Sarah Tsiu
NPI 1790313237 · Physician Assistant · Saint Louis, MO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Tsiu is a Physician Assistant provider in Saint Louis, MO (NPI 1790313237).
Provider details
- NPI number
- 1790313237
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 5578 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-30
- Last updated
- 2022-08-05
- Certified
- 2022-08-05
Frequently asked questions
- What is Sarah Tsiu's NPI number?
- Sarah Tsiu's National Provider Identifier (NPI) is 1790313237, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Tsiu's specialty?
- Sarah Tsiu is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sarah Tsiu located?
- Sarah Tsiu's practice location on file with NPPES is 1201 S Grand Blvd, Saint Louis, MO 63104-1016.
- What is Sarah Tsiu's phone number?
- The practice phone number listed in the NPPES registry for Sarah Tsiu is (314) 257-8222.
- Does Sarah Tsiu accept Medicare?
- Sarah Tsiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Tsiu's NPI active?
- Yes — Sarah Tsiu's NPI (1790313237) is active in the NPPES registry as of the last update on 2022-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.