SERENA HOLDER MARCUS RN, ACNP-BC
NPI 1891071155
Nurse Practitioner - Acute Care in Marietta, GA
About Serena Holder Marcus Rn, Acnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SERENA HOLDER MARCUS RN, ACNP-BC (NPI 1891071155) is an individual acute care provider in Marietta, Georgia, licensed in Georgia (RN160363) and active in the NPI registry since October 2011. She is enrolled in Medicare PECOS, is affiliated with Wellstar Kennestone Regional Medical Center, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Serena Holder Marcus Rn, Acnp-bc 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.
Medicare Billing Reassignment
Medicare enrollment records show Serena Marcus reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Marietta, GA 30060
- Reassigned Medicare billing, Georgia enrollment
- 3,885 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wellstar Kennestone Regional Medical Center
Acute Care Hospitals · Marietta, GAPhysician 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.
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.
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.
MARIETTA, GA 30060
MARIETTA, GA 30060
MARIETTA, GA 30060
MARIETTA, GA 30060
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 Serena Marcus's NPI number?
The NPI number for Serena Marcus is 1891071155. It was assigned to this individual provider in the NPPES registry on October 31, 2011.
Where is Serena Marcus located?
Serena Marcus practices at 61 Whitcher St NE Suite 3110, Marietta, GA 30060. The listed phone number is (770) 422-2326.
What is Serena Marcus's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Serena Marcus enrolled in Medicare?
Yes. Serena Marcus 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.
Which organization bills Medicare for Serena Marcus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Serena Marcus reassigns Medicare benefits to Wellstar Medical Group, LLC (Marietta, GA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Serena Marcus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Serena Marcus accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 2 other insurers list Serena Marcus as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Serena Marcus affiliated with any hospitals?
According to CMS data, Serena Marcus is affiliated with Wellstar Kennestone Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Serena Marcus was last updated on August 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Serena Holder Marcus, RN, ACNP-BC · NPI 1891071155
Acute Care physician in Marietta, Georgia. Individual provider, active in the CMS NPPES registry since October 31, 2011.
## Identity
- **NPI:** 1891071155 (Entity type: Individual)
- **Enumerated:** October 31, 2011
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** RN160363 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 61 WHITCHER ST NE, SUITE 3110, Marietta, GA 30060
- **Phone:** (770) 422-2326 · **Fax:** (770) 422-7797
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Wellstar Medical Group, LLC (NPI 1760775738, Marietta, GA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** August 17, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1891071155) · Data from the CMS NPPES public registry.