Priscilla Sierk, D.O.
Psychiatry Physician · Austin, TX
Priscilla Sierk, D.O. is a psychiatry physician with a practice address in Austin, Texas, and NPI 1255352324, issued on Jul 22, 2006. Check the license (Texas L3479, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Priscilla Sierk
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- L3479 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3355 Bee Cave RD, Austin, TX 78746
- Phone
- (512) 870-8180
- Enumerated
- Jul 22, 2006
- Record last updated
- May 24, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (512) 852-6700
- Medicare enrollment
- Enrolled (PECOS I20040312000701); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 3,318 in Texas → Look up another NPI →
Verify Priscilla Sierk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L3479Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average psychiatry physician in 2024
656 Medicare Part D claims for 47 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Trazodone Hcl61 claims
- Gabapentin46 claims
- Clonazepam38 claims
- Mirtazapine33 claims
- Austedo Xr28 claims
- Escitalopram Oxalate27 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Priscilla Sierk among 3,318 psychiatry physician records in Texas
Priscilla Sierk, D.O. is one of 3,318 psychiatry physician records with a practice address in Texas. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 65% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1999 · median 2006 among the 1,481 with a school on file
- Record last updated2012 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
343 psychiatry physician records list a practice address in Austin
They are 343 of the 26,585 NPPES records with a practice address in Austin, and 3,318 psychiatry physician records in Texas.
All 3,318 in Texas → Every provider in Austin → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Bernard Aoueille, M.D.Austin, TX 787461285645010
- Frank Floca, MDAustin, TX 787461962443382
- David Flume, M.D.Austin, TX 787461962403469
- Keith Kesler, D.O.Austin, TX 787461841275039
- Marc Kundler, MDAustin, TX 787461265488928
- Robin May-Davis, M.D.Austin, TX 787461891728044
- Jenny Peloquen, D.O.Austin, TX 787461487666400
- Houston Putman, MDAustin, TX 787461720071087
Common questions
What is Priscilla Sierk, D.O.'s NPI number?
Priscilla Sierk, D.O.'s National Provider Identifier (NPI) is 1255352324, issued on Jul 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Priscilla Sierk, D.O. located?
The NPPES record lists a practice address at 3355 Bee Cave RD, Austin, TX, 78746. Phone: (512) 870-8180. Providers update this record themselves, so call before visiting.
How can I verify Priscilla Sierk, D.O.'s license?
NPPES lists Texas license number L3479, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Priscilla Sierk, D.O. prescribe under Medicare Part D?
In 2024, Priscilla Sierk, D.O. had 656 Medicare Part D claims for 47 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.