Quick answers
- Which hospitals does Ralph Villaran work at?
- Medicare's official clinician data lists Ralph Villaran at 5 hospitals: Community Hospital, Methodist Hospitals Inc, Northwest Health - Porter, Northwestern Medicine Central Dupage Hospital and St Mary Medical Center Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ralph Villaran see patients?
- Medicare's clinician data lists 1 practice location in Valparaiso, IN. Call before your visit to confirm the address.
- What is Ralph Villaran's specialty?
- Medicare lists Infectious Disease as the primary specialty.
- Does Ralph Villaran accept Medicare assignment?
- Yes. Medicare's clinician data says Ralph Villaran 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 Ralph Villaran?
- (219) 972-1547, as listed in official Medicare / NPI Registry data.
- What is Ralph Villaran's NPI number?
- 1699858985. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ralph Villaran works
Medicare's Facility Affiliation Data lists Ralph Villaran at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community HospitalMunster, IN · Acute Care Hospital · CCN 150125
- Methodist Hospitals IncGary, IN · Acute Care Hospital · CCN 150002
- Northwest Health - PorterValparaiso, IN · Acute Care Hospital · CCN 150035
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- St Mary Medical Center IncHobart, IN · Acute Care Hospital · CCN 150034
Practice locations
Addresses where Ralph Villaran is enrolled with Medicare (CMS data updated 2026-10-02).
- 2701 Leonard Dr, Suite BValparaiso, IN 46383 (219) 972‑1547
Group practices
Medicare enrollment lists Ralph Villaran as a member of this group (CMS data updated 2026-10-02).
- Infectious Disease Specialists PC11 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Valparaiso
Clinicians with the same Medicare primary specialty in Valparaiso, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699858985 |
| 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