Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Ronnie C Marrache, MD

Individual provider Internal Medicine Physician · NPI 1821172396

Ronnie C Marrache, MD is an Internal Medicine in Waterville, Maine. Qualified in 1994, 32 years ago. Practices with Adventist Health System Georgia Inc, a 244-clinician group and accepts Medicare assignment. Licensed in Georgia and Maine.

Years since qualifying
32
Licensed in
GA, ME
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

109 Silver St
Waterville, ME 04901
Phone: (207) 872-0866
Fax: (207) 872-8098
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 040730 (GA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 014513 (ME)

Record details

NPI number1821172396
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 24, 2006
Last updated in NPPESMay 24, 2017
Mailing address4700 Waters Ave, Savannah, GA 31404-6220

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice Adventist Health System Georgia Inc — 244 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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