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Internal Medicine

Jacob G. Thomas, MD

Works at hospitals in La Crosse, WI · Winona, MN · Wisconsin, Minnesota

Summary

Jacob G. Thomas, MD (Internal Medicine) is listed by Medicare at 2 hospitals in La Crosse, WI and Winona, MN. NPI 1740501493. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jacob G. Thomas, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
16Years since medical school (graduated 2010)
University Of Texas Medical Branch At GalvestonMedical school
MaleGender (as listed)
Winona Health ServicesGroup practice

Quick answers

Which hospitals does Jacob G. Thomas work at?
Medicare's official clinician data lists Jacob G. Thomas at 2 hospitals: Gundersen Lutheran Medical Center and Winona Health Services. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jacob G. Thomas see patients?
Medicare's clinician data lists 1 practice location in Winona, MN. Call before your visit to confirm the address.
What is Jacob G. Thomas's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Jacob G. Thomas accept Medicare assignment?
Yes. Medicare's clinician data says Jacob G. Thomas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jacob G. Thomas?
(507) 454-3650, as listed in official Medicare / NPI Registry data.
What is Jacob G. Thomas's NPI number?
1740501493. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jacob G. Thomas works

Medicare's Facility Affiliation Data lists Jacob G. Thomas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jacob G. Thomas is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jacob G. Thomas as a member of this group (CMS data updated 2026-10-02).

  • Winona Health Services169 clinicians in the group

Specialties

Find other Internal Medicine doctors in Minnesota →

Other internal medicine doctors in Winona

Clinicians with the same Medicare primary specialty in Winona, MN — not a recommendation.

All internal medicine doctors in Winona →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical Branch At Galveston
Graduation year2010
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740501493
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians