Gwen A. Johnson, MD
Family Medicine Physician · Hubertus, WI
Gwen A. Johnson, MD is a family medicine physician with a practice address in Hubertus, Wisconsin, and NPI 1417989559, issued on Jul 7, 2006. Check the license (Wisconsin 30420, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gwen A. Johnson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 30420 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3055 Hubertus RD, Hubertus, WI 53033
- Phone
- (262) 628-9000
- Enumerated
- Jul 7, 2006
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (262) 628-7255
- Medicaid ID
- 31555100 WI
- Entity
- Type 1 · individual
Also registered at 3055 Hubertus RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Barz, D.O.Family Medicine Physician1205254240
- Michael Miller, MDFamily Medicine Physician1447282694
- Brenna Rauner, MDFamily Medicine Physician1952983561
Verify Gwen A. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 30420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average family medicine physician in 2024
1,217 Medicare Part D claims for 241 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium82 claims
- Levothyroxine Sodium66 claims
- Losartan Potassium63 claims
- Lisinopril59 claims
- Amlodipine Besylate49 claims
- Omeprazole38 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.
4 family medicine physician records list a practice address in Hubertus
They are 4 of the 21 NPPES records with a practice address in Hubertus, and 3,765 family medicine physician records in Wisconsin.
All 4 in Hubertus → All 3,765 in Wisconsin → Every provider in Hubertus →
Other family medicine physician records in Wisconsin
- Ashraf AbbasAppleton, WI1558723775
- Ghudran Abdulal, MDNew Berlin, WI1083622666
- Yusuf Abdullah, DOSun Prairie, WI1437788478
- Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
- Emily Abeyta, MDWaukesha, WI1386905107
- Jeanette Abraham, MDWeston, WI1205895810
- Sarada Abraham, M.D.Oconomowoc, WI1962851972
- Kirsten Abramson, MDMadison, WI1417909979
- Alexandra Adams, MD PHDMadison, WI1184689291
- David AdamsMadison, WI1992986897
Common questions
What is Gwen A. Johnson, MD's NPI number?
Gwen A. Johnson, MD's National Provider Identifier (NPI) is 1417989559, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gwen A. Johnson, MD located?
The NPPES record lists a practice address at 3055 Hubertus RD, Hubertus, WI, 53033. Phone: (262) 628-9000. Providers update this record themselves, so call before visiting.
How can I verify Gwen A. Johnson, MD's license?
NPPES lists Wisconsin license number 30420, 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 Gwen A. Johnson, MD prescribe under Medicare Part D?
In 2024, Gwen A. Johnson, MD had 1,217 Medicare Part D claims for 241 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.