Quick answers
- Which hospitals does Nicolas Castellano work at?
- Medicare's official clinician data lists Nicolas Castellano at 5 hospitals: Bayhealth Medical Center, Kent Campus, Hancock Regional Hospital, Mercy Catholic Medical Center- Mercy Fitzgerald, Nazareth Hospital and Wellstar Spalding Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nicolas Castellano see patients?
- Medicare's clinician data lists 11 practice locations, including Mount Vernon, IL, Darby, PA and Nyack, NY. Call before your visit to confirm the address.
- What is Nicolas Castellano's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty.
- Does Nicolas Castellano accept Medicare assignment?
- Yes. Medicare's clinician data says Nicolas Castellano 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 Nicolas Castellano offer telehealth?
- Medicare's clinician data says Nicolas Castellano offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Nicolas Castellano?
- (618) 242-4600, as listed in official Medicare / NPI Registry data.
- What is Nicolas Castellano's NPI number?
- 1215194337. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nicolas Castellano works
Medicare's Facility Affiliation Data lists Nicolas Castellano at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bayhealth Medical Center, Kent CampusDover, DE · Acute Care Hospital · CCN 080004
- Hancock Regional HospitalGreenfield, IN · Acute Care Hospital · CCN 150037
- Mercy Catholic Medical Center- Mercy FitzgeraldDarby, PA · Acute Care Hospital · CCN 390156
- Nazareth HospitalPhiladelphia, PA · Acute Care Hospital · CCN 390204
- Wellstar Spalding Medical CenterGriffin, GA · Acute Care Hospital · CCN 110031
Practice locations
Addresses where Nicolas Castellano is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.
- 1 Good Samaritan Way, SSM Health Good SamaritanMount Vernon, IL 62864 (618) 242‑4600
- 1500 Lansdowne AveDarby, PA 19023 (866) 212‑7753
- 160 N Midland AveNyack, NY 10960 (845) 348‑2000
- 2600 Saint Michael DrTexarkana, TX 75503 (903) 614‑5110
- 2601 Holme AvePhiladelphia, PA 19152 (866) 212‑7753
Group practices
Medicare enrollment lists Nicolas Castellano as a member of these groups (CMS data updated 2026-10-02).
- Cogent Healthcare of Texas PA113 clinicians in the group
- Critical Care Physicians of Pennsylvania PC51 clinicians in the group
- Critical Care Physician of New York PC45 clinicians in the group
- Critical Care Physicians of Illinois LLC38 clinicians in the group
- Hospitalist Medicine Physicians of Delaware, PA33 clinicians in the group
- Sound Physicians Intensivists of Georgia PC20 clinicians in the group
Specialties
- Critical Care (Intensivists)primary
Find other Critical Care (Intensivists) doctors in Illinois →
Other critical care doctors in Mount Vernon
Clinicians with the same Medicare primary specialty in Mount Vernon, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1215194337 |
| 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