Quick answers
- Which hospitals does Crystal I. Tuncay work at?
- Medicare's official clinician data lists Crystal I. Tuncay at 5 hospitals: Franciscan Health Crown Point, Franciscan Health Michigan City, Northwest Health - Porter, St Catherine Hospital Inc and St Mary Medical Center Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Crystal I. Tuncay see patients?
- Medicare's clinician data lists 4 practice locations, including Valparaiso, IN, Chesterton, IN and East Chicago, IN. Call before your visit to confirm the address.
- What is Crystal I. Tuncay's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Emergency Medicine.
- Does Crystal I. Tuncay accept Medicare assignment?
- Yes. Medicare's clinician data says Crystal I. Tuncay 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 Crystal I. Tuncay offer telehealth?
- Medicare's clinician data says Crystal I. Tuncay offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Crystal I. Tuncay?
- (219) 548-3843, as listed in official Medicare / NPI Registry data.
- What is Crystal I. Tuncay's NPI number?
- 1992790414. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Crystal I. Tuncay works
Medicare's Facility Affiliation Data lists Crystal I. Tuncay at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Franciscan Health Crown PointCrown Point, IN · Acute Care Hospital · CCN 150126
- Franciscan Health Michigan CityMichigan City, IN · Acute Care Hospital · CCN 150015
- Northwest Health - PorterValparaiso, IN · Acute Care Hospital · CCN 150035
- St Catherine Hospital IncEast Chicago, IN · Acute Care Hospital · CCN 150008
- St Mary Medical Center IncHobart, IN · Acute Care Hospital · CCN 150034
Practice locations
Addresses where Crystal I. Tuncay is enrolled with Medicare (CMS data updated 2026-10-02).
- 2505 Calumet AveValparaiso, IN 46383 (219) 548‑3843
- 425 Sand Creek Dr, Suite CChesterton, IN 46304
- 4321 Fir StEast Chicago, IN 46312 (219) 392‑7005
- 650 Dickinson RdChesterton, IN 46304
Group practices
Medicare enrollment lists Crystal I. Tuncay as a member of these groups (CMS data updated 2026-10-02).
- Community Care Network Inc379 clinicians in the group
- Chesterton Physical Therapy Inc186 clinicians in the group
- Porter Physician Services LLC99 clinicians in the group
Specialties
- Internal Medicineprimary
- Emergency Medicinealso
Other internal medicine doctors in Valparaiso
Clinicians with the same Medicare primary specialty in Valparaiso, IN — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1992790414 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians