IndividualActive
Louis Wu, M.D.
NPI 1669587150 · Internal Medicine Physician · Berkeley, CA
Louis Wu, M.D. is a Internal Medicine Physician provider in Berkeley, CA (NPI 1669587150).
Provider details
- NPI number
- 1669587150
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G41756 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
2850 Telegraph Ave
Suite 130
Berkeley, CA 94705-1192
Phone: (510) 883-9883
Fax: (510) 843-0804
Street-level locationGet directions
Mailing address
10470 Old Placerville Rd
Sacramento, CA 95827-2528
Registry dates
- Enumerated
- 2006-08-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Louis Wu's NPI number?
- Louis Wu's National Provider Identifier (NPI) is 1669587150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Wu's specialty?
- Louis Wu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Wu located?
- Louis Wu's practice location on file with NPPES is 2850 Telegraph Ave, Berkeley, CA 94705-1192.
- What is Louis Wu's phone number?
- The practice phone number listed in the NPPES registry for Louis Wu is (510) 883-9883.
- Is Louis Wu's NPI active?
- Yes — Louis Wu's NPI (1669587150) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.