Jason Leong, MD
NPI 1912327875 · Anesthesiology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Leong, MD is a Anesthesiology Physician provider in Stanford, CA (NPI 1912327875).
Provider details
- NPI number
- 1912327875
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A137598 (CA)
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
12 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
- 2014-04-18
- Last updated
- 2021-12-20
Frequently asked questions
- What is Jason Leong's NPI number?
- Jason Leong's National Provider Identifier (NPI) is 1912327875, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Leong's specialty?
- Jason Leong is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Leong located?
- Jason Leong's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Jason Leong's phone number?
- The practice phone number listed in the NPPES registry for Jason Leong is (650) 723-5948.
- Does Jason Leong accept Medicare?
- Jason Leong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Leong's NPI active?
- Yes — Jason Leong's NPI (1912327875) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.