Quick answers
- Which hospitals does Nicholas J. Serniak work at?
- Medicare's official clinician data lists Nicholas J. Serniak at 2 hospitals: Holy Cross Hospital and Robert Packer Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nicholas J. Serniak see patients?
- Medicare's clinician data lists 7 practice locations, including Sayre, PA, Ithaca, NY and Fort Lauderdale, FL. Call before your visit to confirm the address.
- What is Nicholas J. Serniak's specialty?
- Medicare lists Colorectal Surgery (Proctology) as the primary specialty, and also General Surgery.
- Does Nicholas J. Serniak accept Medicare assignment?
- Yes. Medicare's clinician data says Nicholas J. Serniak 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 Nicholas J. Serniak?
- (607) 257-5858, as listed in official Medicare / NPI Registry data.
- What is Nicholas J. Serniak's NPI number?
- 1124408802. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nicholas J. Serniak works
Medicare's Facility Affiliation Data lists Nicholas J. Serniak at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Holy Cross HospitalFt Lauderdale, FL · Acute Care Hospital · CCN 100073
- Robert Packer HospitalSayre, PA · Acute Care Hospital · CCN 390079
Practice locations
Addresses where Nicholas J. Serniak is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1 Guthrie SqSayre, PA 18840
- 1780 Hanshaw RdIthaca, NY 14850 (607) 257‑5858
- 1940 NE 47th St, Suite 1Fort Lauderdale, FL 33308 (954) 771‑8000
- 317 W Lockhart St, SurgerySayre, PA 18840 (570) 887‑3920
- 4701 N Federal Hwy A39, Holy Cross Medical GroupFort Lauderdale, FL 33308 (954) 351‑7770
Group practices
Medicare enrollment lists Nicholas J. Serniak as a member of these groups (CMS data updated 2026-10-02).
- Guthrie Medical Group PC795 clinicians in the group
- Holy Cross Hospital Inc303 clinicians in the group
Specialties
Find other Colorectal Surgery (Proctology) doctors in Pennsylvania →
Other colorectal surgeons in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124408802 |
| 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