Jack Lianjie Du, M.D., a Medical Corporation
NPI 1720080294 · Psychiatry Physician · Orange, CA
Jack Lianjie Du, M.D., a Medical Corporation is a Psychiatry Physician organization in Orange, CA (NPI 1720080294).
Provider details
- NPI number
- 1720080294
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jack Du, Owner(714) 771-8134
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Addiction Psychiatry Physician2084P0802X
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
- 2005-08-12
- Last updated
- 2011-11-29
Frequently asked questions
- What is Jack Lianjie Du, M.D., a Medical Corporation's NPI number?
- Jack Lianjie Du, M.D., a Medical Corporation's National Provider Identifier (NPI) is 1720080294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jack Lianjie Du, M.D., a Medical Corporation?
- Jack Lianjie Du, M.D., a Medical Corporation is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Lianjie Du, M.D., a Medical Corporation located?
- Jack Lianjie Du, M.D., a Medical Corporation's practice location on file with NPPES is 1100 W Stewart Dr, Orange, CA 92868-3849.
- What is Jack Lianjie Du, M.D., a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Jack Lianjie Du, M.D., a Medical Corporation is (714) 771-8134.
- Who is the authorized official for Jack Lianjie Du, M.D., a Medical Corporation?
- The authorized official listed on Jack Lianjie Du, M.D., a Medical Corporation's NPPES record is Jack Du, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jack Lianjie Du, M.D., a Medical Corporation's NPI active?
- Yes — Jack Lianjie Du, M.D., a Medical Corporation's NPI (1720080294) is active in the NPPES registry as of the last update on 2011-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.