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Internal Medicine

Tiffany Marinier, DO

Works at hospitals in La Crosse, WI · Wisconsin

Summary

Tiffany Marinier, DO (Internal Medicine) is listed by Medicare at 1 hospital in La Crosse, WI. NPI 1144343161. 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 Tiffany Marinier, 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
YesOffers telehealth
22Years since medical school (graduated 2004)
At Still University Of Health Sciences, College Of Osteo Med, KirksvilleMedical school
FemaleGender (as listed)
Gundersen Lutheran Medical Center IncGroup practice (+1 more)

Quick answers

Which hospitals does Tiffany Marinier work at?
Medicare's official clinician data lists Tiffany Marinier at 1 hospital: Gundersen Lutheran Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Tiffany Marinier see patients?
Medicare's clinician data lists 2 practice locations, including La Crosse, WI. Call before your visit to confirm the address.
What is Tiffany Marinier's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Tiffany Marinier accept Medicare assignment?
Yes. Medicare's clinician data says Tiffany Marinier 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.
Does Tiffany Marinier offer telehealth?
Medicare's clinician data says Tiffany Marinier offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Tiffany Marinier?
(608) 782-7300, as listed in official Medicare / NPI Registry data.
What is Tiffany Marinier's NPI number?
1144343161. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Tiffany Marinier works

Medicare's Facility Affiliation Data lists Tiffany Marinier 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 Tiffany Marinier is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Tiffany Marinier as a member of these groups (CMS data updated 2026-10-02).

  • Gundersen Lutheran Medical Center Inc895 clinicians in the group
  • Gundersen Clinic Ltd418 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wisconsin →

Other internal medicine doctors in La Crosse

Clinicians with the same Medicare primary specialty in La Crosse, WI — not a recommendation.

All internal medicine doctors in La Crosse →

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year2004
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1144343161
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