RACHEL R MARCUS M.D.
NPI 1811953870
Specialist in Danville, PA
About Rachel R Marcus M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RACHEL R MARCUS M.D. (NPI 1811953870) is an individual specialist in Danville, Pennsylvania, licensed in District Of Columbia (MD30443) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Medstar Union Memorial Hospital, and is a graduate of Stanford University School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
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
Rachel R Marcus M.d. 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 Reassignments
3Medicare enrollment records show Rachel Marcus reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Danville, PA 17822
- Reassigned Medicare billing, District of Columbia enrollment
- 18 clinicians in this Medicare group
Baltimore, MD 21239
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 3,530 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 277 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.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medstar Union Memorial Hospital
Acute Care Hospitals · Baltimore, MDMedstar Good Samaritan Hospital
Acute Care Hospitals · Baltimore, MDGeisinger-Community Medical Center
Acute Care Hospitals · Scranton, PAGeisinger Medical Center
Acute Care Hospitals · Danville, PAGeisinger Wyoming Valley Medical Center
Acute Care Hospitals · Wilkes Barre, PAMedicare 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.
DANVILLE, PA 17822
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 Rachel Marcus's NPI number?
The NPI number for Rachel Marcus is 1811953870. It was assigned to this individual provider in the NPPES registry on April 26, 2006.
Where is Rachel Marcus located?
Rachel Marcus practices at 100 N Academy Ave, Danville, PA 17822. The listed phone number is (570) 271-6523.
What is Rachel Marcus's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Rachel Marcus enrolled in Medicare?
Yes. Rachel 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 organizations bill Medicare for Rachel Marcus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Marcus reassigns Medicare benefits to 3 organizations: Geisinger Clinic (Danville, PA), Medstar Medical Group II LLC (Baltimore, MD) and Medstar Heart Institute LLC (Washington, DC). Each 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 Rachel Marcus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Rachel Marcus affiliated with any hospitals?
According to CMS data, Rachel Marcus is affiliated with Medstar Union Memorial Hospital, Medstar Good Samaritan Hospital, Geisinger-Community Medical Center, Geisinger Medical Center and Geisinger Wyoming Valley Medical Center.
When was this NPI record last updated?
The NPPES record for Rachel Marcus was last updated on December 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.