Harold Johnston, M.D.
Family Medicine Physician · Cook, MN
Harold 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 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
- Entity
- Type 1 · individual
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-BCGeneral Practice Registered Nurse1336662105
- Lynne Didrikson, MDFamily Medicine Physician1841381852
- Eric EllebyStudent in an Organized Health Care Education/Training Program1942629787
- Bruce Garbisch, M.D.Family Medicine Physician1447349022
- Mary Hughes, N.P.Nurse Practitioner1902989940
Verify Harold 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 3,519 among the 111,126 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.
4 family medicine physician records list a Cook practice address
They are 4 of the 42 NPPES records with a Cook practice address, and 3,876 family medicine physician records in Minnesota.
All 4 in Cook → All 3,876 in Minnesota → Every provider in Cook →
Other family medicine physician records in Minnesota
- Allison AaseMinneapolis, MN1255028239
- Lise Aasheim, M.D.Albert Lea, MN1871571851
- Cherry Abary, D.O.Eden Prairie, MN1821019712
- Jihan Abbott, D.O.Woodbury, MN1306138870
- Mona Abdel-Bary, MBBCHFridley, MN1689067860
- Yasmin Abdulaya, MDSaint Cloud, MN1437892536
- Bangean Abdullah, MDCoon Rapids, MN1952363137
- Melika AbdulwhabMinnetonka, MN1538662515
- Ryan Aberle, MDRobbinsdale, MN1639732928
- Gregory Abler, MDMorris, MN1609889740
Common questions
What is Harold Johnston, M.D.'s NPI number?
Harold 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 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 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 Johnston, M.D. prescribe under Medicare Part D?
In 2024, Harold Johnston, M.D. had 13 Medicare Part D claims; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.