MARY T DONOFRIO MD
NPI 1386704633
Pediatrics - Pediatric Cardiology in Washington, DC
About Mary T Donofrio Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY T DONOFRIO MD (NPI 1386704633) is an individual pediatric cardiology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD034875) and active in the NPI registry since December 2006. She 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)
Mary T Donofrio Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mary Donofrio reassigns Medicare billing to 2 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
Gaithersburg, MD 20878
- Reassigned Medicare billing, District of Columbia enrollment
- 340 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 Mary Donofrio's NPI number?
The NPI number for Mary Donofrio is 1386704633. It was assigned to this individual provider in the NPPES registry on December 9, 2006.
Where is Mary Donofrio located?
Mary Donofrio practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 884-2020.
What is Mary Donofrio's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Mary Donofrio enrolled in Medicare?
Yes. Mary Donofrio is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Donofrio's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Donofrio reassigns Medicare benefits to 2 organizations: Children's Hospital (Washington, DC) and Adventist Physician Services, Inc. (Gaithersburg, MD). 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 Mary Donofrio'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 Mary Donofrio was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# Mary T Donofrio, MD · NPI 1386704633
Pediatric Cardiology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since December 9, 2006.
## Identity
- **NPI:** 1386704633 (Entity type: Individual)
- **Enumerated:** December 9, 2006
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** MD034875 (District of Columbia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 111 MICHIGAN AVE NW, Washington, DC 20010-2978
- **Phone:** (202) 884-2020
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Children's Hospital (NPI 1780800128, Washington, DC); Adventist Physician Services, Inc. (NPI 1376623207, Gaithersburg, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1386704633) · Data from the CMS NPPES public registry.