DR. NICHOLAS JOSEPH SERNIAK III M.D.
NPI 1124408802
Colon & Rectal Surgery in Ft Lauderdale, FL
About Dr. Nicholas Joseph Serniak Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NICHOLAS JOSEPH SERNIAK III M.D. (NPI 1124408802) is an individual colon & rectal surgery provider in Ft Lauderdale, Florida, licensed in Florida (ME179350) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Nicholas Joseph Serniak Iii M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Nicholas Serniak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ft. Lauderdale, FL 33308
- Reassigned Medicare billing, Florida enrollment
- 393 clinicians in this Medicare group
Dushore, PA 18614
- Reassigned Medicare billing, Pennsylvania and New York enrollments
- Medicare enrollment name: Guthrie Medical Group PC
- Also billed through NPI 1245246644 (New York)
- 830 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holy Cross Hospital
Acute Care Hospitals · Fort Lauderdale, FLRobert Packer Hospital
Acute Care Hospitals · Sayre, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33308 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FT LAUDERDALE, FL 33308
FORT LAUDERDALE, FL 33308
FORT LAUDERDALE, FL 33308
FORT LAUDERDALE, FL 33308
FORT LAUDERDALE, FL 33308
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Nicholas Serniak's NPI number?
The NPI number for Nicholas Serniak is 1124408802. It was assigned to this individual provider in the NPPES registry on June 8, 2015.
Where is Nicholas Serniak located?
Nicholas Serniak practices at 4725 N Federal Hwy, Ft Lauderdale, FL 33308. The listed phone number is (954) 771-8000.
What is Nicholas Serniak's specialty?
The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.
Is Nicholas Serniak enrolled in Medicare?
Yes. Nicholas Serniak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Nicholas Serniak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Serniak reassigns Medicare benefits to 2 organizations: Holy Cross Hospital Inc (Ft. Lauderdale, FL) and Guthrie Medical Group, P.C. (Dushore, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nicholas Serniak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas Serniak accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, AvMed and Cigna HealthCare of Florida, Inc. and 4 other insurers list Nicholas Serniak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Nicholas Serniak affiliated with any hospitals?
According to CMS data, Nicholas Serniak is affiliated with Holy Cross Hospital and Robert Packer Hospital.
When was this NPI record last updated?
The NPPES record for Nicholas Serniak was last updated on March 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.