MECHTHILD SULLIVAN NP
NPI 1144273152
Nurse Practitioner - Gerontology in Washington, DC
About Mechthild Sullivan Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MECHTHILD SULLIVAN NP (NPI 1144273152) is an individual gerontology provider in Washington, District Of Columbia, licensed in District Of Columbia (RN960691) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mechthild Sullivan Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mechthild Sullivan 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
- 87 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 3
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 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.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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
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 Mechthild Sullivan's NPI number?
The NPI number for Mechthild Sullivan is 1144273152. It was assigned to this individual provider in the NPPES registry on May 19, 2006.
Where is Mechthild Sullivan located?
Mechthild Sullivan practices at 110 Irving St NW Suite 2a38, Washington, DC 20010. The listed phone number is (202) 877-0218.
What is Mechthild Sullivan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Mechthild Sullivan enrolled in Medicare?
Yes. Mechthild Sullivan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mechthild Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mechthild Sullivan reassigns Medicare benefits to Medstar Total Elder Care 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 Mechthild Sullivan'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 Mechthild Sullivan was last updated on October 25, 2021. 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.