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

Katheryn M Johnston, FNP-C

Individual provider Nurse Practitioner · NPI 1083262620

Katheryn M Johnston, FNP-C is a Nurse Practitioner in Show Low, Arizona. Qualified in 2019, 7 years ago. Practices with Summit Healthcare Medical Associates, a 73-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
7
Licensed in
AZ
In the registry since
2019
Specialties on file
2
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

4951 S White Mountain Rd Bldg A
Show Low, AZ 85901-7827
Phone: (928) 537-6700
Fax: (928) 532-2199
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 210 N Center St, Mesa, AZ 85201-6600 — (480) 834-5414

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 225636 (AZ)
Nurse Practitioner Taxonomy 363L00000X · Licence 225636 (AZ)

Record details

NPI number1083262620
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedAugust 27, 2019
Last updated in NPPESApril 12, 2024
Certification dateApril 12, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Summit Healthcare Medical Associates — 73 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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