Sarah Tsiu
Physician Assistant · Saint Louis, MO
Sarah Tsiu is a physician assistant with a practice address in Saint Louis, Missouri, and NPI 1790313237, issued on Mar 30, 2020. Check the license with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Tsiu
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5578 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1201 S Grand Blvd, Saint Louis, MO 63104
- Phone
- (314) 257-8222
- Enumerated
- Mar 30, 2020
- Record last updated
- Aug 5, 2022
- Fax
- (314) 257-8221
- Medicare enrollment
- Enrolled (PECOS I20220811003223); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,790 in Missouri → Look up another NPI →
Also registered at 1201 S Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sarah Tsiu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physician assistant in 2024
41 Medicare Part D claims for 18 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Hospital OF Central Connecticut AT New Britain General And BradleyNew Britain, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Tsiu among 1,790 physician assistant records in Missouri
Sarah Tsiu is one of 1,790 physician assistant records with a practice address in Missouri. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 57% of them.
- NPI issued2020 · 57% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2021 · median 2019 among the 1,250 with a school on file
- Record last updated2022 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
498 physician assistant records list a practice address in Saint Louis
They are 498 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,790 physician assistant records in Missouri.
All 1,790 in Missouri → Every provider in Saint Louis → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Susan Ameiss, PA-CSaint Louis, MO 631041245565415
- Jordan Biel, PA-CSaint Louis, MO 631041174037360
- Ashtynn Braden, PA-CSaint Louis, MO 631041033691191
- Kimberly Brown, PA-CSaint Louis, MO 631041205943859
- Genevieve Delrosario, PA-CSaint Louis, MO 631041205945144
- Kaycee Erzfeld, PA-CSaint Louis, MO 631041881103851
- Taylor Eversole, PA-CSaint Louis, MO 631041336510783
- Alyssa HendrixSaint Louis, MO 631041487283891
Common questions
What is Sarah Tsiu's NPI number?
Sarah Tsiu's National Provider Identifier (NPI) is 1790313237, issued on Mar 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Tsiu located?
The NPPES record lists a practice address at 1201 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 257-8222. Providers update this record themselves, so call before visiting.
How can I verify Sarah Tsiu's license?
Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Tsiu prescribe under Medicare Part D?
In 2024, Sarah Tsiu had 41 Medicare Part D claims for 18 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Sarah Tsiu's MIPS final score?
The 2023 MIPS final score is 91.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.