Quick answers
- Which hospitals does Konstantinos Leou work at?
- Medicare's official clinician data lists Konstantinos Leou at 2 hospitals: St Joseph's University Medical Center Inc and Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Konstantinos Leou see patients?
- Medicare's clinician data lists 2 practice locations, including Hoboken, NJ and Paterson, NJ. Call before your visit to confirm the address.
- What is Konstantinos Leou's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty.
- Does Konstantinos Leou accept Medicare assignment?
- Yes. Medicare's clinician data says Konstantinos Leou 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 Konstantinos Leou?
- (800) 825-5391, as listed in official Medicare / NPI Registry data.
- What is Konstantinos Leou's NPI number?
- 1306269493. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Konstantinos Leou works
Medicare's Facility Affiliation Data lists Konstantinos Leou at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Joseph's University Medical Center IncPaterson, NJ · Acute Care Hospital · CCN 310019
- Valley HospitalParamus, NJ · Acute Care Hospital · CCN 310012
Practice locations
Addresses where Konstantinos Leou is enrolled with Medicare (CMS data updated 2026-10-02).
- 108 Jackson St, Apt 6bHoboken, NJ 07030 (800) 825‑5391
- 703 Main StPaterson, NJ 07503 (973) 754‑6331
Group practices
Medicare enrollment lists Konstantinos Leou as a member of these groups (CMS data updated 2026-10-02).
- Valley Physician Services PC592 clinicians in the group
- St Josephs Medical Group PC216 clinicians in the group
Specialties
- Critical Care (Intensivists)primary
Find other Critical Care (Intensivists) doctors in New Jersey →
Other critical care doctors in Hoboken
Clinicians with the same Medicare primary specialty in Hoboken, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306269493 |
| 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