DR. GHALEB HALASEH MD
NPI 1477075109
Internal Medicine - Infectious Disease in Washington, DC
About Dr. Ghaleb Halaseh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GHALEB HALASEH MD (NPI 1477075109) is an individual infectious disease provider in Washington, District Of Columbia, licensed in District Of Columbia (MD210011993) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Ghaleb Halaseh 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 Ghaleb Halaseh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20036
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 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 10
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20036 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ghaleb Halaseh's NPI number?
The NPI number for Ghaleb Halaseh is 1477075109. It was assigned to this individual provider in the NPPES registry on July 14, 2017.
Where is Ghaleb Halaseh located?
Ghaleb Halaseh practices at 1133 21st St NW Bldg 2, Washington, DC 20036. The listed phone number is (202) 416-2000.
What is Ghaleb Halaseh's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Ghaleb Halaseh enrolled in Medicare?
Yes. Ghaleb Halaseh 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 Ghaleb Halaseh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ghaleb Halaseh reassigns Medicare benefits to Medstar Medical Group II LLC (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 Ghaleb Halaseh'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 Ghaleb Halaseh was last updated on July 11, 2023. 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.