NPPES file of Aug 9, 2026

Alexander Jordon Johnston, MD

Internal Medicine Physician · Milwaukee, WI

Alexander Jordon Johnston, MD is an internal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1528761335, issued on Mar 22, 2023. Check the license (Wisconsin 86861-20, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1528761335
Name
Alexander Jordon Johnston
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
86861-20 WI
4301516895 MI
Self-reported in NPPES; status is on the state search
Practice location
8701 Watertown Plank RD, Milwaukee, WI 53226
Phone
(414) 955-4575
Enumerated
Mar 22, 2023
Record last updated
Jun 27, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 8701 Watertown Plank RD

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

  1. Amjad Abdelrahim, MDStudent in an Organized Health Care Education/Training Program1356029904
  2. Amanda Abrams, DOStudent in an Organized Health Care Education/Training Program1427990977
  3. Mohammad Abuassi, M.D.Gastroenterology Physician1275211567
  4. Besim Ademi, MDInternal Medicine Physician1750960134
  5. Iniya Adhan, MDStudent in an Organized Health Care Education/Training Program1598559114
  6. Valerie AguilarStudent in an Organized Health Care Education/Training Program1578350419

Verify Alexander Jordon Johnston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 86861-20
    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 Wisconsin license search

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85% fewer Medicare Part D claims than the average internal medicine physician in 2024

468 Medicare Part D claims for 68 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Alexander Johnston468
  2. Specialty average3,176

Most prescribed

  1. Albuterol Sulfate Hfa27 claims
  2. Rosuvastatin Calcium25 claims
  3. Lantus Solostar21 claims
  4. Atorvastatin Calcium19 claims
  5. Carvedilol17 claims
  6. Januvia13 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.

Alexander Jordon Johnston among 2,078 internal medicine physician records in Wisconsin

Alexander Jordon Johnston, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 92% of them.

  • NPI issued2023 · 92% of these records are older, 6% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2026 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

382 internal medicine physician records list a practice address in Milwaukee

They are 382 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Gary Barnas, MDMilwaukee, WI 532261902857329
  2. Karen Fickel, MDMilwaukee, WI 532261336190255
  3. Kathlyn Fletcher, MDMilwaukee, WI 532261306897236
  4. Sandra Green, MDMilwaukee, WI 532261871544692
  5. Tiffany Hubbard, MDWauwatosa, WI 532261518918093
  6. Samuel Idarraga, M.D.Wauwatosa, WI 532261700850070
  7. Jasna Jevtic, MDMilwaukee, WI 532261386695823
  8. Jack Kaufman, MDMilwaukee, WI 532261740231299

Common questions

What is Alexander Jordon Johnston, MD's NPI number?

Alexander Jordon Johnston, MD's National Provider Identifier (NPI) is 1528761335, issued on Mar 22, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Jordon Johnston, MD located?

The NPPES record lists a practice address at 8701 Watertown Plank RD, Milwaukee, WI, 53226. Phone: (414) 955-4575. Providers update this record themselves, so call before visiting.

How can I verify Alexander Jordon Johnston, MD's license?

NPPES lists Wisconsin license number 86861-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alexander Jordon Johnston, MD prescribe under Medicare Part D?

In 2024, Alexander Jordon Johnston, MD had 468 Medicare Part D claims for 68 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.