Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SIERRA BIXENMANN
NPI 1417630393
Physician Assistant in Round Rock, TX

Active since August 08, 2023PECOS Enrolled
3207 GREENLAWN BLVD STE 200, ROUND ROCK, TX 78664(737) 399-2200 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 10, 2026, Aug 8, 2023 (2 updates tracked since 2023).

About Sierra Bixenmann NPPES

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

SIERRA BIXENMANN (NPI 1417630393) is an individual physician assistant in Round Rock, Texas, licensed in Texas (PA17012) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417630393
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameSIERRA BIXENMANN
Location Address3207 GREENLAWN BLVD STE 200Round Rock, TX 78664-2989
Mailing Address6210 E Hwy 290Austin, TX 78723-1098
Sole ProprietorNo
Enumeration DateAugust 8, 2023
Last NPPES UpdateAugust 10, 20262 updates tracked since enumeration
NPPES CertifiedAugust 10, 2026
NPI 1417630393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in TX · PA17012
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.
3207 GREENLAWN BLVD STE 200, Round Rock, TX 78664

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Sierra Bixenmann 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78664 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Audiologist
3207 GREENLAWN BLVD STE 200
ROUND ROCK, TX 78664
Surgery
3207 GREENLAWN BLVD STE 200
ROUND ROCK, TX 78664
Physician Assistant
3207 GREENLAWN BLVD STE 200
ROUND ROCK, TX 78664
Otolaryngology
3207 GREENLAWN BLVD STE 200
ROUND ROCK, TX 78664

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 Sierra Bixenmann's NPI number?

The NPI number for Sierra Bixenmann is 1417630393. It was assigned to this individual provider in the NPPES registry on August 8, 2023.

Where is Sierra Bixenmann located?

Sierra Bixenmann practices at 3207 Greenlawn Blvd Ste 200, Round Rock, TX 78664. The listed phone number is (737) 399-2200.

What is Sierra Bixenmann's specialty?

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

Is Sierra Bixenmann enrolled in Medicare?

Yes. Sierra Bixenmann is registered in the Medicare PECOS enrollment system.

What insurance does Sierra Bixenmann accept?

Health plans from Moda Health Plan, Inc. and Sendero Health Plans, Local Nonprofit list Sierra Bixenmann 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 Sierra Bixenmann was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.