DR. WISSAM SABRI ZAEETER M.D.
NPI 1801191408
Internal Medicine in Fairfax, VA
About Dr. Wissam Sabri Zaeeter M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WISSAM SABRI ZAEETER M.D. (NPI 1801191408) is an individual internal medicine provider in Fairfax, Virginia, licensed in Virginia (0101269045) and active in the NPI registry since January 2011. He is enrolled in Medicare PECOS, is affiliated with Warren Memorial Hospital, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
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)
Dr. Wissam Sabri Zaeeter M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
10Medicare enrollment records show Wissam Zaeeter reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfax, VA 22033
- Reassigned Medicare billing, District of Columbia enrollment
- 113 clinicians in this Medicare group
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 1,534 clinicians in this Medicare group
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Fredericksburg, VA 22401
- Reassigned Medicare billing, Virginia enrollment
- 258 clinicians in this Medicare group
Front Royal, VA 22630
- Reassigned Medicare billing, Virginia enrollment
- 364 clinicians in this Medicare group
Winchester, VA 22601
- Reassigned Medicare billing, Virginia enrollment
- 371 clinicians in this Medicare group
Strasburg, VA 22657
- Reassigned Medicare billing, Virginia enrollment
- Also billed through NPI 1407357015 (Virginia)
- 416 clinicians in this Medicare group
Berkeley Springs, WV 25411
- Reassigned Medicare billing, West Virginia enrollment
- 158 clinicians in this Medicare group
Romney, WV 26757
- Reassigned Medicare billing, West Virginia enrollment
- 156 clinicians in this Medicare group
Wheeling, WV 26003
- Reassigned Medicare billing, West Virginia enrollment
- 193 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 6
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.
Warren Memorial Hospital
Acute Care Hospitals · Front Royal, VAInova Alexandria Hospital
Acute Care Hospitals · Alexandria, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAInova Fair Oaks Hospital
Acute Care Hospitals · Fairfax, VAShenandoah Memorial Hospital
Critical Access Hospitals · Woodstock, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22033 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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 22033
FAIRFAX, VA 22033
FAIRFAX, VA 22033
FAIRFAX, VA 22033
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 Wissam Zaeeter's NPI number?
The NPI number for Wissam Zaeeter is 1801191408. It was assigned to this individual provider in the NPPES registry on January 13, 2011.
Where is Wissam Zaeeter located?
Wissam Zaeeter practices at 3600 Joseph Siewick Dr, Fairfax, VA 22033. The listed phone number is (703) 391-3532.
What is Wissam Zaeeter's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Wissam Zaeeter enrolled in Medicare?
Yes. Wissam Zaeeter is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Wissam Zaeeter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wissam Zaeeter reassigns Medicare benefits to 10 organizations: Fair Oaks Hospitalist Physicians, PLLC (Fairfax, VA), Privia Medical Group, LLC (Arlington, VA), Medstar Medical Group II LLC (Washington, DC), Hospitalist Medicine Physicians Of Fredericksburg, LLC (Fredericksburg, VA), Page Memorial Hospital, Inc. (Front Royal, VA) and 5 more organizations, listed in the Medicare section above. 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 Wissam Zaeeter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Wissam Zaeeter accept?
Health plans from Highmark Blue Cross Blue Shield West Virginia and Peak Health Insurance list Wissam Zaeeter 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 Wissam Zaeeter affiliated with any hospitals?
According to CMS data, Wissam Zaeeter is affiliated with Warren Memorial Hospital, Inova Alexandria Hospital, Inova Fairfax Hospital, Inova Fair Oaks Hospital and Shenandoah Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Wissam Zaeeter was last updated on April 7, 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. Wissam Sabri Zaeeter, M.D. · NPI 1801191408
Internal Medicine physician in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since January 13, 2011.
## Identity
- **NPI:** 1801191408 (Entity type: Individual)
- **Enumerated:** January 13, 2011
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 0101269045 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3600 JOSEPH SIEWICK DR, Fairfax, VA 22033-1709
- **Phone:** (703) 391-3532
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Fair Oaks Hospitalist Physicians, PLLC (NPI 1275601205, Fairfax, VA); Privia Medical Group, LLC (NPI 1013042480, Arlington, VA); Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Hospitalist Medicine Physicians Of Fredericksburg, LLC (NPI 1447577572, Fredericksburg, VA); Page Memorial Hospital, Inc. (NPI 1083236970, Front Royal, VA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** April 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1801191408) · Data from the CMS NPPES public registry.