MARK A STEVES MD
NPI 1144210667
Surgery - Surgical Oncology in Washington, DC
About Mark A Steves Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK A STEVES MD (NPI 1144210667) is an individual surgical oncology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD17917) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of Emory University School Of Medicine (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Mark A Steves 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
4Medicare enrollment records show Mark Steves reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Whc Physician Group LLC
- 613 clinicians in this Medicare group
Silver Spring, MD 20910
- Reassigned Medicare billing, District of Columbia enrollment
- 234 clinicians in this Medicare group
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holy Cross Hospital
Acute Care Hospitals · Silver Spring, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20010 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.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Steves's NPI number?
The NPI number for Mark Steves is 1144210667. It was assigned to this individual provider in the NPPES registry on October 26, 2005.
Where is Mark Steves located?
Mark Steves practices at 106 Irving St NW Suite N-3900, Washington, DC 20010. The listed phone number is (202) 877-3912.
What is Mark Steves's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Mark Steves enrolled in Medicare?
Yes. Mark Steves 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 Steves's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Steves reassigns Medicare benefits to 4 organizations: Medstar Medical Group II LLC (Washington, DC), Whc Emerg Phys (Washington, DC), Professional Services Of Holy Cross (Silver Spring, MD) and Johns Hopkins University (Bethesda, MD). 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 Steves's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Steves affiliated with any hospitals?
According to CMS data, Mark Steves is affiliated with Holy Cross Hospital.
When was this NPI record last updated?
The NPPES record for Mark Steves was last updated on September 11, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.