Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1356781579 Individual Practitioner Female Practitioner

Kathryn Christen Siems , PA

Physician Assistant • Austin, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Kathryn Siems, PA is a certified Physician Assistant practicing in Austin, TX. With approximately 19 years of clinical experience since graduating from Baylor College Of Medicine in 2007, Kathryn Siems delivers high-quality medical care to the local community at 1807 W SLAUGHTER LN.

Kathryn Siems is affiliated with Austin Regional Clinic Pa and accepts Medicare assignment.

Frequently performed procedures and clinical services include destruction of precancer skin growth, 2-14 growths, established patient outpatient office visit, destruction of skin growth. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1807 W Slaughter Ln
Ste 490

Austin, TX 787486237

Telephone 5122828967
Fax 5124067351
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Baylor College Of Medicine

Graduation Year

2007

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Austin, TX

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
19 Yrs +9.1 yrs vs City Avg
City Avg: 9.9 Yrs
State Avg: 13.9 Yrs
Regional Practice Density
611 Specialists

Practicing in Austin, TX (11140 Statewide)

Telehealth Adoption Rate
15.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
56.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Siems (19 Years) 19 Yrs
Austin Specialty Average (9.9 Years) 9.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths
344 86 $21.00 $5.64
99213 Established patient office or other outpatient visit, typically 15 minutes
139 129 $168.00 $77.14
17000 Destruction of skin growth
123 113 $135.00 $52.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
70 57 $238.00 $106.71
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
48 48 $198.96 $95.04
11102 Tangential biopsy of single skin lesion
43 40 $231.00 $82.71
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
31 31 $295.00 $135.15
17110 Destruction of up to 14 skin growths
18 17 $226.00 $98.82
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
17 15 $31.00 $13.77

Medical Specialties & State Licenses

CMS Verified: 2021-09-24
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License TX PA05678

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.

Hospital & Practice Group Affiliations

Austin Regional Clinic Pa

1807 W Slaughter Ln, Austin, TX 787486208

Phone: 5122828967

Austin Regional Clinic Pa

3828 S 1st St, Austin, TX 787047048

Phone: 5124431311

Austin Regional Clinic Pa

6835 Austin Ctr Blvd, Austin, TX 787313166

Phone: 5123466611

Austin Regional Clinic Pa

Austin Regional Clinic Pa, Austin, TX 787047048

Phone: 5124431311

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
NPI 1033615794

Doctor of Medicine (M.D.)

Dr. Karen Romero , DO

Family Medicine

NPI 1063770972

Doctor of Osteopathic Medicine (D.O.)

NPI 1083838494

Doctor of Medicine (M.D.)

Dr. Rawah Tannous , MD

Internal Medicine

NPI 1114932282

Doctor of Medicine (M.D.)

Dr. Nicholas Bastian , DO

Internal Medicine

NPI 1134652936

Doctor of Osteopathic Medicine (D.O.)

NPI 1154053064

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location September 24, 2021

Registered at 1807 W SLAUGHTER LN, STE 490, AUSTIN, TX 787486237 (Tel: 5122828967)

📍
Updated Business Mailing Address September 24, 2021

Registered at 6210 E HWY 290, AUSTIN, TX 787231142 (Tel: 5124839596)

NPI Profile Active December 10, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location December 10, 2013

Registered at 1911 MARTIN LUTHER KING BLVD, WACO, TX 767041438 (Tel: 2543135000)

📍
Updated Business Mailing Address December 10, 2013

Registered at 1600 PROVIDENCE DR, WACO, TX 767072261 (Tel: 2543134200)

👤
Provider Name / Credentials Updated December 10, 2013

Recorded as KATHRYN SIEMS, PA

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 10, 2013

Physician Assistant (License #PA05678 in TX)

🟢
Initial NPI Registration & Enumeration July 02, 2013

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1356781579
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 02, 2013
Last Update: September 24, 2021
Sole Proprietor: No

Mailing Address

6210 E Hwy 290

Austin, TX 787231142

Phone: 5124839596

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.