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

Mark Eldon Johnston, FNP-C

Individual provider Registered Nurse · NPI 1144623455

Mark Eldon Johnston, FNP-C is a Registered Nurse in Inverness, Florida. Works from 2 locations. Licensed in Florida and Texas.

Licensed in
FL, TX
In the registry since
2014
Specialties on file
5
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

502 W Highland Blvd
Inverness, FL 34452-4720
Phone: (352) 726-1551
Show map & directions

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

Additional practice locations (1)

  • 12412 Judson Rd, Live Oak, TX 78233-3255 — (210) 757-5300

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence APRN9462949 (FL)
Registered Nurse Taxonomy 163W00000X · Licence RN9462949 (FL)
Administrator Registered Nurse Taxonomy 163WA2000X · Licence 785488 (TX)
Nurse Practitioner Taxonomy 363L00000X · Licence AP126856 (TX)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence AP126856 (TX)

Record details

NPI number1144623455
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedSeptember 30, 2014
Last updated in NPPESMay 25, 2019
Mailing address575 W Bancroft Dr, Citrus Springs, FL 34434-8453

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