Jeffrey Yang, MD
NPI 1619331949 · Anesthesiology Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Yang, MD is a Anesthesiology Physician provider in Fremont, CA (NPI 1619331949).
Provider details
- NPI number
- 1619331949
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD61031212 (WA)
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
10 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
- 2016-04-12
- Last updated
- 2023-06-13
- Certified
- 2023-06-13
Frequently asked questions
- What is Jeffrey Yang's NPI number?
- Jeffrey Yang's National Provider Identifier (NPI) is 1619331949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Yang's specialty?
- Jeffrey Yang is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Yang located?
- Jeffrey Yang's practice location on file with NPPES is 39400 Paseo Padre Pkwy, Fremont, CA 94538-2310.
- What is Jeffrey Yang's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Yang is (510) 248-3000.
- Does Jeffrey Yang accept Medicare?
- Jeffrey Yang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Yang's NPI active?
- Yes — Jeffrey Yang's NPI (1619331949) is active in the NPPES registry as of the last update on 2023-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.