Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

MS. Claire M Vargo, FNP

Individual provider Nurse Practitioner · NPI 1831712835

MS. Claire M Vargo, FNP is a Nurse Practitioner in O Fallon, Illinois. Qualified in 2016, 10 years ago. Practices with Prairie Cardiovascular Consultants Ltd, a 94-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
10
Licensed in
IL
In the registry since
2020
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

3 Saint Elizabeth Blvd Ste 1800
O Fallon, IL 62269-1281
Phone: (618) 233-6044
Fax: (618) 233-5195
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4500 Memorial Dr, Belleville, IL 62226-5360 — (800) 647-2098

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 209019577 (IL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 209019577 (IL)

Record details

NPI number1831712835
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedMay 26, 2020
Last updated in NPPESFebruary 4, 2026
Certification dateFebruary 4, 2026

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 Prairie Cardiovascular Consultants Ltd — 94 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in O Fallon