Harold D. Johnston, M.D.
Family Medicine Physician · Cook, MN
Harold D. Johnston, M.D. is a family medicine physician with a practice address in Cook, Minnesota, and NPI 1255305942, issued on Feb 17, 2006. Check the license (Minnesota 21520, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Harold D. Johnston
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 21520 MN
Self-reported in NPPES; status is on the state search - Practice location
- 20 5TH St SE, Cook, MN 55723
- Phone
- (218) 666-5941
- Enumerated
- Feb 17, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (218) 666-5099
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →
Also registered at 20 5TH St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Beldo-Rosa, NPNurse Practitioner1306284153
- Brittany Debeltz, APRN, DNP, FNP-BCFamily Nurse Practitioner1336662105
- Lynne Didrikson, MDFamily Medicine Physician1841381852
- Eric EllebyFamily Medicine Physician1942629787
- Bruce Garbisch, M.D.Family Medicine Physician1447349022
- Mary Hughes, N.P.Nurse Practitioner1902989940
Verify Harold D. Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 21520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
13 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Harold D. Johnston among 3,985 family medicine physician records in Minnesota
Harold D. Johnston, M.D. is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 42% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 family medicine physician records list a practice address in Cook
They are 5 of the 42 NPPES records with a practice address in Cook, and 3,985 family medicine physician records in Minnesota.
All 3,985 in Minnesota → Every provider in Cook → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lynne Didrikson, MDCook, MN 557231841381852
- Eric EllebyCook, MN 557231942629787
- Bruce Garbisch, M.D.Cook, MN 557231447349022
- Fred Webber, D.O.Cook, MN 557231770508103
- Michael Baich, MDColeraine, MN 557221982810164
- Susan Benzie, M.D.Cromwell, MN 557261144223629
- Stephen Bockhold, M.D.Cloquet, MN 557201174732952
- Shawn Bode, MDCromwell, MN 557261154324820
Common questions
What is Harold D. Johnston, M.D.'s NPI number?
Harold D. Johnston, M.D.'s National Provider Identifier (NPI) is 1255305942, issued on Feb 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harold D. Johnston, M.D. located?
The NPPES record lists a practice address at 20 5TH St SE, Cook, MN, 55723. Phone: (218) 666-5941. Providers update this record themselves, so call before visiting.
How can I verify Harold D. Johnston, M.D.'s license?
NPPES lists Minnesota license number 21520, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Harold D. Johnston, M.D. prescribe under Medicare Part D?
In 2024, Harold D. Johnston, M.D. had 13 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.