AUSTIN LEMASTER
NPI 1881004034
Internal Medicine in Lakeway, TX

Active since April 28, 2014PECOS Enrolled
100 MEDICAL PKWY, LAKEWAY, TX 78738(512) 571-5000(512) 571-5198 Get Directions Write a Review

NPPES record last updated: January 12, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 12, 2022, Oct 1, 2020, Aug 15, 2018 and 1 more (4 updates tracked since 2017).

About Austin Lemaster NPPES

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

AUSTIN LEMASTER (NPI 1881004034) is an individual internal medicine provider in Lakeway, Texas, licensed in Texas (R1071) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881004034
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameAUSTIN LEMASTER
Location Address100 MEDICAL PKWYLakeway, TX 78738
Mailing AddressPo Box 844658Dallas, TX 75284-4658
Fax(512) 571-5198
Sole ProprietorNo
Enumeration DateApril 28, 2014
Last NPPES UpdateJanuary 12, 20224 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2022
✔ NPI 1881004034 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · R1071
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
100 MEDICAL PKWY, Lakeway, TX 78738

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Austin Lemaster is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Austin Lemaster reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1701 E PFLUGERVILLE PKWY
Pflugerville, TX 78660
  • Reassigned Medicare billing, Texas enrollment
  • 2,795 clinicians in this Medicare group
Internal Medicine
18951 N MEMORIAL DR
Humble, TX 77338
  • Reassigned Medicare billing, Texas enrollment
  • 2,009 clinicians in this Medicare group
Internal Medicine
8200 WALNUT HILL LN
Dallas, TX 75231
  • Reassigned Medicare billing, Texas enrollment
  • 1,208 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 78738 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
$131.95 typical visit price
range $57.88 – $174.00
Typical copayment $32.98 (range $14.47 – $43.50)
Most-billed visit code 99204
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%100 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
4 suppliers16 claims18 services$15.23 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers17 claims19 services$64.06 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine (Infectious Disease)
100 MEDICAL PKWY
LAKEWAY, TX 78738
Emergency Medicine
100 MEDICAL PKWY
LAKEWAY, TX 78738
Physician Assistant
100 MEDICAL PKWY
LAKEWAY, TX 78738
Anesthesiology (Pain Medicine)
100 MEDICAL PKWY
LAKEWAY, TX 78738
Anesthesiology
100 MEDICAL PKWY
LAKEWAY, TX 78738
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
100 MEDICAL PKWY
LAKEWAY, TX 78738
Radiology (Diagnostic Radiology)
100 MEDICAL PKWY
LAKEWAY, TX 78738
Hospitalist
100 MEDICAL PKWY
LAKEWAY, TX 78738

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 Austin Lemaster's NPI number?

The NPI number for Austin Lemaster is 1881004034. It was assigned to this individual provider in the NPPES registry on April 28, 2014.

Where is Austin Lemaster located?

Austin Lemaster practices at 100 Medical Pkwy, Lakeway, TX 78738. The listed phone number is (512) 571-5000.

What is Austin Lemaster's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Austin Lemaster enrolled in Medicare?

Yes. Austin Lemaster is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Austin Lemaster's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Austin Lemaster reassigns Medicare benefits to 3 organizations: Scott & White Clinic (Pflugerville, TX), Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX) and Cogent Healthcare Of Texas, PA (Dallas, 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 Austin Lemaster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Austin Lemaster accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Austin Lemaster 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 Austin Lemaster was last updated on January 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.