DR. ADRIANA FONSECA SHERIDAN MD
NPI 1699427922
Pediatrics - Pediatric Hematology-Oncology in Washington, DC
About Dr. Adriana Fonseca Sheridan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ADRIANA FONSECA SHERIDAN MD (NPI 1699427922) is an individual pediatric hematology-oncology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD210001612) and active in the NPI registry since January 2022. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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. Adriana Fonseca Sheridan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Adriana Fonseca Sheridan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 clinicians in this Medicare group
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia enrollment
- 2,618 clinicians in this Medicare group
Fairfax, VA 22031
- Reassigned Medicare billing, District of Columbia enrollment
- 128 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 Adriana Fonseca Sheridan's NPI number?
The NPI number for Adriana Fonseca Sheridan is 1699427922. It was assigned to this individual provider in the NPPES registry on January 18, 2022. The provider is also known as Dr. Adriana Fonseca MD.
Where is Adriana Fonseca Sheridan located?
Adriana Fonseca Sheridan practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 476-2800.
What is Adriana Fonseca Sheridan's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Adriana Fonseca Sheridan enrolled in Medicare?
Yes. Adriana Fonseca Sheridan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Adriana Fonseca Sheridan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adriana Fonseca Sheridan reassigns Medicare benefits to 3 organizations: Children's Hospital (Washington, DC), Inova Health Care Services (Falls Church, VA) and Pediatric Specialists Of Virginia, LLC (Fairfax, VA). 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 Adriana Fonseca Sheridan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Adriana Fonseca Sheridan accept?
Health plans from Oscar Health list Adriana Fonseca Sheridan 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.
When was this NPI record last updated?
The NPPES record for Adriana Fonseca Sheridan was last updated on January 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Adriana Fonseca Sheridan, MD · NPI 1699427922
Pediatric Hematology-Oncology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since January 18, 2022.
## Identity
- **NPI:** 1699427922 (Entity type: Individual)
- **Enumerated:** January 18, 2022
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** MD210001612 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 MICHIGAN AVE NW, Washington, DC 20010-2916
- **Phone:** (202) 476-2800
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Children's Hospital (NPI 1780800128, Washington, DC); Inova Health Care Services (NPI 1952320061, Falls Church, VA); Pediatric Specialists Of Virginia, LLC (NPI 1699119818, Fairfax, VA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 26, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1699427922) · Data from the CMS NPPES public registry.