DR. MARK XENAKIS MD
NPI 1477586972
Internal Medicine - Interventional Cardiology in Midlothian, VA
About Dr. Mark Xenakis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK XENAKIS MD (NPI 1477586972) is an individual interventional cardiology provider in Midlothian, Virginia, licensed in Virginia (0101234821) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with John Randolph Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Other Identifiers 5
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
Dr. Mark Xenakis Md 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 Mark Xenakis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Richmond, VA 23235
- Reassigned Medicare billing, Virginia enrollment
- 53 clinicians in this Medicare group
Richmond, VA 23235
- Reassigned Medicare billing, Virginia enrollment
- Medicare enrollment name: Bon Secours St Marys Hospital Of Richmond LLC
- 164 clinicians in this Medicare group
Colonial Heights, VA 23834
- Reassigned Medicare billing, Virginia enrollment
- 46 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
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.
John Randolph Medical Center
Acute Care Hospitals · Hopewell, VABon Secours Southside Medical Center
Acute Care Hospitals · Petersburg, VABon Secours Southampton Memorial Hospital
Acute Care Hospitals · Franklin, VABon Secours Southern Virginia Medical Center
Acute Care Hospitals · Emporia, VACjw Medical Center
Acute Care Hospitals · Richmond, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 23112 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MIDLOTHIAN, VA 23112
MIDLOTHIAN, VA 23112
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 Mark Xenakis's NPI number?
The NPI number for Mark Xenakis is 1477586972. It was assigned to this individual provider in the NPPES registry on July 8, 2006.
Where is Mark Xenakis located?
Mark Xenakis practices at 13572 Waterford Pl, Midlothian, VA 23112. The listed phone number is (804) 560-8782.
What is Mark Xenakis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Mark Xenakis enrolled in Medicare?
Yes. Mark Xenakis 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 Mark Xenakis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Xenakis reassigns Medicare benefits to 3 organizations: Chippenham & Johnston-Willis Hospitals, Inc. (Richmond, VA), Bon Secours St Mary's Hospital Of Richmond LLC (Richmond, VA) and James River Cardiology, LLC (Colonial Heights, VA). 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 Mark Xenakis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Xenakis affiliated with any hospitals?
According to CMS data, Mark Xenakis is affiliated with John Randolph Medical Center, Bon Secours Southside Medical Center, Bon Secours Southampton Memorial Hospital, Bon Secours Southern Virginia Medical Center and Cjw Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Xenakis was last updated on March 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Mark Xenakis, MD · NPI 1477586972
Interventional Cardiology physician in Midlothian, Virginia. Individual provider, active in the CMS NPPES registry since July 8, 2006.
## Identity
- **NPI:** 1477586972 (Entity type: Individual)
- **Enumerated:** July 8, 2006
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** 0101234821 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 13572 WATERFORD PL, Midlothian, VA 23112-3928
- **Phone:** (804) 560-8782 · **Fax:** (804) 288-6591
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Chippenham & Johnston-Willis Hospitals, Inc. (NPI 1366689747, Richmond, VA); Bon Secours St Mary's Hospital Of Richmond LLC (NPI 1265719504, Richmond, VA); James River Cardiology, LLC (NPI 1407157647, Colonial Heights, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** March 10, 2025
- **Other identifiers:** Other 8689624 (VA); Other 2108911 (VA); Medicaid 010028302 (VA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1477586972) · Data from the CMS NPPES public registry.