Gregory Justin Johnson
Dentist · Richardton, ND
Gregory Justin Johnson is a dentist with a practice address in Richardton, North Dakota, and NPI 1881677094, issued on Nov 22, 2005. Check the license (North Dakota 1720, as entered in NPPES) with the North Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Justin Johnson
- Primary taxonomy
- Dentist 122300000X
- License number
- 1720 ND
Self-reported in NPPES; status is on the state search - Practice location
- 200 3RD Ave W, Richardton, ND 58652
- Phone
- (701) 974-2118
- Enumerated
- Nov 22, 2005
- Record last updated
- May 4, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (701) 974-2175
- Medicaid ID
- 40988 ND
- Entity
- Type 1 · individual
8 nearest dentist records → All 224 in North Dakota → Look up another NPI →
Verify Gregory Justin Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich North Dakota board licenses this profession
Search for license 1720Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average dentist in 2024
50 Medicare Part D claims for 40 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin27 claims
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.
Gregory Justin Johnson among 224 dentist records in North Dakota
Gregory Justin Johnson is one of 224 dentist records with a practice address in North Dakota. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2017 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 dentist record lists a practice address in Richardton
They are 1 of the 11 NPPES records with a practice address in Richardton, and 224 dentist records in North Dakota.
All 224 in North Dakota → Every provider in Richardton → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Roger Leutz, DDSHebron, ND 586381952502387
- Bonnie Anderson, D.D.SBowman, ND 586231871702282
- Weston Hafner, DDSBowman, ND 586231851740633
- Kevin Mark, DMDBowman, ND 586231417610668
- Jennifer Sarsland, DDSBowman, ND 586231841587615
- Sammy Abdullah, DDSMinot, ND 587011871222950
- Michael Evanoff, DMDMinot, ND 587011336401389
- Stanley Hirst, DDSMinot, ND 587011922197524
Common questions
What is Gregory Justin Johnson's NPI number?
Gregory Justin Johnson's National Provider Identifier (NPI) is 1881677094, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Justin Johnson located?
The NPPES record lists a practice address at 200 3RD Ave W, Richardton, ND, 58652. Phone: (701) 974-2118. Providers update this record themselves, so call before visiting.
How can I verify Gregory Justin Johnson's license?
NPPES lists North Dakota license number 1720, as entered by the provider. Search the North Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Justin Johnson prescribe under Medicare Part D?
In 2024, Gregory Justin Johnson had 50 Medicare Part D claims for 40 beneficiaries; the average among dentist prescribers was 86. 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.