Dr. Weiming David Chu, MD

  • Santa Ana, CA
  • Psychiatrist
NPI1114189529PAC ID3072783687
Medicare services, 2024
344
Medicare patients, 2024
196
Part D claims, 2024
246
Hospital affiliations
1
Industry payments
$8,264
Practice address
520 N Main St, Santa Ana, CA 92701
Practice phone
Call (714) 352-5800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

New Foundation Medical Inc.

Santa Ana, California

See all 8 affiliations

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Dr. Weiming David Chu is a psychiatrist in Santa Ana, California

Dr. Chu practices at New Foundation Medical Inc. in Santa Ana, California.

Dr. Chu's NPI, 1114189529, was assigned on June 26, 2008. Dr. Chu graduated from Ross University School of Medicine in 2008. Dr. Chu holds California license A116800.

NPI and contact details
Medicare PAC ID
3072783687
NPI enumeration date
June 26, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(714) 352-5800
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Weiming David Chu practices at New Foundation Medical Inc. in Santa Ana, California

Dr. Chu's primary practice is New Foundation Medical Inc., at 520 N Main St, Santa Ana, CA 92701 in Orange County. The practice phone is (714) 352-5800.

  • New Foundation Medical Inc.
    520 N Main St, Santa Ana, CA 92701 · Orange CountyPhone(714) 352-5800

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Weiming David Chu is affiliated with 3 sites of care and 5 medical groups

Dr. Chu's primary practice is New Foundation Medical Inc. in Santa Ana, California. Dr. Chu is also affiliated with Orange Coast Medical Center. The medical group on file is New Foundation Medical Group. Dmand AI also links Dr. Chu to 4 more medical groups and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Chu

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Weiming David Chu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chu practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
New Foundation Medical Inc.Available with a free account
+2 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Weiming David Chu is one of 6,803 psychiatrists in California

Psychiatry is Dr. Chu's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Chu is board certified in child & adolescent psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Chu's licenses on file in 2 states: California and Nevada.

Specialties and state licenses

  • Psychiatry, CaliforniaPrimaryLicense A116800 · 2011 to 2026 · taxonomy 2084P0800X
  • Nevada license2008 to 2027

Clinical focus

Dmand AI lists adjustment disease, anxiety, bipolar disorder, dementia, depression, insomnia, non-alzheimer's dementia (chronic) and psychological distress among the conditions Dr. Chu treats.

Psychiatrists near Dr. Chu

Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Weiming David Chu billed Medicare for 344 services in 2024

CMS data shows 344 Medicare services from Dr. Chu across 7 procedure codes in 2024, for 196 Medicare patients. Medicare paid $22,800 for them.

Medicare services, 2024344
Medicare patients196
Paid by Medicare$22,800
Procedure codes7

Dr. Chu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 252024: 2821028%
Tests and treatments
2023: 942024: 6234%

Where Dr. Chu's Medicare services took place, 2024

  • In an office15946%
  • In a facility18554%

Dr. Chu compared with the California median for psychiatrists, 2024

  • Dr. Chu
  • California median
Medicare services
344vs 1192.9 times
Medicare patients
196vs 414.8 times
Part D claims
74vs 14449% below

Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.

Dr. Chu's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Chu

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Weiming David Chu treated 196 Medicare patients in 2024, average age 68

CMS counts 196 Medicare patients who saw Dr. Chu in 2024. The largest group is under 65, with 72 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 74% are also on Medicaid. Their average risk score is 2.24, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Chu's median patient age at 40, with 53% women.

Medicare patients, 2024196
Average age68
Average risk score2.24
Also on Medicaid74%

Dr. Chu's Medicare patients by age, 2024

Dr. Chu's Medicare patients by sex, 2024

  • Women10252%
  • Men9448%

Chronic conditions among Dr. Chu's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Mood disorders75%
  4. Anxiety73%
  5. Depression69%
  6. Schizophrenia and other psychoses59%
  7. Arthritis51%
  8. Diabetes50%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 40

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Weiming David Chu wrote 246 Medicare Part D claims in 2024

In 2024, Dr. Chu wrote 246 Medicare Part D claims for 61 patients. 89% of them were for generic drugs. CMS names the drug for 74 of them, across 5 drugs with 11 or more claims each, at $41,433 in total drug cost. In 2023, CMS named 691 claims across 29 drugs.

