STEPHEN P. ROSENFELD M.D.
NPI 1184621344
Internal Medicine - Cardiovascular Disease in Alexandria, VA
About Stephen P. Rosenfeld M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN P. ROSENFELD M.D. (NPI 1184621344) is an individual cardiovascular disease provider in Alexandria, Virginia, licensed in Virginia (0101033091) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and is a graduate of University Of Cincinnati College Of Medicine (1974).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 5
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
Stephen P. Rosenfeld 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 Stephen Rosenfeld reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1588717755 (Virginia)
- 2,618 clinicians in this Medicare group
Vienna, VA 22182
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 57 clinicians in this Medicare group
Dulles, VA 20166
- Reassigned Medicare billing, Virginia enrollment
- 41 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 16
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.
Inova Alexandria Hospital
Acute Care Hospitals · Alexandria, VAVirginia Hospital Center
Acute Care Hospitals · Arlington, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAInova Fair Oaks Hospital
Acute Care Hospitals · Fairfax, VAInova Mount Vernon Hospital
Acute Care Hospitals · Alexandria, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22311 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALEXANDRIA, VA 22311
ALEXANDRIA, VA 22311
ALEXANDRIA, VA 22311
ALEXANDRIA, VA 22311
ALEXANDRIA, VA 22311
ALEXANDRIA, VA 22311
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 Stephen Rosenfeld's NPI number?
The NPI number for Stephen Rosenfeld is 1184621344. It was assigned to this individual provider in the NPPES registry on July 2, 2005.
Where is Stephen Rosenfeld located?
Stephen Rosenfeld practices at 4825 Mark Center Dr Ste 150, Alexandria, VA 22311. The listed phone number is (703) 751-8111.
What is Stephen Rosenfeld's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Stephen Rosenfeld enrolled in Medicare?
Yes. Stephen Rosenfeld 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 Stephen Rosenfeld's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Rosenfeld reassigns Medicare benefits to 3 organizations: Inova Health Care Services (Falls Church, VA), The Cardiovascular Group, PC (Vienna, VA) and Northern Virginia Community Hospital LLC (Dulles, 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 Stephen Rosenfeld's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Rosenfeld accept?
Health plans from Oscar Health list Stephen Rosenfeld 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 Stephen Rosenfeld affiliated with any hospitals?
According to CMS data, Stephen Rosenfeld is affiliated with Inova Alexandria Hospital, Virginia Hospital Center, Inova Fairfax Hospital, Inova Fair Oaks Hospital and Inova Mount Vernon Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Rosenfeld was last updated on December 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.