NPPES file of Aug 9, 2026

Leslie Tillman, CRNP

Pediatric Nurse Practitioner · Rockville, MD

Leslie Tillman, CRNP is a pediatric nurse practitioner with a practice address in Rockville, Maryland, and NPI 1518396985, issued on Nov 6, 2013. Check the license (Maryland AC001267, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518396985
Name
Leslie Tillman
Credential
CRNP
Primary taxonomy
Pediatric Nurse Practitioner 363LP0200X
License numbers
AC001267 MD
0024172978 VA
Self-reported in NPPES; status is on the state search
Practice location
9850 Key West Ave, Rockville, MD 20850
Phone
(301) 765-5400
Enumerated
Nov 6, 2013
Record last updated
Oct 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220401000013); accepts Medicare assignment
Medical or professional school
Vanderbilt University School Of Medicine, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest pediatric nurse practitioner records → All 585 in Maryland → Look up another NPI →

Also registered at 9850 Key West Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jacqueline Calbert, MDDevelopmental - Behavioral Pediatrics Physician1326133232
  2. Rosa Dastrange, O.D.Optometrist1083925457
  3. Jennifer Lan, M.D.Allergy & Immunology Physician1396035929
  4. Eugene Trembisky, MPTOrthopedic Physical Therapist1841317849
  5. Mallika Umamaheswaran, M.D.Pediatric Adolescent Medicine Physician1386699247

Verify Leslie Tillman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license AC001267    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Children's HospitalWashington, DC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Leslie Tillman among 585 pediatric nurse practitioner records in Maryland

Leslie Tillman, CRNP is one of 585 pediatric nurse practitioner records with a practice address in Maryland. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 47% of them.

  • NPI issued2013 · 47% of these records are older, 50% newer
  • In a Medicare fileYes · 38% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated2013 · median 2016 among the 45 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Nurse Practitioner providers in Maryland

There are 585 pediatric nurse practitioner records in Maryland.

All 585 in Maryland → Every provider in Rockville → Pediatric Nurse Practitioner nationwide →

The 8 pediatric nurse practitioner records with the nearest ZIP codes

  1. Catherine BustiosRockville, MD 208501154869162
  2. Katherine Carrera Pena, DNPRockville, MD 208501669240065
  3. Anne Denicoff, CPNPRockville, MD 208501114926326
  4. Lauren Dome, RN/NPRockville, MD 208501992782627
  5. Valerie Mandelkorn, CPNPRockville, MD 208501407378052
  6. Bridget CongerRockville, MD 208521285946616
  7. Daisey Cormier, NPRockville, MD 208521275421307
  8. Sarah Eissler, MSN, CPNPRockville, MD 208521902880792

Common questions

What is Leslie Tillman, CRNP's NPI number?

Leslie Tillman, CRNP's National Provider Identifier (NPI) is 1518396985, issued on Nov 6, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Leslie Tillman, CRNP located?

The NPPES record lists a practice address at 9850 Key West Ave, Rockville, MD, 20850. Phone: (301) 765-5400. Providers update this record themselves, so call before visiting.

How can I verify Leslie Tillman, CRNP's license?

NPPES lists Maryland license number AC001267, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.