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WILLIAM C. LOCKETT MD
NPI 1174592265
Internal Medicine in Austin, TX

Active since March 14, 2006PECOS Enrolled
1250 S CAPITAL OF TEXAS HWY BLDG 3, FIRST FLOOR, AUSTIN, TX 78746(512) 334-2403(512) 334-2493 Get Directions Write a Review

NPPES record last updated: December 28, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About William C. Lockett Md NPPES

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

WILLIAM C. LOCKETT MD (NPI 1174592265) is an individual internal medicine provider in Austin, Texas, licensed in Texas (E8669) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174592265
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM C. LOCKETTCredential: MD
Location Address1250 S CAPITAL OF TEXAS HWY BLDG 3, FIRST FLOORAustin, TX 78746-6446
Mailing Address12221 Mopac Expressway NorthAustin, TX 78758-2483 · (512) 334-2403 · Fax (512) 334-2493
Phone(512) 334-2403
Fax(512) 334-2493
Sole ProprietorNo
Enumeration DateMarch 14, 2006
Last NPPES UpdateDecember 28, 2012
✔ NPI 1174592265 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 · E8669
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.
1250 S CAPITAL OF TEXAS HWY BLDG 3, Austin, TX 78746
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Other Identifiers 4

Medicare UPINC18489TX
Medicaid117624001TX
Medicare PIN110055234TX
Medicare PIN85E943TX

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William C. Lockett Md 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 Reassignment

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

The Austin Diagnostic Clinic, PLLC
11 mi
Cardiovascular Disease
12221 MO PAC EXPWY NORTH, DEPT OF CARDIOLOGY
Austin, TX 78758
  • Reassigned Medicare billing, Texas enrollment
  • 127 clinicians in this Medicare group
NPI 1104803816 (512) 901-4001

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 78746 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.

Referred Medical Equipment & Supplies CMS DME claims

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

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
2 suppliers11 claims11 services$44.17 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 5

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

RAYMOND C. PAXTON MD
Internal Medicine
1250 S CAPITAL OF TEXAS HWY BLDG 3, FIRST FLOOR
WEST LAKE HILLS, TX 78746
Travis County (512) 334-2403
RICHARD D. DEBEHNKE MD
Internal Medicine
1250 S CAPITAL OF TEXAS HWY BLDG 3, 1ST FLOOR
WEST LAKE HILLS, TX 78746
Travis County (512) 334-2403
DR. SAVITHA NUKAL MD
Internal Medicine
1250 S CAPITAL OF TEXAS HWY BLDG 3
WEST LAKE HILLS, TX 78746
Travis County (512) 334-2400
JERRY L. HOOD M.D.
Internal Medicine
1250 S CAPITAL OF TEXAS HWY BLDG 3, FIRST FLOOR
AUSTIN, TX 78746
Travis County (512) 334-2403
LAKSHMI VS TENNETI MD
Internal Medicine (Nephrology)
1250 S CAPITAL OF TEXAS HWY BLDG 3
WEST LAKE HILLS, TX 78746
Travis County (512) 901-4010

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 William Lockett's NPI number?

The NPI number for William Lockett is 1174592265. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Where is William Lockett located?

William Lockett practices at 1250 S Capital Of Texas Hwy Bldg 3 First Floor, Austin, TX 78746. The listed phone number is (512) 334-2403.

What is William Lockett's specialty?

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

Is William Lockett enrolled in Medicare?

Yes. William Lockett is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Lockett's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Lockett reassigns Medicare benefits to The Austin Diagnostic Clinic, PLLC (Austin, 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 William Lockett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Lockett was last updated on December 28, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.