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

Gillian K Long, FNP-C

Individual provider Nurse Practitioner · NPI 1790345726

Gillian K Long, FNP-C is a Nurse Practitioner in Alton, Illinois. Qualified in 2018, 8 years ago. Practices with Fairview Heights Medical Group SC, a 448-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
8
Licensed in
IL
In the registry since
2019
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

1 Professional Dr
Alton, IL 62002-5068
Phone: (618) 463-8500
Fax: (618) 433-6792
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 209018721 (IL)

Record details

NPI number1790345726
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedJune 20, 2019
Last updated in NPPESSeptember 19, 2025
Certification dateSeptember 19, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Fairview Heights Medical Group Sc — 448 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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