NPPES file of Aug 9, 2026

Leslie Preston Giles, FNP-C

Family Nurse Practitioner · Austin, TX

Leslie Preston Giles, FNP-C is a family nurse practitioner with a practice address in Austin, Texas, and NPI 1598068108, issued on Dec 21, 2010. Check the license (Texas AP119073, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598068108
Name
Leslie Preston Giles
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP119073 TX
Self-reported in NPPES; status is on the state search
Practice location
6801 S IH 35, Austin, TX 78744
Phone
(512) 978-9960
Enumerated
Dec 21, 2010
Record last updated
Sep 16, 2024
Fax
(512) 901-9746
Medicare enrollment
Enrolled (PECOS I20130404000399); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 6801 S IH 35

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

  1. Annalisa Heck, D.D.S.General Practice Dentistry1841505245
  2. Ebelechukwu Nwagbata, M.DFamily Medicine Physician1508997925
  3. Michael Salas, D.D.S.Dentist1497136444

Verify Leslie Preston Giles in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license AP119073
    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 Texas 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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81% fewer Medicare Part D claims than the average family nurse practitioner in 2024

247 Medicare Part D claims for 187 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Leslie Giles247
  2. Specialty average1,305

Most prescribed

  1. Amoxicillin-Clavulanate Potass18 claims
  2. Amoxicillin16 claims
  3. Azithromycin13 claims
  4. Paxlovid11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $41.47

2 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leslie Giles$41.47
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Memorial Hermann Urgent Care PLLCConroe, TX

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

Leslie Preston Giles among 21,242 family nurse practitioner records in Texas

Leslie Preston Giles, FNP-C is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 12% of them.

  • NPI issued2010 · 12% of these records are older, 86% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2010 · median 2018 among the 11,286 with a school on file
  • Record last updated2024 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

876 family nurse practitioner records list a practice address in Austin

They are 876 of the 26,585 NPPES records with a practice address in Austin, and 21,242 family nurse practitioner records in Texas.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Ifeyinwa AdamsAustin, TX 787441871204206
  2. Manju Alex, FNPAustin, TX 787441508341991
  3. Veronica Holt, NPAustin, TX 787441770257917
  4. Chad Hutchens, RNAustin, TX 787441710638069
  5. Yoonmi KimAustin, TX 787441083179279
  6. Michelle Kuczkowski, APRN, FNP-CAustin, TX 787441285245753
  7. Christine Nasri, FNP-C, DNPAustin, TX 787441063788065
  8. Kathy Pong, FNPAustin, TX 787441477628402

Common questions

What is Leslie Preston Giles, FNP-C's NPI number?

Leslie Preston Giles, FNP-C's National Provider Identifier (NPI) is 1598068108, issued on Dec 21, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Leslie Preston Giles, FNP-C located?

The NPPES record lists a practice address at 6801 S IH 35, Austin, TX, 78744. Phone: (512) 978-9960. Providers update this record themselves, so call before visiting.

How can I verify Leslie Preston Giles, FNP-C's license?

NPPES lists Texas license number AP119073, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Leslie Preston Giles, FNP-C prescribe under Medicare Part D?

In 2024, Leslie Preston Giles, FNP-C had 247 Medicare Part D claims for 187 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.

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.