DR. LESLEY ANNE CARLETON NP
NPI 1437098712
Anesthesiology - Critical Care Medicine in Houston, TX

Active since March 25, 2026PECOS EnrolledAccepts Medicare Assignment
18220 STATE HIGHWAY 249, HOUSTON, TX 77070(512) 636-0349 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Lesley Anne Carleton Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LESLEY ANNE CARLETON NP (NPI 1437098712) is an individual critical care medicine provider in Houston, Texas, licensed in Texas (1230236) and active in the NPI registry since March 2026. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Willowbrook Hospital, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1437098712
Entity TypeIndividualFemale
Primary Taxonomy207LC0200X
Provider Legal NameDR. LESLEY ANNE CARLETONCredential: NP
Location Address18220 STATE HIGHWAY 249Houston, TX 77070-4347
Mailing Address293 Berkley DrMontgomery, TX 77356-2304 · (512) 636-0349
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateMarch 25, 2026
Last NPPES UpdateJune 8, 2026
NPPES CertifiedJune 8, 2026
✔ NPI 1437098712 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LC0200X
License✔ Licensed in TX · 1230236
Definition
An anesthesiologist, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
18220 STATE HIGHWAY 249, Houston, TX 77070

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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

Dr. Lesley Anne Carleton Np 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.

PECOS PAC ID6103399555
PECOS Enrollment IDI20260626000426
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Lesley Carleton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Otolaryngology
7550 GREENBRIAR DR STE 600
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 1,579 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Houston Methodist Willowbrook Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450844
Location18220 State Highway 249Houston, TX 77070 · Harris County
Emergency services Birthing friendly

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.

Dietitian, Registered
18220 STATE HIGHWAY 249
HOUSTON, TX 77070
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
18220 STATE HIGHWAY 249
HOUSTON, TX 77070
Internal Medicine
18220 STATE HIGHWAY 249
HOUSTON, TX 77070
Orthopaedic Surgery (Sports Medicine)
18220 STATE HIGHWAY 249, SUITE 400
HOUSTON, TX 77070
Emergency Medicine
18220 STATE HIGHWAY 249
HOUSTON, TX 77070
Physical Therapy Assistant
18220 STATE HIGHWAY 249, STE. 150
HOUSTON, TX 77070
Family Medicine
18220 STATE HIGHWAY 249
HOUSTON, TX 77070
Internal Medicine
18220 STATE HIGHWAY 249, SUITE 350
HOUSTON, TX 77070

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 Lesley Carleton's NPI number?

The NPI number for Lesley Carleton is 1437098712. It was assigned to this individual provider in the NPPES registry on March 25, 2026.

Where is Lesley Carleton located?

Lesley Carleton practices at 18220 State Highway 249, Houston, TX 77070. The listed phone number is (512) 636-0349.

What is Lesley Carleton's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.

Is Lesley Carleton enrolled in Medicare?

Yes. Lesley Carleton 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 Lesley Carleton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lesley Carleton reassigns Medicare benefits to Houston Methodist Specialty Physicians (Houston, TX). 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 Lesley Carleton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Lesley Carleton affiliated with any hospitals?

According to CMS data, Lesley Carleton is affiliated with Houston Methodist Willowbrook Hospital.

When was this NPI record last updated?

The NPPES record for Lesley Carleton was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.