KAREN E JOHNSON MD
NPI 1285707018
Internal Medicine - Pulmonary Disease in Alexandria, VA
About Karen E Johnson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN E JOHNSON MD (NPI 1285707018) is an individual pulmonary disease provider in Alexandria, Virginia, licensed in Virginia (0101054749) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karen E Johnson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karen Johnson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1588717755 (Virginia)
- 167 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.
Physician 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.
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 Karen Johnson's NPI number?
The NPI number for Karen Johnson is 1285707018. It was assigned to this individual provider in the NPPES registry on November 17, 2006.
Where is Karen Johnson located?
Karen Johnson practices at 2000 North Beauregard St Ste 360, Alexandria, VA 22311. The listed phone number is (703) 924-9004.
What is Karen Johnson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Karen Johnson enrolled in Medicare?
Yes. Karen Johnson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karen Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Johnson reassigns Medicare benefits to Inova Health Care Services (Falls Church, VA). 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 Karen Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Johnson accept?
Health plans from Oscar Health list Karen Johnson 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.
When was this NPI record last updated?
The NPPES record for Karen Johnson was last updated on May 12, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.