Mrs. Sandy Duncan APRN
Also known as
- Formerly known asJoseph, Sandy Marchas
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1255336103 is registered to Mrs. Sandy Duncan APRN, a Adult Health Nurse Practitioner practising at 55 Whitcher St Ne, Suite 350 in Marietta, Georgia. Adult Health Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mrs. Sandy Duncan APRN has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20040203000400Nurse PractitionerGA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Mrs. Sandy Duncan APRN accepts. To confirm in-network status with your specific health plan, contact Mrs. Sandy Duncan APRN directly at (770) 424-6893.
Frequently asked
Yes. NPI 1255336103 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Adult Health Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (770) 424-6893.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Mrs. Sandy Duncan APRN is a Type-1 individual NPI.