MRS. SANDY MARCHAS DUNCAN APRN
NPI 1255336103
Nurse Practitioner - Adult Health in Marietta, GA

Active since June 16, 2005PECOS EnrolledAccepts Medicare Assignment
90.8/100
CMS Quality Rating
55 WHITCHER ST NE, SUITE 350, MARIETTA, GA 30060(770) 424-6893(678) 819-0357 Get Directions Write a Review

NPPES record last updated: July 16, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mrs. Sandy Marchas Duncan Aprn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. SANDY MARCHAS DUNCAN APRN (NPI 1255336103) is an individual adult health provider in Marietta, Georgia, licensed in Georgia (149029) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1255336103
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMRS. SANDY MARCHAS DUNCANCredential: APRN
Location Address55 WHITCHER ST NE, SUITE 350Marietta, GA 30060-1155
Mailing Address55 Whitcher St Ne, Suite 350Marietta, GA 30060-1155 · (770) 424-6893 · Fax (678) 819-0357
Fax(678) 819-0357
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJune 16, 2005
Last NPPES UpdateJuly 16, 2012
NPI 1255336103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License Licensed in GA · 149029
55 WHITCHER ST NE, Marietta, GA 30060

Other Names 1

Former Name (1)Sandy Marchas Joseph Aprn

Other Identifiers 3

Medicare PIN202I502755GA
Medicare UPINP78486GA
Medicaid000975653BGA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mrs. Sandy Marchas Duncan Aprn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557254760
PECOS Enrollment IDI20040203000400
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30060 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.8/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability98
Improvement Activities20

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Nephrology)
55 WHITCHER ST NE, STE 460
MARIETTA, GA 30060
Surgery
55 WHITCHER ST NE, SUIT 130
MARIETTA, GA 30060
Physician Assistant
55 WHITCHER ST NE, SUITE 350
MARIETTA, GA 30060
Internal Medicine (Critical Care Medicine)
55 WHITCHER ST NE, SUITE 160
MARIETTA, GA 30060
Internal Medicine (Clinical Cardiac Electrophysiology)
55 WHITCHER ST NE, SUITE 350
MARIETTA, GA 30060
Internal Medicine (Clinical Cardiac Electrophysiology)
55 WHITCHER ST NE, SUITE 350
MARIETTA, GA 30060
Nurse Practitioner (Acute Care)
55 WHITCHER ST NE
MARIETTA, GA 30060
Nurse Practitioner (Family)
55 WHITCHER ST NE, SUITE 250
MARIETTA, GA 30060

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sandy Duncan's NPI number?

The NPI number for Sandy Duncan is 1255336103. It was assigned to this individual provider in the NPPES registry on June 16, 2005. The provider is also known as Sandy Marchas Joseph Aprn.

Where is Sandy Duncan located?

Sandy Duncan practices at 55 Whitcher St NE Suite 350, Marietta, GA 30060. The listed phone number is (770) 424-6893.

What is Sandy Duncan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Sandy Duncan enrolled in Medicare?

Yes. Sandy Duncan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Sandy Duncan was last updated on July 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.