JOANN PFUNDSTEIN M.D.
NPI 1912900598
Internal Medicine in Fairfax, VA
About Joann Pfundstein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANN PFUNDSTEIN M.D. (NPI 1912900598) is an individual internal medicine provider in Fairfax, Virginia, licensed in Virginia (0101052483) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS, is affiliated with Virginia Hospital Center, and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (1990).
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
Joann Pfundstein 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 Reassignment
Medicare enrollment records show Joann Pfundstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fairfax, VA 22031
- Reassigned Medicare billing, District of Columbia enrollment
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 8
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Virginia Hospital Center
Acute Care Hospitals · Arlington, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22031 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.
Reported Quality Measures
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.
FAIRFAX, VA 22031
FAIRFAX, VA 22031
FAIRFAX, VA 22031
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 Joann Pfundstein's NPI number?
The NPI number for Joann Pfundstein is 1912900598. It was assigned to this individual provider in the NPPES registry on May 27, 2005.
Where is Joann Pfundstein located?
Joann Pfundstein practices at 3020 Hamaker Ct Suite B102, Fairfax, VA 22031. The listed phone number is (571) 327-5107.
What is Joann Pfundstein's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Joann Pfundstein enrolled in Medicare?
Yes. Joann Pfundstein 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 organization bills Medicare for Joann Pfundstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joann Pfundstein reassigns Medicare benefits to Joann Pfundstein, MD, LLC (Fairfax, 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 Joann Pfundstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Joann Pfundstein affiliated with any hospitals?
According to CMS data, Joann Pfundstein is affiliated with Virginia Hospital Center and Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for Joann Pfundstein was last updated on September 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.