IndividualActive
Wilson Lem, M.D
NPI 1811942378 · Emergency Medicine Physician · San Jose, CA
Wilson Lem, M.D is a Emergency Medicine Physician provider in San Jose, CA (NPI 1811942378).
Provider details
- NPI number
- 1811942378
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- G37299 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
225 North Jackson Avenue
San Jose, CA 95116
Phone: (408) 923-7121
Street-level locationGet directions
Mailing address
2100 Powell Street
Emeryville, CA 94608-1803
Registry dates
- Enumerated
- 2006-05-23
- Last updated
- 2008-07-21
Frequently asked questions
- What is Wilson Lem's NPI number?
- Wilson Lem's National Provider Identifier (NPI) is 1811942378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wilson Lem's specialty?
- Wilson Lem is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wilson Lem located?
- Wilson Lem's practice location on file with NPPES is 225 North Jackson Avenue, San Jose, CA 95116.
- What is Wilson Lem's phone number?
- The practice phone number listed in the NPPES registry for Wilson Lem is (408) 923-7121.
- Is Wilson Lem's NPI active?
- Yes — Wilson Lem's NPI (1811942378) is active in the NPPES registry as of the last update on 2008-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.