DR. WEIMING DAVID CHU M.D.
NPI 1114189529
Psychiatry & Neurology - Psychiatry in Santa Ana, CA

Q: What is Weiming Chu's NPI number?

The NPI number for Weiming Chu is 1114189529. It was assigned to this individual provider in the NPPES registry on June 26, 2008. The provider is also known as Dr. Weiming David Chu MD.

Q: What is Weiming Chu's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Weiming Chu was last updated on November 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since June 26, 2008PECOS EnrolledAccepts Medicare Assignment

520 N MAIN ST STE 220, SANTA ANA, CA 92701(714) 352-5800(714) 352-5801 Get Directions Write a Review

NPPES record last updated: November 2, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 2, 2023, Aug 19, 2019 (2 updates tracked since 2019).

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About Dr. Weiming David Chu M.d. NPPES

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

DR. WEIMING DAVID CHU M.D. (NPI 1114189529) is an individual psychiatry provider in Santa Ana, California, licensed in California (A116800) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1114189529

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. WEIMING DAVID CHUCredential: M.D.

Location Address520 N MAIN ST STE 220Santa Ana, CA 92701-4623

Mailing Address520 N Main St Ste 220Santa Ana, CA 92701-4623 · (714) 352-5800 · Fax (714) 352-5801

Phone(714) 352-5800

Fax(714) 352-5801

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateJune 26, 2008

Last NPPES UpdateNovember 2, 20232 updates tracked since enumeration

NPPES CertifiedNovember 2, 2023

✔ NPI 1114189529 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 · A116800

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 · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License A116800 (CA)

520 N MAIN ST STE 220, Santa Ana, CA 92701

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Other Names 1

Other Name (5)Dr. Weiming David Chu Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Weiming David Chu M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072783687

PECOS Enrollment IDI20240823001886

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 Reassignments

Medicare enrollment records show Weiming Chu reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Access Community Health Center

Same address

Federally Qualified Health Center (FQHC)

520 N MAIN ST STE 120
Santa Ana, CA 92701

Reassigned Medicare billing, California enrollment
35 clinicians in this Medicare group

NPI 1184234726 (714) 352-5800

New Foundation Medical Inc.

Same address

Multi-Specialty

520 N MAIN ST STE 120
Santa Ana, CA 92701

Reassigned Medicare billing, California enrollment
37 clinicians in this Medicare group

NPI 1689023582 (714) 352-5800

Central Star Behavioral Health, Inc.

21 mi

Community/Behavioral Health

7745 LEEDS ST
Downey, CA 90242

Reassigned Medicare billing, California enrollment
6 clinicians in this Medicare group

NPI 1134875743 (310) 221-6336

Valley Star Behavioral Health, Inc.

21 mi

Community/Behavioral Health

7735 LEEDS ST
Downey, CA 90242

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1396491973 (310) 221-6336

Unlv Medicine

225 mi

Internal Medicine

3016 W CHARLESTON BLVD STE 100
Las Vegas, NV 89102

Reassigned Medicare billing, Nevada enrollment
286 clinicians in this Medicare group

NPI 1407397235 (702) 895-0497

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

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

126 services20 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

66 services30 patients

Psychotherapy with evaluation and management visit, 30 minutes 90833

Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.

45 services14 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

31 services21 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

30 services24 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

29 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92701 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 9

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

JUNG YUN KIM NP

Nurse Practitioner (Psychiatric/Mental Health)