GEORGE ZALZAL MD
NPI 1043300429
Otolaryngology - Pediatric Otolaryngology in Washington, DC
About George Zalzal Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEORGE ZALZAL MD (NPI 1043300429) is an individual pediatric otolaryngology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD15641) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1979).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
George Zalzal 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 Reassignment
Medicare enrollment records show George Zalzal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 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.
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
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 George Zalzal's NPI number?
The NPI number for George Zalzal is 1043300429. It was assigned to this individual provider in the NPPES registry on October 13, 2006.
Where is George Zalzal located?
George Zalzal practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 884-2159.
What is George Zalzal's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is George Zalzal enrolled in Medicare?
Yes. George Zalzal 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 George Zalzal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), George Zalzal reassigns Medicare benefits to Children's Hospital (Washington, DC). 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 George Zalzal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for George Zalzal was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.