J Am Acad Child Adolesc Psychiatry
Antipsychotic AgentsContraindicationsDepressive Disorder, Major
Dr. Priscilla E. Sierk, DO
NPI1255352324PAC ID8921997420
- Medicare services, 2024
- 313
- Medicare patients, 2024
- 28
- Part D claims, 2024
- 656
- Publications
- 1
- Industry payments
- $186
- Practice address
- 720 W 34th St, Austin, TX 78705
- Practice phone
- Call (512) 467-0978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Allergy Partners of Central Texas
Austin, Texas
Find Dr. Sierk's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Priscilla E. Sierk is a psychiatrist in Austin, Texas
Dr. Sierk practices at Allergy Partners of Central Texas in Austin, Texas.
Dr. Sierk's NPI, 1255352324, was assigned on July 22, 2006. Dr. Sierk graduated from WesternU College of Osteopathic Medicine of the Pacific in 1999. Dr. Sierk holds Texas license L3479.
NPI and contact details
- NPI
- 1255352324NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921997420
- NPI enumeration date
- July 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (512) 467-0978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Priscilla E. Sierk practices at Allergy Partners of Central Texas in Austin, Texas
Dr. Sierk's primary practice is Allergy Partners of Central Texas, at 720 W 34th St, Austin, TX 78705 in Travis County. The practice phone is (512) 467-0978.
- Allergy Partners of Central Texas720 W 34th St, Austin, TX 78705 · Travis CountyPhone(512) 467-0978
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Priscilla E. Sierk is affiliated with 2 sites of care
Dr. Sierk's primary practice is Allergy Partners of Central Texas in Austin, Texas. Dmand AI also links Dr. Sierk to 1 physician office, named with a free account.
Allergy Partners of Central TexasPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Priscilla E. Sierk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sierk practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Allergy Partners of Central Texas | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Priscilla E. Sierk is one of 2,406 psychiatrists in Texas
Psychiatry is Dr. Sierk's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Sierk is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. Sierk is licensed in Texas.
Specialties and state licenses
- Psychiatry, TexasPrimary
Clinical focus
Dmand AI lists anxiety, bipolar disorder, depression, intellectual and developmental disabilities and schizophrenia among the conditions Dr. Sierk treats.
Psychiatrists near Dr. Sierk
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Priscilla E. Sierk billed Medicare for 313 services in 2024
CMS data shows 313 Medicare services from Dr. Sierk across 2 procedure codes in 2024, for 28 Medicare patients. Medicare paid $20,439 for them. Every service was in an office.
Medicare services, 2024313
Medicare patients28
Paid by Medicare$20,439
Procedure codes2
Dr. Sierk's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1982024: 16019%
- Tests and treatments
- 2023: 1792024: 15315%
Dr. Sierk compared with the Texas median for psychiatrists, 2024
- Dr. Sierk
- Texas median
- Medicare services
- 313vs 1102.8 times
- Medicare patients
- 28vs 4335% below
- Part D claims
- 486vs 1633.0 times
Medians across 2,341 psychiatrists in Texas with Dmand AI profiles that report each measure.
Dr. Sierk's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Sierk?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sierk and other psychiatrists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Priscilla E. Sierk treated 28 Medicare patients in 2024, average age 70
CMS counts 28 Medicare patients who saw Dr. Sierk in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have anxiety, and 75% have depression. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sierk's median patient age at 49, with 71% women.
Medicare patients, 202428
Average age70
Average risk score1.06
Dr. Sierk's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Sierk's Medicare patients, 2024
- Anxiety75%
- Depression75%
- Mood disorders75%
- High cholesterol68%
- High blood pressure61%
- Arthritis43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sierk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women71%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Priscilla E. Sierk wrote 656 Medicare Part D claims in 2024
In 2024, Dr. Sierk wrote 656 Medicare Part D claims for 47 patients. 85% of them were for generic drugs. CMS names the drug for 486 of them, across 22 drugs with 11 or more claims each, at $321,127 in total drug cost. In 2023, CMS named 440 claims across 19 drugs.
