LESLEY ELIZABETH HAMILTON-FOX M.D.
NPI 1689813503
Pathology - Anatomic Pathology & Clinical Pathology in Round Rock, TX

Active since February 17, 2009PECOS EnrolledAccepts Medicare Assignment
94.52/100
CMS Quality Rating
201 SETON PARKWAY, SETON MEDICAL CENTER WILLIAMSON, ROUND ROCK, TX 78665(512) 814-0298(512) 597-2713 Get Directions Write a Review

NPPES record last updated: October 29, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lesley Elizabeth Hamilton-fox M.d. NPPES

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

LESLEY ELIZABETH HAMILTON-FOX M.D. (NPI 1689813503) is an individual anatomic pathology & clinical pathology provider in Round Rock, Texas, licensed in Texas (M9339) and active in the NPI registry since February 2009. She is enrolled in Medicare PECOS and is a graduate of Texas A & M University System, Hsc, College Of Medicine (2004).

NPPES Registry Identity

NPI1689813503
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameLESLEY ELIZABETH HAMILTON-FOXCredential: M.D.
Location Address201 SETON PARKWAY, SETON MEDICAL CENTER WILLIAMSONRound Rock, TX 78665
Mailing AddressPo Box 2386, Brazos Valley PathologyRound Rock, TX 78664 · (210) 332-0980 · Fax (512) 597-2713
Fax(512) 597-2713
Sole ProprietorNo
Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 2004
Enumeration DateFebruary 17, 2009
Last NPPES UpdateOctober 29, 2014
✔ NPI 1689813503 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in TX · M9339
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedPathology · HematologyTaxonomy 207ZH0000X · License M9339 (TX)
201 SETON PARKWAY, Round Rock, TX 78665

Other Identifiers 2

Other8L13048TX · Medicare
Medicaid2027567TX

Accepted Insurance

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

Lesley Elizabeth Hamilton-fox M.d. 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 ID5496804486
PECOS Enrollment IDI20090521000476
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 Reassignments

2

Medicare enrollment records show Lesley Hamilton-fox reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anatomic Pathology & Clinical Pathology
12221 N MOPAC EXPY
Austin, TX 78758
  • Reassigned Medicare billing, Texas enrollment
  • 107 clinicians in this Medicare group
Anatomic Pathology & Clinical Pathology
3445 EXECUTIVE CENTER DR STE 250
Austin, TX 78731
  • Reassigned Medicare billing, Texas enrollment
  • 7 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

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
32 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78665 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality97.88
Improvement Activities40
Cost84.56

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pathology (Anatomic Pathology & Clinical Pathology)
201 SETON PARKWAY, SETON MEDICAL CENTER WILLIAMSON
ROUND ROCK, TX 78665
Pathology (Anatomic Pathology & Clinical Pathology)
201 SETON PARKWAY, SETON MEDICAL CENTER WILLIAMSON
ROUND ROCK, TX 78665
Nurse Practitioner (Acute Care)
201 SETON PARKWAY, SETON MEDICAL CENTER WILLIAMSON
ROUND ROCK, TX 78665
Pathology (Anatomic Pathology & Clinical Pathology)
201 SETON PARKWAY, SETON MEDICAL CENTER WILLIAMSON
ROUND ROCK, TX 78665
Internal Medicine (Critical Care Medicine)
201 SETON PARKWAY
ROUND ROCK, TX 78665
General Acute Care Hospital
201 SETON PARKWAY
ROUND ROCK, TX 78665
Pathology (Anatomic Pathology & Clinical Pathology)
201 SETON PARKWAY, SETON MEDICAL CENTER WILLIAMSON
ROUND ROCK, TX 78665

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 Hamilton-fox's NPI number?

The NPI number for Lesley Hamilton-fox is 1689813503. It was assigned to this individual provider in the NPPES registry on February 17, 2009.

Where is Lesley Hamilton-fox located?

Lesley Hamilton-fox practices at 201 Seton Parkway Seton Medical Center Williamson, Round Rock, TX 78665. The listed phone number is (512) 814-0298.

What is Lesley Hamilton-fox's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Lesley Hamilton-fox enrolled in Medicare?

Yes. Lesley Hamilton-fox 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 organizations bill Medicare for Lesley Hamilton-fox's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lesley Hamilton-fox reassigns Medicare benefits to 2 organizations: Austin Pathology Associates (Austin, TX) and Brazos Valley Pathology, PLLC (Austin, TX). Each 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 Hamilton-fox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lesley Hamilton-fox accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Harbor Health, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Lesley Hamilton-fox as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lesley Hamilton-fox was last updated on October 29, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.