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MARK ELDON JOHNSTON FNP-C
NPI 1144623455
Nurse Practitioner - Family in Inverness, FL

Active since September 30, 2014
502 W HIGHLAND BLVD, INVERNESS, FL 34452(352) 726-1551 Get Directions Write a Review

NPPES record last updated: May 25, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mark Eldon Johnston Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK ELDON JOHNSTON FNP-C (NPI 1144623455) is an individual family provider in Inverness, Florida, licensed in Florida (APRN9462949) and active in the NPI registry since September 2014. He maintains a secondary practice location in Live Oak.

NPPES Registry Identity

NPI1144623455
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMARK ELDON JOHNSTONCredential: FNP-C
Location Address502 W HIGHLAND BLVDInverness, FL 34452-4720
Mailing Address575 W Bancroft DrCitrus Springs, FL 34434-8453 · (208) 880-6458
Phone(352) 726-1551
Sole ProprietorNo
Enumeration DateSeptember 30, 2014
Last NPPES UpdateMay 25, 2019
✔ NPI 1144623455 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in FL · APRN9462949✔ Licensed in TX · AP126856
Also ListedRegistered NurseTaxonomy 163W00000X · License RN9462949 (FL)
Also ListedRegistered Nurse · AdministratorTaxonomy 163WA2000X · License 785488 (TX)
Also ListedNurse PractitionerTaxonomy 363L00000X · License AP126856 (TX)
502 W HIGHLAND BLVD, Inverness, FL 34452
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Secondary Practice Location 1

Location 112412 Judson RdLive Oak, TX 78233-3255 · Phone (210) 757-5300 · Fax (210) 757-5186

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ERIK VINCEK
Student in an Organized Health Care Education/Training Program
502 W HIGHLAND BLVD
INVERNESS, FL 34452
Citrus County (352) 344-6999
SHELDON RANKINE MD
Internal Medicine
502 W HIGHLAND BLVD
INVERNESS, FL 34452
Citrus County (352) 446-6987
CITRUS MEMORIAL HEALTH FOUNDATION INC
General Acute Care Hospital
502 W HIGHLAND BLVD
INVERNESS, FL 34452
Citrus County (352) 344-6481
PEDIATRIX MEDICAL GROUP OF FLORIDA INC
Pediatrics (Neonatal-Perinatal Medicine)
502 W HIGHLAND BLVD
INVERNESS, FL 34452
Citrus County (352) 726-1551
DOUBLE SPRING ANESTHESIA PROVIDERS LLC
Anesthesiology
502 W HIGHLAND BLVD
INVERNESS, FL 34452
Citrus County (877) 328-1119
WAYNE SIMMONS DO
Anesthesiology
502 W HIGHLAND BLVD
INVERNESS, FL 34452
Citrus County (801) 358-5236
RAZA NASIR KHALIQ DO
Student in an Organized Health Care Education/Training Program
502 W HIGHLAND BLVD
INVERNESS, FL 34452
Citrus County (352) 726-1551
TUSHAR SINGH MBBCHBAO
Student in an Organized Health Care Education/Training Program
502 W HIGHLAND BLVD
INVERNESS, FL 34452
Citrus County (352) 726-1551

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Johnston's NPI number?

The NPI number for Mark Johnston is 1144623455. It was assigned to this individual provider in the NPPES registry on September 30, 2014.

Where is Mark Johnston located?

Mark Johnston practices at 502 W Highland Blvd, Inverness, FL 34452. The listed phone number is (352) 726-1551.

What is Mark Johnston's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

What insurance does Mark Johnston accept?

Health plans from Blue Cross and Blue Shield of Texas list Mark Johnston as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Johnston was last updated on May 25, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.