Part D claims, 2024656
Drugs named by CMS22
Total drug cost$321,127
Part D patients47
Dr. Sierk's Part D claims by kind of drug, 2024
- Generic556 claims85%
- Brand-name100 claims15%
Dr. Sierk's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Sierk's Part D claims, 2024
- Antipsychotics, patients 65 and over7%45 of 656 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4402024: 48610%
Drugs named by CMS: 22 in 2024, 19 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Priscilla E. Sierk offers telehealth to Medicare patients
Dr. Sierk accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sierk as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Priscilla E. Sierk has 1 publication on record
Dmand AI links 1 paper to Dr. Sierk.
Papers1
Recent publications by Dr. Sierk
See who Dr. Sierk researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sierk works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Priscilla E. Sierk received $186 in industry payments from 2016 to 2025
CMS Open Payments shows 5 general payments to Dr. Sierk from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 75% of the total. Allergan Inc. paid the most, $108.
General payments to Dr. Sierk by program year, 2016 to 2025
General payments to Dr. Sierk by kind, 2016 to 2025
$186in total
- Food and beverage$13975%
- Education$4725%
Companies that paid Dr. Sierk the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Priscilla E. Sierk graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Sierk graduated from WesternU College of Osteopathic Medicine of the Pacific in 1999.
- Medical school
- Board certified in psychiatry
- Board certified in 2002 - 2025
Source: Dmand AI Professional Profile Data
Dr. Priscilla E. Sierk accepts plans from 9 insurance carriers
Dr. Sierk is in network with 9 carriers, including United Healthcare, HCSC and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Regence Health Plans
- Arkansas Blue Cross and Blue Shield
- CMS Medicare
- Delta Dental
- +1 more carriersWith a free account
Plan types Dr. Sierk accepts, by number of carriers
- PPO7
- Medicare6
- HMO3
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Priscilla E. Sierk's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Priscilla E. Sierk
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Priscilla E. Sierk's NPI number?
Dr. Priscilla E. Sierk's NPI number is 1255352324. It was assigned on July 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Priscilla E. Sierk?
Dr. Priscilla E. Sierk is a psychiatrist in Austin, Texas. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Priscilla E. Sierk practice?
Dr. Sierk practices at 720 W 34th St, Austin, TX 78705. Dr. Sierk's primary practice is Allergy Partners of Central Texas in Austin, Texas. Dmand AI also links Dr. Sierk to 1 physician office.
What is Dr. Priscilla E. Sierk's office phone number?
The practice phone on file for Dr. Sierk is (512) 467-0978.
What is Dr. Priscilla E. Sierk's medical license number?
Dr. Sierk holds Texas license L3479.
Does Dr. Priscilla E. Sierk accept Medicare?
Yes. CMS data shows Dr. Sierk billed Medicare for 313 services in 2024, and Dr. Sierk accepts Medicare assignment.
Does Dr. Priscilla E. Sierk offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sierk as offering telehealth services.
How many Medicare patients does Dr. Priscilla E. Sierk see?
CMS counts 28 Medicare patients who saw Dr. Sierk in 2024, with an average age of 70.
Is Dr. Priscilla E. Sierk board certified?
Yes. Dr. Sierk is board certified in psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Priscilla E. Sierk bill to Medicare?
In 2024, Dr. Sierk's most billed Medicare services were office visit, established patient (99214) and psychiatric service (90833).
Show 6 more questionsShow fewer questions
Where did Dr. Priscilla E. Sierk go to medical school?
Dr. Sierk graduated from WesternU College of Osteopathic Medicine of the Pacific in 1999.
What drugs does Dr. Priscilla E. Sierk prescribe most?
In 2024 Medicare Part D data, Dr. Sierk's most prescribed drugs by claims were Trazodone HCl, Gabapentin and Clonazepam.
Has Dr. Priscilla E. Sierk received payments from drug or device companies?
CMS Open Payments shows $186 in general payments to Dr. Sierk from 4 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Priscilla E. Sierk been practicing?
Dr. Sierk graduated from medical school in 1999, 27 years ago.
Does Dr. Priscilla E. Sierk do research?
Dmand AI links 1 publication to Dr. Sierk.
What insurance does Dr. Priscilla E. Sierk accept?
Dr. Sierk is in network with 9 carriers, including United Healthcare, HCSC and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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