licence 20043751A (IN)

Record details

NPI number1508003195
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedJanuary 19, 2009
Last updated in NPPESDecember 7, 2023
Certification dateDecember 7, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Eventus Ecs, Inc — 246 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients127
Services billed 1,977 a service is one billed item, such as a visit, a test or a procedure
Average patient age69

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Eventus Ecs, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 246 clinicians in the practice; 12 are shown here.

Other providers in Louisville