MARK D MARILLEY MD
NPI 1407852353
Internal Medicine - Gastroenterology in Stuart, FL
About Mark D Marilley Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK D MARILLEY MD (NPI 1407852353) is an individual gastroenterology provider in Stuart, Florida, licensed in Florida (ME157995) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Sacred Heart Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 7
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark D Marilley Md 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.
Areas of Expertise CMS Part B claims
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sacred Heart Hospital
Acute Care Hospitals · Pensacola, FLAdventhealth Ocala
Acute Care Hospitals · Ocala, FLShorepoint Health Port Charlotte
Acute Care Hospitals · Port Charlotte, FLHca Florida Lawnwood Hospital
Acute Care Hospitals · Fort Pierce, FLBaptist Health Hardin
Acute Care Hospitals · Elizabethtown, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 34994 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
STUART, FL 34994
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 Mark Marilley's NPI number?
The NPI number for Mark Marilley is 1407852353. It was assigned to this individual provider in the NPPES registry on June 24, 2005.
Where is Mark Marilley located?
Mark Marilley practices at 200 SE Hospital Ave, Stuart, FL 34994. The listed phone number is (772) 287-5200.
What is Mark Marilley's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Mark Marilley enrolled in Medicare?
Yes. Mark Marilley 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.
What insurance does Mark Marilley accept?
Health plans from Blue Cross and Blue Shield of NC, Medica and Providence Health Plan list Mark Marilley 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 Mark Marilley affiliated with any hospitals?
According to CMS data, Mark Marilley is affiliated with Sacred Heart Hospital, Adventhealth Ocala, Shorepoint Health Port Charlotte, Hca Florida Lawnwood Hospital and Baptist Health Hardin.
When was this NPI record last updated?
The NPPES record for Mark Marilley was last updated on June 17, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
