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Marshes Medical Diagnostic Clinic, PC

Nephrology Physician in Brunswick, GA · enumerated 2006 · authorized official Andrea Callahan, Sec/Treas.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1013922699

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Registry record

Entity type Organization (Type 2)
Legal business name Marshes Medical Diagnostic Clinic, PC
Practice address 2705 Wildwood Dr, Brunswick, GA, 31520
Phone (912) 264-6133
Fax (912) 267-1415
Enumeration date Jul 30, 2006
Last updated in NPPES Jun 1, 2009

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Secondary
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Andrea Callahan
Title Sec/Treas
Phone (912) 264-6133

Other identifiers

Identifier Type State Issuer
CL1232 Other GA RAILROAD MEDICARE
GRP 1465 Other GA CAHABA MEDICARE

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Who is the authorized official for Marshes Medical Diagnostic Clinic, PC?
NPPES lists Andrea Callahan (Sec/Treas) as the authorized official for this organization.
What is the NPI number for Marshes Medical Diagnostic Clinic, PC?
The NPI for Marshes Medical Diagnostic Clinic, PC is 1013922699, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-06-01.