NPPES file of Aug 9, 2026

Greg Michael Johnson, M.D

Internal Medicine Physician · Vadnais Heights, MN

Greg Michael Johnson, M.D is an internal medicine physician with a practice address in Vadnais Heights, Minnesota, and NPI 1548419138, issued on Sep 18, 2008. Check the license (Minnesota 51497, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548419138
Name
Greg Michael Johnson
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
51497 MN
Self-reported in NPPES; status is on the state search
Practice location
1155 County Road E E Ste 100, Vadnais Heights, MN 55110
Phone
(651) 241-9200
Enumerated
Sep 18, 2008
Record last updated
Sep 22, 2023
Medicare enrollment
Enrolled (PECOS I20110117000240); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1155 County Road E E Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maren Elze, DPMPodiatrist1073545851
  2. Chelsey Emery Snaza, LICSW, LADCClinical Social Worker1194568550
  3. Megan Groh, RDNRegistered Dietitian1275357808
  4. Erin HuntoonPhysician Assistant1871232371
  5. Jessica Krause, AUDAudiologist1508597204
  6. Katie Lorentz, M.D.Internal Medicine Physician1386960250

Verify Greg Michael Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 51497
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Minnesota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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6% more Medicare Part D claims than the average internal medicine physician in 2024

3,368 Medicare Part D claims for 494 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 129 claims were for opioids.

  1. Greg Johnson3,368
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium256 claims
  2. Lisinopril164 claims
  3. Amlodipine Besylate126 claims
  4. Levothyroxine Sodium126 claims
  5. Omeprazole102 claims
  6. Losartan Potassium96 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.

Bills Medicare through one group practice

  1. Allina Health SystemVadnais Heights, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

3 internal medicine physician records list a practice address in Vadnais Heights

They are 3 of the 284 NPPES records with a practice address in Vadnais Heights, and 2,632 internal medicine physician records in Minnesota.

Other internal medicine physician records in Minnesota

  1. Christopher Aakre, MDRochester, MN1508151663
  2. Karen Aarestad, MDBrainerd, MN1275510216
  3. Michael Abawkaw, MDMinneapolis, MN1114503315
  4. Nadhem Abdallah, MDMinneapolis, MN1396423810
  5. Ahmed Abdalrhim, MBBSRochester, MN1679671762
  6. Nermine AbdelwahabSaint Paul, MN1871158600
  7. Sarah Abdul Jabbar, MBBSSt Cloud, MN1932489002
  8. Mohamed Abdullahi, M.D.Minneapolis, MN1437475431
  9. Omar Abdullahi, MDMinneapolis, MN1184118200
  10. Paul Abear, MDMinneapolis, MN1841710696

Common questions

What is Greg Michael Johnson, M.D's NPI number?

Greg Michael Johnson, M.D's National Provider Identifier (NPI) is 1548419138, issued on Sep 18, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Greg Michael Johnson, M.D located?

The NPPES record lists a practice address at 1155 County Road E E Ste 100, Vadnais Heights, MN, 55110. Phone: (651) 241-9200. Providers update this record themselves, so call before visiting.

How can I verify Greg Michael Johnson, M.D's license?

NPPES lists Minnesota license number 51497, 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 Greg Michael Johnson, M.D prescribe under Medicare Part D?

In 2024, Greg Michael Johnson, M.D had 3,368 Medicare Part D claims for 494 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.