LIANJIE DU M.D.
NPI 1255331385
Psychiatry & Neurology - Psychiatry in Orange, CA

Active since July 29, 2005PECOS Enrolled
1100 W STEWART DR, ORANGE, CA 92868(714) 564-9659 Get Directions Write a Review

NPPES record last updated: November 29, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lianjie Du M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LIANJIE DU M.D. (NPI 1255331385) is an individual psychiatry provider in Orange, California, licensed in California (A84426) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1983).

NPPES Registry Identity

NPI1255331385
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameLIANJIE DUCredential: M.D.
Location Address1100 W STEWART DROrange, CA 92868-3849
Mailing Address2913 El Camino Real, #603Tustin, CA 92782-8909 · (714) 277-4200 · Fax (714) 384-3889
Sole ProprietorNo
Medical School CMSOtherGraduated 1983
Enumeration DateJuly 29, 2005
Last NPPES UpdateNovember 29, 2011
✔ NPI 1255331385 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A84426
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Addiction PsychiatryTaxonomy 2084P0802X · License A84426 (CA)
1100 W STEWART DR, Orange, CA 92868

Other Names 1

Other Name (5)Jack Lianjie Du M.d.

Other Identifiers 3

Medicaid00A844260CA
Medicare ID-Type UnspecifiedA84426
Medicare UPINI11083

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lianjie Du M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6002888203
PECOS Enrollment IDI20040810000541
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Lianjie Du reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
2100 N BROADWAY, SUITE 100, 101, 203
Santa Ana, CA 92706
  • Reassigned Medicare billing, California enrollment
  • 247 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Psychiatry)
1100 W STEWART DR, ER DEPARTMENT
ORANGE, CA 92868
Anesthesiology
1100 W STEWART DR
ORANGE, CA 92868
Anesthesiology
1100 W STEWART DR
ORANGE, CA 92868
Radiology (Diagnostic Radiology)
1100 W STEWART DR
ORANGE, CA 92868
Emergency Medicine
1100 W STEWART DR
ORANGE, CA 92868
Anesthesiology
1100 W STEWART DR
ORANGE, CA 92868
Pharmacist
1100 W STEWART DR
ORANGE, CA 92868
Anesthesiology
1100 W STEWART DR
ORANGE, CA 92868

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lianjie Du's NPI number?

The NPI number for Lianjie Du is 1255331385. It was assigned to this individual provider in the NPPES registry on July 29, 2005. The provider is also known as Jack Lianjie Du M.D..

Where is Lianjie Du located?

Lianjie Du practices at 1100 W Stewart Dr, Orange, CA 92868. The listed phone number is (714) 564-9659.

What is Lianjie Du's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Lianjie Du enrolled in Medicare?

Yes. Lianjie Du is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lianjie Du's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lianjie Du reassigns Medicare benefits to Telecare Corporation (Santa Ana, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lianjie Du's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lianjie Du was last updated on November 29, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.