William Jensen, MD
NPI 1306809025 · Internal Medicine Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Jensen, MD is a Internal Medicine Physician provider in San Jose, CA (NPI 1306809025).
Provider details
- NPI number
- 1306809025
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G45285 (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
20 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
- 2006-04-11
- Last updated
- 2007-08-31
Frequently asked questions
- What is William Jensen's NPI number?
- William Jensen's National Provider Identifier (NPI) is 1306809025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Jensen's specialty?
- William Jensen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Jensen located?
- William Jensen's practice location on file with NPPES is 751 S Bascom Ave, San Jose, CA 95128-2604.
- What is William Jensen's phone number?
- The practice phone number listed in the NPPES registry for William Jensen is (408) 885-6307.
- Does William Jensen accept Medicare?
- William Jensen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Jensen's NPI active?
- Yes — William Jensen's NPI (1306809025) is active in the NPPES registry as of the last update on 2007-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.