OrganizationActive
Warren Woo, M.D.
NPI 1689832008 · Family Medicine Physician · Placentia, CA
Warren Woo, M.D. is a Family Medicine Physician organization in Placentia, CA (NPI 1689832008).
Provider details
- NPI number
- 1689832008
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Warren Woo, Sole Proprietor(714) 961-1635
- License
- C40927 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
1275 N Rose Dr Ste 138
Placentia, CA 92870-3919
Phone: (714) 961-1635
Fax: (714) 961-1679
Street-level locationGet directions
Mailing address
1275 N Rose Dr Ste 138
Placentia, CA 92870-3919
Registry dates
- Enumerated
- 2008-06-02
- Last updated
- 2008-11-10
Frequently asked questions
- What is Warren Woo, M.D.'s NPI number?
- Warren Woo, M.D.'s National Provider Identifier (NPI) is 1689832008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Warren Woo, M.D.?
- Warren Woo, M.D. is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Woo, M.D. located?
- Warren Woo, M.D.'s practice location on file with NPPES is 1275 N Rose Dr Ste 138, Placentia, CA 92870-3919.
- What is Warren Woo, M.D.'s phone number?
- The practice phone number listed in the NPPES registry for Warren Woo, M.D. is (714) 961-1635.
- Who is the authorized official for Warren Woo, M.D.?
- The authorized official listed on Warren Woo, M.D.'s NPPES record is Warren Woo, Sole Proprietor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Warren Woo, M.D.'s NPI active?
- Yes — Warren Woo, M.D.'s NPI (1689832008) is active in the NPPES registry as of the last update on 2008-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.