Cynthia Xiao, IONM
NPI 1235938689 · Electroneurodiagnostic Specialist/Technologist · San Antonio, TX
Cynthia Xiao, IONM is a Electroneurodiagnostic Specialist/Technologist provider in San Antonio, TX (NPI 1235938689).
Provider details
- NPI number
- 1235938689
- Entity type
- Individual
- Primary specialty
- Electroneurodiagnostic Specialist/TechnologistTechnologists, Technicians & Other Technical Service Providers
- Credential
- IONM
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Technologists, Technicians & Other Technical Service Providers
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
83% 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
- 2025-03-10
- Last updated
- 2025-03-10
- Certified
- 2025-03-10
Frequently asked questions
- What is Cynthia Xiao's NPI number?
- Cynthia Xiao's National Provider Identifier (NPI) is 1235938689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Xiao's specialty?
- Cynthia Xiao is listed in the NPPES registry with a primary specialty of Electroneurodiagnostic Specialist/Technologist (Technologists, Technicians & Other Technical Service Providers).
- Where is Cynthia Xiao located?
- Cynthia Xiao's practice location on file with NPPES is 2915 W Bitters Rd Ste 201, San Antonio, TX 78248-2007.
- What is Cynthia Xiao's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Xiao is (210) 598-2800.
- Is Cynthia Xiao's NPI active?
- Yes — Cynthia Xiao's NPI (1235938689) is active in the NPPES registry as of the last update on 2025-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.