Ronnie C Marrache, MD - Medicare Internal Medicine in Waterville, ME

Ronnie C Marrache, MD is a medicare enrolled "Hospitalist" physician in Waterville, Maine. He went to Medical College Of Georgia School Of Medicine and graduated in 1994 and has 30 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Piedmont Hospitalist Physicians Llc, Adventist Health System Georgia Inc and his current practice location is 109 Silver St, Waterville, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 872-0866.

Ronnie C Marrache is licensed to practice in Georgia (license number 040730) 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 1821172396.

Contact Information

Ronnie C Marrache, MD
109 Silver St,
Waterville, ME 04901
(207) 872-0866
(207) 872-8098

Map and Direction




Physician's Profile

Full NameRonnie C Marrache
GenderMale
SpecialityInternal Medicine
Experience30 Years
Location109 Silver St, Waterville, Maine
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:
  • Ronnie C Marrache attended and graduated from Medical College Of Georgia School Of Medicine in 1994
  NPI Data:
  • NPI Number: 1821172396
  • Provider Enumeration Date: 10/24/2006
  • Last Update Date: 05/24/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 7214911544
  • Enrollment ID: I20170621003240

Medical Identifiers

Medical identifiers for Ronnie C Marrache such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821172396NPI-NPPES
132900099MedicaidME
025781OtherMEANTHEM

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 014513 (Maine)Secondary
208M00000XHospitalist 040730 (Georgia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sebasticook Valley HealthPittsfield, MEHospital
Maine General Medical CenterAugusta, MEHospital
Adventhealth MurrayChatsworth, GAHospital
Huggins HospitalWolfeboro, NHHospital
Mayo Regional HospitalDover foxcroft, MEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Piedmont Hospitalist Physicians Llc1951299163330
Adventist Health System Georgia Inc4486568037184

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. Ronnie C Marrache allows following entities to bill medicare on his behalf.
Entity NameAdventist Health System Georgia Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699791343
PECOS PAC ID: 4486568037
Enrollment ID: O20031203000557
Entity NamePiedmont Hospitalist Physicians Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548219660
PECOS PAC ID: 1951299163
Enrollment ID: O20040309000820
Entity NameCogent Healthcare Of Georgia Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609827823
PECOS PAC ID: 2961483607
Enrollment ID: O20040527000856

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. Ronnie C Marrache 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
Ronnie C Marrache, MD
4700 Waters Ave,
Savannah, GA 31404-6220

Ph: (912) 350-1316
Ronnie C Marrache, MD
109 Silver St,
Waterville, ME 04901

Ph: (207) 872-0866

Reviews and Comments


Hospitalist Doctors in Waterville, ME

Brett Uhler,
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 149 North St, Waterville, ME 04901
Phone: 207-861-5000    Fax: 207-861-5001
Benjamin M Brown, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 149 North St, Waterville, ME 04901
Phone: 207-872-1270    Fax: 207-872-1831
Ahmed A Aldilaimi, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 149 North St, Waterville, ME 04901
Phone: 207-872-1000    Fax: 207-873-4514
Todd W Miller, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 149 North St, Waterville, ME 04901
Phone: 207-872-1270    Fax: 207-872-1831

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.