David Yznaga
NPI 1700690781 · Certified Registered Nurse Anesthetist · San Antonio, TX
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Yznaga is a Certified Registered Nurse Anesthetist provider in San Antonio, TX (NPI 1700690781).
Provider details
- NPI number
- 1700690781
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 1189869 (TX)
Specialties & taxonomies
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
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 8300 Floyd Curl DrSan Antonio, TX 78229-3931Phone: (210) 644-9300
- 903 W Martin St # Ms 49-2San Antonio, TX 78207-0903Phone: (210) 358-3344Fax: (210) 702-6953
Registry dates
- Enumerated
- 2025-02-01
- Last updated
- 2026-05-20
- Certified
- 2026-05-20
Frequently asked questions
- What is David Yznaga's NPI number?
- David Yznaga's National Provider Identifier (NPI) is 1700690781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Yznaga's specialty?
- David Yznaga is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is David Yznaga located?
- David Yznaga's practice location on file with NPPES is 4502 Medical Dr, San Antonio, TX 78229-4402.
- What is David Yznaga's phone number?
- The practice phone number listed in the NPPES registry for David Yznaga is (210) 358-4000.
- Does David Yznaga accept Medicare?
- David Yznaga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Yznaga's NPI active?
- Yes — David Yznaga's NPI (1700690781) is active in the NPPES registry as of the last update on 2026-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.