James R Bargenquast, MD

Individual provider Active NPI Hospitalist Physician · Appleton, WI

NPI 1386689537 · NPPES record last updated Aug 9, 2023

Key facts

NPI
1386689537
Entity type
Individual (NPI type 1)
Primary specialty
Hospitalist Physician 208M00000X
License
22956 (WI)
Practice address
1818 N Meade St
Appleton, WI 54911-3454
Phone
(920) 735-7645
Fax
(920) 735-7618
NPI assigned
Jun 19, 2006
Sex
Male
Sole proprietor
No

Organizations & group practices 20

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 9

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

Medicare Care Compare profile

Specialty
Hospitalist
Also: Internal Medicine
Education
Saint Louis University School of Medicine, 1979
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Thedacare, Incorporated (654 clinicians)

Practice addresses (Care Compare)

1818 N Meade St
Appleton, WI 54911-3454
Phone (920) 735-7645

Hospital & facility affiliations

  • Thedacare at Home Hospice · Appleton, WI · CCN 521504
  • Thedacare Medical Center - Berlin Inc Hospital · Berlin, WI · CCN 521355
  • Thedacare Medical Center - New London Hospital · New London, WI · CCN 521326
  • Thedacare Medical Center-Waupaca Hospital · Waupaca, WI · CCN 521334
  • Thedacare Medical Center - New London Nursing home · CCN 52Z326

Medicare participation

Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20141119000381 WI Practitioner - Hospitalist
Practitioner - Internal Medicine
6709844939 Reassigns benefits to 4 organizations

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
15491AZMDMental Health Counselor
22956WIMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Thedacare Medical Center - Berlin, Inc. Current
since Jan 3, 2026
Accepting new patients
Thedacare Medical Center - New London, Inc Current
since Jan 1, 2026
Accepting new patients
Thedacare Medical Center - Berlin, Inc. Current
since Jan 3, 2026
Accepting new patients
Thedacare Medical Center - New London, Inc. Current
since Jan 1, 2026
Accepting new patients
Thedacare Medical Center - Waupaca, Inc. Current
since Jan 17, 2026
Accepting new patients
Thedacare Medical Center - Waupaca, Inc. Current
since Jan 17, 2026
Accepting new patients
Thedacare, Incorporated Current
since Nov 3, 2014
Accepting new patients

Locations

1601 W Saint Marys Rd
Tucson, AZ 85745
Phone (520) 622-5833

122 E College Ave
Appleton, WI 54911
Phone (920) 996-3264

4480 W Spencer St
Appleton, WI 54914
Phone (920) 738-4800

1818 N Meade St
Appleton, WI 54911
Phone (920) 731-4101

225 Memorial Dr
Berlin, WI 54923
Phone (920) 361-1313

130 2nd St
Neenah, WI 54956
Phone (920) 729-2063

3 Neenah Ctr
Neenah, WI 54956
Phone (920) 454-4229

1405 Mill St
New London, WI 54961
Phone (920) 531-2000

600 N Westhaven Dr
Oshkosh, WI 54904
Phone (920) 237-5000

800 Riverside Dr
Waupaca, WI 54981
Phone (715) 258-1000

Interoperability endpoints

  • Direct secure messaging: jbargenquast158990@direct.thedacare.org

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 15491 AZ
Hospitalist Physician 208M00000X 22956 WI Yes

Addresses

Primary practice location

1818 N Meade St
Appleton, WI 54911-3454

Mailing address

1818 N Meade St
Appleton, WI 54911-3454
Phone (920) 731-4101

Other practice location 1

1405 Mill St
New London, WI 54961-2155
Phone (920) 531-2400

Other practice location 2

2380 N Ferguson Ave
Suite 104
Tucson, AZ 85712-2837
Phone (520) 298-3321

Other practice location 3

130 2nd St
Neenah, WI 54956-2883
Phone (920) 729-2738

Other identifiers

IdentifierTypeStateIssuer
288721MedicaidAZ
AZ0769140OtherAZBCBSAZ
15491OtherAZAZ STATE MEDICAL LICENSE

Other providers in Appleton, WI

All providers in Appleton, WI · Hospitalist Physician in Wisconsin

Sources for this page

Verify at the official NPI Registry.