Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HAROLD D JOHNSTON M.D.
NPI 1255305942
Family Medicine in Cook, MN

Active since February 17, 2006PECOS Enrolled
20 5TH ST SE, MEDICAL, COOK, MN 55723(218) 666-5941(218) 666-5099 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Harold D Johnston M.d. NPPES

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

HAROLD D JOHNSTON M.D. (NPI 1255305942) is an individual family medicine provider in Cook, Minnesota, licensed in Minnesota (21520) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255305942
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameHAROLD D JOHNSTONCredential: M.D.
Location Address20 5TH ST SE, MEDICALCook, MN 55723-9702
Mailing Address20 5th St Se, MedicalCook, MN 55723-9702 · (218) 666-5941 · Fax (218) 666-5099
Fax(218) 666-5099
Sole ProprietorNo
Enumeration DateFebruary 17, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1255305942 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in MN · 21520
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
20 5TH ST SE, Cook, MN 55723

Other Identifiers 2

Other69391MN · Mpin
OtherD75759MN · Upin

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Harold D Johnston M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55723 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Obstetrics & Gynecology
20 5TH ST SE
COOK, MN 55723
Nurse Practitioner
20 5TH ST SE
COOK, MN 55723
Nurse Practitioner (Family)
20 5TH ST SE
COOK, MN 55723
Dentist (General Practice)
20 5TH ST SE
COOK, MN 55723
Clinic/Center
20 5TH ST SE
COOK, MN 55723
Family Medicine
20 5TH ST SE
COOK, MN 55723
Internal Medicine
20 5TH ST SE
COOK, MN 55723
Social Worker (Clinical)
20 5TH ST SE
COOK, MN 55723

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 Harold Johnston's NPI number?

The NPI number for Harold Johnston is 1255305942. It was assigned to this individual provider in the NPPES registry on February 17, 2006.

Where is Harold Johnston located?

Harold Johnston practices at 20 5th St SE Medical, Cook, MN 55723. The listed phone number is (218) 666-5941.

What is Harold Johnston's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Harold Johnston enrolled in Medicare?

Yes. Harold Johnston is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Harold Johnston was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.