Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

SUMMER SEIBERT
NPI 1467358689
Physician Assistant in Austin, TX

Active since October 15, 2026
9900 S INTERSTATE 35, AUSTIN, TX 78748(512) 291-5577 Get Directions Write a Review

NPPES record added: October 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Summer Seibert NPPES

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

SUMMER SEIBERT (NPI 1467358689) is an individual physician assistant in Austin, Texas and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1467358689
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameSUMMER SEIBERT
Location Address9900 S INTERSTATE 35Austin, TX 78748-3885
Mailing Address7701 Rialto Blvd Apt 43Austin, TX 78735-8520 · (512) 659-5951
Sole ProprietorNo
Enumeration DateOctober 15, 2026
NPPES CertifiedOctober 15, 2026
✔ NPI 1467358689 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
9900 S INTERSTATE 35, Austin, TX 78748

Other Providers at the Same Location NPPES 4

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

Optometrist
9900 S INTERSTATE 35, BUILDING J-34
AUSTIN, TX 78748
Hearing Instrument Specialist
9900 S INTERSTATE 35, STE A 225
AUSTIN, TX 78748
Eyewear Supplier
9900 S INTERSTATE 35
AUSTIN, TX 78748
Pharmacy (Community/Retail Pharmacy)
9900 S INTERSTATE 35
AUSTIN, TX 78748

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 Summer Seibert's NPI number?

The NPI number for Summer Seibert is 1467358689. It was assigned to this individual provider in the NPPES registry on October 15, 2026.

Where is Summer Seibert located?

Summer Seibert practices at 9900 S Interstate 35, Austin, TX 78748. The listed phone number is (512) 291-5577.

What is Summer Seibert's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Summer Seibert was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.