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JOHN REX WIER III MD
NPI 1194829267
Specialist in Austin, TX

Active since September 11, 2006Opted out of Medicare · through Oct 1, 2026
3724 JEFFERSON ST, STE 111, AUSTIN, TX 78731(512) 452-0109(512) 452-2706 Get Directions Write a Review

NPPES record last updated: July 16, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Rex Wier Iii Md NPPES

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

JOHN REX WIER III MD (NPI 1194829267) is an individual specialist in Austin, Texas and active in the NPI registry since September 2006. He has opted out of Medicare through October 1, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1194829267
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameJOHN REX WIER IIICredential: MD
Location Address3724 JEFFERSON ST, STE 111Austin, TX 78731-6219
Mailing Address3724 Jefferson St, Ste 111Austin, TX 78731-6219 · (512) 452-0109 · Fax (512) 452-2706
Phone(512) 452-0109
Fax(512) 452-2706
Sole ProprietorNo
Enumeration DateSeptember 11, 2006
Last NPPES UpdateJuly 16, 2007
✔ NPI 1194829267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
3724 JEFFERSON ST, Austin, TX 78731
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

John Rex Wier Iii Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2016 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2016
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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.

KIMBERLEY BANDELIER R.D., L.D.
Dietitian, Registered
3724 JEFFERSON ST, SUITE 104
AUSTIN, TX 78731
Travis County (512) 693-7045
ELIZABETH FOOT MPH, RDN, LDN
Dietitian, Registered
3724 JEFFERSON ST
AUSTIN, TX 78731
Travis County (512) 693-7045
MRS. LAURA GIANNONE MS,RD, CDN
Dietitian, Registered
3724 JEFFERSON ST
AUSTIN, TX 78731
Travis County (512) 693-7045
ILIVEWELL NUTRITION THERAPY LLC
Dietitian, Registered
3724 JEFFERSON ST, SUITE 316
AUSTIN, TX 78731
Travis County (512) 547-9274
DANIELLE BILLAT
Dietitian, Registered
3724 JEFFERSON ST
AUSTIN, TX 78731
Travis County (512) 963-7045
MARY LYNN MARINUCCI LCSW
Social Worker (Clinical)
3724 JEFFERSON ST, SUITE 200
AUSTIN, TX 78731
Travis County (512) 585-1445
LUZ ILEANA FELLOWS RD
Dietitian, Registered
3724 JEFFERSON ST
AUSTIN, TX 78731
Travis County (512) 693-7045
BOBBY L ARNOLD DDS PA
Dentist
3724 JEFFERSON ST, STE 100
AUSTIN, TX 78731
Travis County (512) 452-4661

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 John Wier's NPI number?

The NPI number for John Wier is 1194829267. It was assigned to this individual provider in the NPPES registry on September 11, 2006.

Where is John Wier located?

John Wier practices at 3724 Jefferson St Ste 111, Austin, TX 78731. The listed phone number is (512) 452-0109.

What is John Wier's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is John Wier enrolled in Medicare?

No. John Wier has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for John Wier was last updated on July 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.