Judith L. Johnson, MD
Specialist · Duluth, MN
Judith L. Johnson, MD is a specialist with a practice address in Duluth, Minnesota, and NPI 1033188347, issued on Mar 17, 2006. Check the license (Minnesota 40719, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Judith L. Johnson
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 40719 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1000 E 1St St, Duluth, MN 55805
- Phone
- (218) 722-5629
- Enumerated
- Mar 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (218) 722-5148
- Medicaid IDs
- 199824200 MN
32459800 WI - Entity
- Type 1 · individual
8 nearest specialist records → All 838 in Minnesota → Look up another NPI →
Also registered at 1000 E 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Judith L. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license 40719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average specialist in 2024
25 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of 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.
Judith L. Johnson among 838 specialist records in Minnesota
Judith L. Johnson, MD is one of 838 specialist records with a practice address in Minnesota. 6% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 76% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 5% of these records are
- Record last updated2007 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Minnesota
There are 838 specialist records in Minnesota.
All 838 in Minnesota → Every provider in Duluth → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Mark Carlson, M.D.Duluth, MN 558051932104445
- Peter Goldschmidt, M.D.Duluth, MN 558051225033723
- Robin Hendricks, M.D.Duluth, MN 558051245235746
- Ann Rock, MDDuluth, MN 558051164490793
- William Schnell, M.D.Duluth, MN 558051538164025
- James Sebastian, MDDuluth, MN 558051033187141
- John KeenerDuluth, MN 558041497606818
- Barbara Bergstrom, OTRDuluth, MN 558071912067877
Common questions
What is Judith L. Johnson, MD's NPI number?
Judith L. Johnson, MD's National Provider Identifier (NPI) is 1033188347, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Judith L. Johnson, MD located?
The NPPES record lists a practice address at 1000 E 1St St, Duluth, MN, 55805. Phone: (218) 722-5629. Providers update this record themselves, so call before visiting.
How can I verify Judith L. Johnson, MD's license?
NPPES lists Minnesota license number 40719, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Judith L. Johnson, MD prescribe under Medicare Part D?
In 2024, Judith L. Johnson, MD had 25 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.