MARK ELDON JOHNSTON (FNP-C) – Family Nurse Practitioner, NPI 1144623455

MARK ELDON JOHNSTON (FNP-C) is a healthcare provider. based in Citrus springs, Florida. specializing in Family Nurse Practitioner. They hold the professional credentials FNP-C. They hold a License No. RN9462949 (FL). The NPI Number for MARK ELDON JOHNSTON (FNP-C) is 1144623455

Main info

Male
12 Years Of Experience
Accepts Medicare Assignment
Name
MARK ELDON JOHNSTON (FNP-C)
NPI
1144623455
Phone
(208) 880-6458
Address
575 W BANCROFT DR
Enumeration Date
30 September 2014
Last Update Date
25 May 2019

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3527261551
Graduation Year
2014 (12 years ago)
PAC ID
3476878331
Group Practice PAC ID
9133381809
Professional Enrollment ID
I20170727000220
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:11State licenses:4Digital endpointsOther names

Provider Addresses for MARK ELDON JOHNSTON (FNP-C)

  • 575 W BANCROFT DR

    CITRUS SPRINGS, FL 344348453

    Phone: (208) 880-6458

    Type: Mailing

  • 502 W HIGHLAND BLVD

    INVERNESS, FL 344524720

    Phone: (352) 726-1551

    Type: Location

  • 12412 Judson Rd

    Live Oak, TX 782333255

    Phone: (210) 757-5300

    Fax: (210) 757-5186

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

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Medicare Enrollment & Revalidation

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Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

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Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 34434)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9133381809View full group profile

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Frequently asked questions

Where can patients find MARK ELDON JOHNSTON (FNP-C)'s NPI?
You can confirm MARK ELDON JOHNSTON (FNP-C) with NPI 1144623455; it appears in the national provider directory.
Is MARK ELDON JOHNSTON (FNP-C) active in the national directory?
MARK ELDON JOHNSTON (FNP-C)'s public NPI profile is in an active state.
What kind of provider is MARK ELDON JOHNSTON (FNP-C)?
The page reflects Family Nurse Practitioner for MARK ELDON JOHNSTON (FNP-C). Clinical services aligned with this taxonomy classification.
Where does public data place MARK ELDON JOHNSTON (FNP-C)?
The snapshot lists Citrus Springs, Florida for MARK ELDON JOHNSTON (FNP-C); download NPPES for the complete set.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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