James R Bargenquast, MD
Hospitalist · Internal Medicine (CMS) · Appleton, WI
At a glance
1818 N Meade St, Appleton, WI 54911-3454
NPPES record updated Aug 9, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1818 N Meade StAppleton, WI 54911-3454
Additional reported practice locations
1405 Mill StNew London, WI 549612155
Phone: 9205312400
Fax: 9205312450 2380 N Ferguson Ave
Suite 104
Tucson, AZ 857122837
Phone: 5202983321
Fax: 5207332305 130 2Nd St
Neenah, WI 549562883
Phone: 9207292738
Fax: 9207293021
Education & affiliations
- Medical / professional school
- Saint Louis University School Of Medicine
- Graduation year
- 1979
- CMS specialties
- Hospitalist · Internal Medicine
Practice groups
Reported hospital affiliations
- Thedacare Medical Center - Berlin Inc Berlin, WI
- Thedacare Medical Center - New London New London, WI
- Thedacare Medical Center-Waupaca Waupaca, WI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Hospitalist · Internal Medicine (CMS)
- Taxonomy code
- 208M00000X
- Enumeration date
- Jun 19, 2006
- Record updated
- Aug 9, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207R00000X
License reported: 15491 AZ
208M00000X · Primary
License reported: 22956 WI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1818 N Meade StAppleton, WI 54911-3454
- Phone
- (920) 735-7645
- Fax
- (920) 735-7618
Mailing address
1818 N MEADE STAPPLETON, WI 549113454
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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