Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Mrs. Mary Lou Tongay, FNP-C

Individual provider Family Nurse Practitioner · NPI 1386192151

Mrs. Mary Lou Tongay, FNP-C is a Nurse Practitioner in Park Hills, Missouri. Qualified in 2016, 10 years ago. Practices with Jefferson County Health Department, a 3-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
10
Licensed in
MO
In the registry since
2016
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

4800 Oak Ridge Trl
Park Hills, MO 63601-8224
Phone: (573) 315-9567
Show map & directions

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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 2016032820 (MO)

Record details

NPI number1386192151
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorYes
NPI enumeratedSeptember 21, 2016
Last updated in NPPESMay 3, 2018

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Jefferson County Health Department — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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 patients18
Services billed 38 a service is one billed item, such as a visit, a test or a procedure
Average patient age48

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.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Jefferson County Health Department

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3 clinicians in the practice; 1 are shown here.

Other providers in Park Hills