Doctor profile · Federal record
Dr. Kathryn Siems, PA
Physician Assistant · Austin, TX
- NPI 1356781579
- Accepts Medicare
- 19 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1807 W Slaughter Ln, Ste 490
Austin, TX 787486237
(512) 282-8967
fax (512) 406-7351 - Mailing address
-
6210 E Hwy 290
Austin, TX 787231142
Credentials & registration
- NPI registered
- July 2013 — 13 yrs on file
- Profile last updated
- September 24, 2021
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Texas #PA05678
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356781579. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
693
Distinct HCPCS
8
Medicare allowed
$33,100
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 311 | 62 | $6 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 113 | 100 | $75 | |
17000 |
Destruction of precancer skin growth, 1 growth | 85 | 79 | $50 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 59 | 50 | $104 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 51 | 51 | $94 | |
11102 |
Biopsy of related skin growth, first growth | 26 | 26 | $84 | |
17110 |
Destruction of skin growth, 1-14 growths | 25 | 25 | $97 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 23 | 23 | $140 |
In context: peer comparison
Among 104 peers in Austin Physician Assistant, average services per provider: 225. This provider delivers 3.1× the peer median.Open Payments
Industry payments received
All-time total
$19
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $19.37 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
334
Patients
173
Total drug cost
$8,483
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Betamethasone Diprop Augmented (Betamethasone/Propylene Glyc) | Brand | 111 | 75 | $2,047 |
| Ketoconazole | Generic | 70 | 36 | $802 |
| Triamcinolone Acetonide | Generic | 48 | 38 | $334 |
| Clobetasol Propionate | Generic | 23 | 13 | $1,776 |
| Tretinoin | Generic | 18 | 0 | $1,099 |
| Metronidazole | Generic | 15 | 0 | $649 |
| Fluocinonide | Generic | 14 | 11 | $503 |
| Finasteride | Generic | 12 | 0 | $107 |
| Minocycline Hcl | Generic | 12 | 0 | $1,100 |
| Mupirocin | Generic | 11 | 0 | $65 |
Frequently asked questions
What is Dr. Kathryn Siems's medical specialty?
Dr. Kathryn Siems practices Physician Assistant in Austin, TX.
Where does Dr. Kathryn Siems practice?
Dr. Kathryn Siems practices at 1807 W Slaughter Ln, Austin, TX 787486237. Office phone: 5122828967.
What is Dr. Kathryn Siems's NPI?
Dr. Kathryn Siems's National Provider Identifier (NPI) is 1356781579, issued by NPPES.
Does Dr. Kathryn Siems accept Medicare assignment?
Yes. Dr. Kathryn Siems accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Siems commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.