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Obstetrics/Gynecology

Timothy E. Wiess, MD

Works at hospitals in Crown Point, IN · Michigan City, IN · Munster, IN … · Indiana

Summary

Timothy E. Wiess, MD (Obstetrics/Gynecology) is listed by Medicare at 5 hospitals in Crown Point, IN, Michigan City, IN and Munster, IN and other places. NPI 1710910815. 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 Timothy E. Wiess, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
Loyola University Of Chicago, Stritch School Of MedicineMedical school
MaleGender (as listed)
Franciscan Physician NetworkGroup practice

Quick answers

Which hospitals does Timothy E. Wiess work at?
Medicare's official clinician data lists Timothy E. Wiess at 5 hospitals: Franciscan Health Crown Point, Franciscan Health Michigan City, Franciscan Health Munster, Methodist Hospitals Inc and St Mary Medical Center Inc. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Timothy E. Wiess see patients?
Medicare's clinician data lists 1 practice location in Crown Point, IN. Call before your visit to confirm the address.
What is Timothy E. Wiess's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Timothy E. Wiess accept Medicare assignment?
Yes. Medicare's clinician data says Timothy E. Wiess 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 Timothy E. Wiess?
(219) 661-3260, as listed in official Medicare / NPI Registry data.
What is Timothy E. Wiess's NPI number?
1710910815. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Timothy E. Wiess works

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

Group practices

Medicare enrollment lists Timothy E. Wiess as a member of this group (CMS data updated 2026-10-02).

  • Franciscan Physician Network1,170 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Indiana →

Other OB-GYNs in Crown Point

Clinicians with the same Medicare primary specialty in Crown Point, IN — not a recommendation.

All OB-GYNs in Crown Point →

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710910815
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