DR. YASER AMEEN DIAB M.D.
NPI 1467612135
Pediatrics - Pediatric Hematology-Oncology in Washington, DC
About Dr. Yaser Ameen Diab M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YASER AMEEN DIAB M.D. (NPI 1467612135) is an individual pediatric hematology-oncology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD036719) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2000).
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. Yaser Ameen Diab 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 Yaser Diab 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 Yaser Diab's NPI number?
The NPI number for Yaser Diab is 1467612135. It was assigned to this individual provider in the NPPES registry on June 16, 2008.
Where is Yaser Diab located?
Yaser Diab practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 476-2800.
What is Yaser Diab's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Yaser Diab enrolled in Medicare?
Yes. Yaser Diab 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 Yaser Diab's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yaser Diab 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 Yaser Diab'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 Yaser Diab was last updated on June 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Yaser Ameen Diab, M.D. · NPI 1467612135
Pediatric Hematology-Oncology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since June 16, 2008.
## Identity
- **NPI:** 1467612135 (Entity type: Individual)
- **Enumerated:** June 16, 2008
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** MD036719 (District of Columbia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 111 MICHIGAN AVE NW, Washington, DC 20010-2916
- **Phone:** (202) 476-2800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Children's Hospital (NPI 1780800128, Washington, DC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** June 7, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1467612135) · Data from the CMS NPPES public registry.