Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc.
NPI 1083820856 · Internal Medicine Physician · Orange, CA
Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc. is a Internal Medicine Physician organization in Orange, CA (NPI 1083820856).
Provider details
- NPI number
- 1083820856
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Chien-Ko Wu, Co-President(714) 639-6162
- License
- A40891 (CA)
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
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
Mailing address
Registry dates
- Enumerated
- 2007-05-16
- Last updated
- 2025-09-11
Frequently asked questions
- What is Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc.'s NPI number?
- Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc.'s National Provider Identifier (NPI) is 1083820856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc.?
- Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc. located?
- Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc.'s practice location on file with NPPES is 991 N Tustin St, Orange, CA 92867-5900.
- What is Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc. is (714) 639-6162.
- Who is the authorized official for Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc.?
- The authorized official listed on Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc.'s NPPES record is Chien-Ko Wu, Co-President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc.'s NPI active?
- Yes — Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc.'s NPI (1083820856) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.