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KATHRYN CHRISTEN SIEMS PA
NPI 1356781579
Physician Assistant in Austin, TX

Active since July 02, 2013PECOS EnrolledAccepts Medicare Assignment
1807 W SLAUGHTER LN, STE 490, AUSTIN, TX 78748(512) 282-8967(512) 406-7351 Get Directions Write a Review

NPPES record last updated: September 24, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Kathryn Christen Siems Pa NPPES

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

KATHRYN CHRISTEN SIEMS PA (NPI 1356781579) is an individual physician assistant in Austin, Texas, licensed in Texas (PA05678) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (2007).

NPPES Registry Identity

NPI1356781579
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKATHRYN CHRISTEN SIEMSCredential: PA
Location Address1807 W SLAUGHTER LN, STE 490Austin, TX 78748-6237
Mailing Address6210 E Hwy 290Austin, TX 78723-1142 · (512) 483-9596 · Fax (512) 406-6216
Phone(512) 282-8967
Fax(512) 406-7351
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 2007
Enumeration DateJuly 2, 2013
Last NPPES UpdateSeptember 24, 2021
NPPES CertifiedSeptember 24, 2021
✔ NPI 1356781579 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 · PA05678
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.
1807 W SLAUGHTER LN, Austin, TX 78748
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kathryn Christen Siems Pa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6901026608
PECOS Enrollment IDI20211130000935
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.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
344 services86 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
139 services129 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
123 services113 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
70 services57 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
48 services48 patients
Biopsy of related skin growth, first growth 11102
A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.
43 services40 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78748 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
$89.03 typical visit price
range $57.88 – $174.00
Typical copayment $22.25 (range $14.47 – $43.50)
Most-billed visit code 99203
Established Patient
$71.95 typical visit price
range $18.88 – $142.23
Typical copayment $17.98 (range $4.72 – $35.55)
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 12

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

DR. JEANETTE LAFRENIERE MD
Pediatrics
1807 W SLAUGHTER LN
AUSTIN, TX 78748
Travis County (512) 282-8967
DR. DANIEL ALBERT SHADDOCK D.C.
Chiropractor
1807 W SLAUGHTER LN, SUITE 450
AUSTIN, TX 78748
Travis County (512) 280-6103
MAI X. DUONG MD
Pediatrics
1807 W SLAUGHTER LN, #490
AUSTIN, TX 78748
Travis County (512) 282-8967
SONIA YOUSUF MD
Internal Medicine (Rheumatology)
1807 W SLAUGHTER LN, SUITE 490
AUSTIN, TX 78748
Travis County (512) 282-8937
CHRISTEN GUMBS PT, DPT
Physical Therapist
1807 W SLAUGHTER LN, STE 475
AUSTIN, TX 78748
Travis County (512) 520-4242
ABSOLUTE LIFE WELLNESS CENTER, INC
Chiropractor
1807 W SLAUGHTER LN, SUITE 450
AUSTIN, TX 78748
Travis County (512) 280-6103
JULIA R. DE WETTE MD
Pediatrics
1807 W SLAUGHTER LN, #490
AUSTIN, TX 78748
Travis County (512) 282-8967
MR. JORDAN MICHAEL MOORE
Radiologic Technologist (Radiography)
1807 W SLAUGHTER LN
AUSTIN, TX 78748
Travis County (512) 282-8967

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 Kathryn Siems's NPI number?

The NPI number for Kathryn Siems is 1356781579. It was assigned to this individual provider in the NPPES registry on July 2, 2013.

Where is Kathryn Siems located?

Kathryn Siems practices at 1807 W Slaughter Ln Ste 490, Austin, TX 78748. The listed phone number is (512) 282-8967.

What is Kathryn Siems's specialty?

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

Is Kathryn Siems enrolled in Medicare?

Yes. Kathryn Siems is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Kathryn Siems accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list Kathryn Siems 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 Kathryn Siems was last updated on September 24, 2021. 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.