Part D claims, 2024246
Drugs named by CMS5
Total drug cost$41,433
Part D patients61

Dr. Chu's Part D claims by kind of drug, 2024

  • Generic218 claims89%
  • Brand-name28 claims11%

Dr. Chu's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Chu's Part D claims, 2024

  • Antipsychotics, patients 65 and over18%44 of 246 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6912024: 7489%

Drugs named by CMS: 5 in 2024, 29 in 2023.

See all prescribing by Dr. Chu

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Weiming David Chu offers telehealth to Medicare patients

Dr. Chu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chu as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Weiming David Chu received $8,264 in industry payments from 2016 to 2025

CMS Open Payments shows 257 general payments to Dr. Chu from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Janssen Pharmaceuticals, Inc paid the most, $4,225.

General payments to Dr. Chu by program year, 2016 to 2025

General payments to Dr. Chu by kind, 2016 to 2025

$8.3Kin total
  • Food and beverage$7,89295%
  • Honoraria$3604%
  • Education$70%
  • Gifts$60%

Companies that paid Dr. Chu the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Weiming David Chu graduated from Ross University School of Medicine

Dr. Chu graduated from Ross University School of Medicine in 2008.

  1. Medical schoolRoss University School of Medicine
  2. Board certified in child & adolescent psychiatryAmerican Board of Psychiatry and Neurology
  3. Board certified in psychiatryAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Weiming David Chu accepts plans from 10 insurance carriers

Dr. Chu is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Chu accepts, by number of carriers

  1. Medicare9
  2. PPO7
  3. HMO4
  4. POS3
  5. EPO2
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Weiming David Chu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Weiming David Chu

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Weiming David Chu's NPI number?

Dr. Weiming David Chu's NPI number is 1114189529. It was assigned on June 26, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Weiming David Chu?

Dr. Weiming David Chu is a psychiatrist in Santa Ana, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Weiming David Chu practice?

Dr. Chu practices at 520 N Main St, Santa Ana, CA 92701. Dr. Chu's primary practice is New Foundation Medical Inc. in Santa Ana, California. Dmand AI also links Dr. Chu to 4 medical groups and 1 group practice or clinic.

What is Dr. Weiming David Chu's office phone number?

The practice phone on file for Dr. Chu is (714) 352-5800.

What is Dr. Weiming David Chu's medical license number?

Dr. Chu holds California license A116800, one of the licenses on file in 2 states.

Which states has Dr. Weiming David Chu been licensed in?

Dmand AI has state licenses on file for Dr. Chu in California (2011 to 2026) and Nevada (2008 to 2027).

Which hospitals is Dr. Weiming David Chu affiliated with?

Dr. Chu is affiliated with Orange Coast Medical Center.

What medical group is Dr. Weiming David Chu part of?

Dr. Chu is linked to New Foundation Medical Group. Dmand AI links Dr. Chu to 4 more medical groups.

Does Dr. Weiming David Chu accept Medicare?

Yes. CMS data shows Dr. Chu billed Medicare for 344 services in 2024, and Dr. Chu accepts Medicare assignment.

Does Dr. Weiming David Chu offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chu as offering telehealth services.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Weiming David Chu see?

CMS counts 196 Medicare patients who saw Dr. Chu in 2024, with an average age of 68.

Is Dr. Weiming David Chu board certified?

Yes. Dr. Chu is board certified in child & adolescent psychiatry by the American Board of Psychiatry and Neurology.

What services does Dr. Weiming David Chu bill to Medicare?

In 2024, Dr. Chu's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and psychiatric service (90833).

Where did Dr. Weiming David Chu go to medical school?

Dr. Chu graduated from Ross University School of Medicine in 2008.

What drugs does Dr. Weiming David Chu prescribe most?

In 2024 Medicare Part D data, Dr. Chu's most prescribed drugs by claims were Risperidone, Fluoxetine HCl and Aripiprazole.

Has Dr. Weiming David Chu received payments from drug or device companies?

CMS Open Payments shows $8,264 in general payments to Dr. Chu from 21 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Weiming David Chu been practicing?

Dr. Chu graduated from medical school in 2008, 18 years ago.

What insurance does Dr. Weiming David Chu accept?

Dr. Chu is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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