Mark D Marilley, MD - Medicare Gastroenterology in Stuart, FL

Mark D Marilley, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Stuart, Florida. He went to Columbia University College Of Physicians And Surgeons and graduated in 1996 and has 28 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Catholic Health Initiatives Colorado and his current practice location is 200 Se Hospital Ave, Stuart, Florida. You can reach out to his office (for appointments etc.) via phone at (772) 287-5200.

Mark D Marilley is licensed to practice in Georgia (license number 350085209) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1407852353.

Contact Information

Mark D Marilley, MD
200 Se Hospital Ave,
Stuart, FL 34994-2346
(772) 287-5200
Not Available

Map and Direction




Physician's Profile

Full NameMark D Marilley
GenderMale
SpecialityGastroenterology
Experience28 Years
Location200 Se Hospital Ave, Stuart, Florida
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark D Marilley attended and graduated from Columbia University College Of Physicians And Surgeons in 1996
  NPI Data:
  • NPI Number: 1407852353
  • Provider Enumeration Date: 06/24/2005
  • Last Update Date: 08/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9234031105
  • Enrollment ID: I20211129001426

Medical Identifiers

Medical identifiers for Mark D Marilley such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1407852353NPI-NPPES
2521248MedicaidOH
1011688500001MedicaidPA
144T9OtherNCBCBSNC
3810001403MedicaidWV
5906555MedicaidNC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 21764 (West Virginia)Secondary
207RG0100XInternal Medicine - Gastroenterology ME157995 (Florida)Secondary
207RG0100XInternal Medicine - Gastroenterology MD425171 (Pennsylvania)Secondary
207RG0100XInternal Medicine - Gastroenterology MD192722 (Oregon)Secondary
207RG0100XInternal Medicine - Gastroenterology 200700105 (North Carolina)Secondary
207RG0100XInternal Medicine - Gastroenterology DR.0067585 (Colorado)Secondary
207RG0100XInternal Medicine - Gastroenterology 350085209 (Georgia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Regional Medical CenterDurango, COHospital
Lawnwood Regional Medical Center & Heart InstituteFort pierce, FLHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Catholic Health Initiatives Colorado8022927342998

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mark D Marilley allows following entities to bill medicare on his behalf.
Entity NameCatholic Health Initiatives Colorado
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356783351
PECOS PAC ID: 8022927342
Enrollment ID: O20031215000462

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mark D Marilley is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mark D Marilley, MD
200 Se Hospital Ave,
Stuart, FL 34994-2346

Ph: (727) 287-5200
Mark D Marilley, MD
200 Se Hospital Ave,
Stuart, FL 34994-2346

Ph: (772) 287-5200

Reviews and Comments


Internal Medicine Doctors in Stuart, FL

Dr. Laura Munoz Beringer, M.D., MPH
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 614 Se Central Pkwy, Stuart, FL 34994
Phone: 772-266-0978    Fax: 772-380-4815
Gaurav R Shah, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 500 Se Osceola St, Ste 200, Stuart, FL 34994
Phone: 772-286-1550    Fax: 772-221-0569
Dr. Sajith Foustin Joseph, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 200 Se Hospital Ave # 2346, Stuart, FL 34994
Phone: 772-287-5200    
Dr. Ihsan Yassine,
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 1050 Se Monterey Rd Ste 303, Stuart, FL 34994
Phone: 772-288-2400    Fax: 772-419-0143
Priya Vikash Negandhi, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 200 Se Hospital Ave, Stuart, FL 34994
Phone: 772-223-5618    Fax: 772-288-5834
Dr. Resham Khilnani, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 500 Se Osceola St, Ste 200, Stuart, FL 34994
Phone: 772-286-1550    Fax: 772-221-0569
Dr. Joseph S Gage, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 1001 Se Monterey Commons Blvd, Suite 300, Stuart, FL 34996
Phone: 772-286-9400    Fax: 772-283-3832

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.