NPPES file of Aug 9, 2026

James R. Bargenquast, MD

Hospitalist Physician · Appleton, WI

James R. Bargenquast, MD is a hospitalist physician with a practice address in Appleton, Wisconsin, and NPI 1386689537, issued on Jun 19, 2006. Check the license (Wisconsin 22956, 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
1386689537
Name
James R. Bargenquast
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
22956 WI
15491 AZ
Self-reported in NPPES; status is on the state search
Practice location
1818 N Meade St, Appleton, WI 54911
Phone
(920) 735-7645
Enumerated
Jun 19, 2006
Record last updated
Aug 9, 2023
Fax
(920) 735-7618
Medicaid ID
288721 AZ
Medicare enrollment
Enrolled (PECOS I20141119000381); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1979
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 1818 N Meade St

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

  1. Mohamed Abdelazim, APNPNurse Practitioner1760266696
  2. Satish Achanti, MDInternal Medicine Physician1982711198
  3. Ernesto Acosta, MDObstetrics & Gynecology Physician1386773208
  4. Abdulmohsin Ahmadjee, M.DCardiovascular Disease Physician1225370802
  5. Maria Akhutina, MDHospitalist Physician1164652673
  6. Arshad Al-Mashhadani, MDHospitalist Physician1245771476

Verify James R. Bargenquast in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 22956
    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

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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72% fewer Medicare Part D claims than the average hospitalist physician in 2024

147 Medicare Part D claims for 44 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. James Bargenquast147
  2. Specialty average521

Most prescribed

  1. Eliquis19 claims
  2. Gabapentin15 claims
  3. Pantoprazole Sodium12 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. Thedacare, IncorporatedAppleton, WI

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

45 hospitalist physician records list a practice address in Appleton

They are 45 of the 3,249 NPPES records with a practice address in Appleton, and 894 hospitalist physician records in Wisconsin.

Other hospitalist physician records in Wisconsin

  1. Noormuhammad Abbasakoor, M.D.Sheboygan, WI1558645895
  2. Abubaker Abdalla, MDMilwaukee, WI1194187617
  3. Ihab Abdalrahman, MDMarshfield, WI1497855134
  4. Mohamed Fouzi Abdul Hameed, M.D.Weston, WI1255590899
  5. Hamza Abdul Majeed, DOMilwaukee, WI1881013282
  6. Vincent Abejuela, DOMilwaukee, WI1356928543
  7. Lolia Abibo, M.D.Milwaukee, WI1912359795
  8. Haisam Abid, MBBSMilwaukee, WI1578083184
  9. Islam Abo Al Nadie, MDMilwaukee, WI1326618786
  10. Zaid Abood, MDMilwaukee, WI1194254334

Common questions

What is James R. Bargenquast, MD's NPI number?

James R. Bargenquast, MD's National Provider Identifier (NPI) is 1386689537, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James R. Bargenquast, MD located?

The NPPES record lists a practice address at 1818 N Meade St, Appleton, WI, 54911. Phone: (920) 735-7645. Providers update this record themselves, so call before visiting.

How can I verify James R. Bargenquast, MD's license?

NPPES lists Wisconsin license number 22956, 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 James R. Bargenquast, MD prescribe under Medicare Part D?

In 2024, James R. Bargenquast, MD had 147 Medicare Part D claims for 44 beneficiaries; the average among hospitalist physician prescribers was 521. 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.