MS. LESLIE TILLMAN CRNP
NPI 1518396985
Nurse Practitioner - Pediatrics in Rockville, MD
About Ms. Leslie Tillman Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. LESLIE TILLMAN CRNP (NPI 1518396985) is an individual pediatrics provider in Rockville, Maryland, licensed in Virginia (0024172978) and active in the NPI registry since November 2013. She is enrolled in Medicare PECOS, maintains a secondary practice location in Lanham, and is a graduate of Vanderbilt University School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Ms. Leslie Tillman Crnp 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 Leslie Tillman 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 20850 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
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 Leslie Tillman's NPI number?
The NPI number for Leslie Tillman is 1518396985. It was assigned to this individual provider in the NPPES registry on November 6, 2013.
Where is Leslie Tillman located?
Leslie Tillman practices at 9850 Key West Ave, Rockville, MD 20850. The listed phone number is (301) 765-5400.
What is Leslie Tillman's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Leslie Tillman enrolled in Medicare?
Yes. Leslie Tillman 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 Leslie Tillman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Tillman 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 Leslie Tillman'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 Leslie Tillman was last updated on October 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.