CARLOS CUELLAR CASTILLO
NPI 1962031120
Pediatrics in Washington, DC
About Carlos Cuellar Castillo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARLOS CUELLAR CASTILLO (NPI 1962031120) is an individual pediatrics provider in Washington, District Of Columbia, licensed in District Of Columbia (MD210011997) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS.
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 (PECOS)
Carlos Cuellar Castillo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Carlos Cuellar Castillo 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20010 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 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 Carlos Cuellar Castillo's NPI number?
The NPI number for Carlos Cuellar Castillo is 1962031120. It was assigned to this individual provider in the NPPES registry on April 8, 2020.
Where is Carlos Cuellar Castillo located?
Carlos Cuellar Castillo practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 476-5000.
What is Carlos Cuellar Castillo's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Carlos Cuellar Castillo enrolled in Medicare?
Yes. Carlos Cuellar Castillo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Carlos Cuellar Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Cuellar Castillo 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 Carlos Cuellar Castillo'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 Carlos Cuellar Castillo was last updated on June 2, 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.