Alexander Sasaki
NPI 1023704004 · Hospitalist Physician · San Antonio, TX
Alexander Sasaki is a Hospitalist Physician provider in San Antonio, TX (NPI 1023704004).
Provider details
- NPI number
- 1023704004
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- W6376 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
- 2023-04-13
- Last updated
- 2026-05-20
- Certified
- 2026-05-20
Frequently asked questions
- What is Alexander Sasaki's NPI number?
- Alexander Sasaki's National Provider Identifier (NPI) is 1023704004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Sasaki's specialty?
- Alexander Sasaki is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Sasaki located?
- Alexander Sasaki's practice location on file with NPPES is 4502 Medical Dr, San Antonio, TX 78229-4402.
- What is Alexander Sasaki's phone number?
- The practice phone number listed in the NPPES registry for Alexander Sasaki is (210) 358-4000.
- Is Alexander Sasaki's NPI active?
- Yes — Alexander Sasaki's NPI (1023704004) 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.