Individual provider Active NPI

James R Bargenquast, MD

  • Hospitalist Physician
  • Appleton, WI
National Provider Identifier
1386689537
Registry record updated Aug 9, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
22956 Issued in WI
Practice address
1818 N Meade St
Appleton, WI 54911-3454
Phone
(920) 735-7645
Fax
(920) 735-7618
NPI assigned
Jun 19, 2006
Last updated
Aug 9, 2023By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 9, 2023

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

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

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

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

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

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Saint Louis University School of Medicine, 1979
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Thedacare, IncorporatedGroup PAC ID 1759294887, 654 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
15491AZMDMental Health Counselor

Practice roles

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

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

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

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

Organizations & group practices 9

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

Hospital & facility affiliations 9

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

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1150675200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1691539200000",
    "number": "1386689537",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1818 N MEADE ST",
            "city": "APPLETON",
            "state": "WI",
            "postal_code": "549113454",
            "telephone_number": "920-731-4101",
            "fax_number": "920-830-5970"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1818 N MEADE ST",
            "city": "APPLETON",
            "state": "WI",
            "postal_code": "549113454",
            "telephone_number": "920-735-7645",
            "fax_number": "920-735-7618"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1405 Mill St",
            "address_purpose": "LOCATION",
            "city": "New London",
            "state": "WI",
            "postal_code": "549612155",
            "country_code": "US",
            "telephone_number": "920-531-2400",
            "fax_number": "920-531-2450",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2380 N Ferguson Ave",
            "address_2": "Suite 104",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857122837",
            "country_code": "US",
            "telephone_number": "520-298-3321",
            "fax_number": "520-733-2305",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "130 2nd St",
            "address_purpose": "LOCATION",
            "city": "Neenah",
            "state": "WI",
            "postal_code": "549562883",
            "country_code": "US",
            "telephone_number": "920-729-2738",
            "fax_number": "920-729-3021",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BARGENQUAST",
        "first_name": "JAMES",
        "middle_name": "R",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-19",
        "last_updated": "2023-08-09",
        "certification_date": "2023-08-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "15491",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "22956",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Appleton, WI

Sources for this page

Verify at the official NPI Registry.