Evelyn Syau
NPI 1598555609 · Psychiatry Physician · Austin, TX
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Evelyn Syau is a Psychiatry Physician provider in Austin, TX (NPI 1598555609).
Provider details
- NPI number
- 1598555609
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sole proprietor
- No
- License
- BP10094679 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2025-05-12
- Last updated
- 2025-05-12
- Certified
- 2025-05-11
Frequently asked questions
- What is Evelyn Syau's NPI number?
- Evelyn Syau's National Provider Identifier (NPI) is 1598555609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Evelyn Syau's specialty?
- Evelyn Syau is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Evelyn Syau located?
- Evelyn Syau's practice location on file with NPPES is 1501 Red River St Fl 2, Austin, TX 78712-1845.
- What is Evelyn Syau's phone number?
- The practice phone number listed in the NPPES registry for Evelyn Syau is (512) 495-5555.
- Does Evelyn Syau accept Medicare?
- Evelyn Syau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Evelyn Syau's NPI active?
- Yes — Evelyn Syau's NPI (1598555609) is active in the NPPES registry as of the last update on 2025-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.