Chen Ying Wu, MD
Psychiatry Physician · Diamond Bar, CA
Chen Ying Wu, MD is a psychiatry physician with a practice address in Diamond Bar, California, and NPI 1144576299, issued on Jul 26, 2012. Check the license (California A133011, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chen Ying Wu
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A133011 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21015 Pathfinder RD Ste 101, Diamond Bar, CA 91765
- Phone
- (999) 999-9999
- Enumerated
- Jul 26, 2012
- Record last updated
- Oct 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20190126000048); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Chen Ying Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A133011Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average psychiatry physician in 2024
79 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Paroxetine Hcl11 claims
- Quetiapine Fumarate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $99.42
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Inland Psychiatric Medical Group IncRedlands, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chen Ying Wu among 8,673 psychiatry physician records in California
Chen Ying Wu, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 66% of them.
- NPI issued2012 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2023 · median 2005 among the 3,295 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 psychiatry physician records list a practice address in Diamond Bar
They are 10 of the 598 NPPES records with a practice address in Diamond Bar, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Diamond Bar → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Paul Brown, M.D.Diamond Bar, CA 917651437361789
- Sateesh Gunda, M.D.Diamond Bar, CA 917651134407844
- Adel Hanna, MDDiamond Bar, CA 917651194868224
- Zachary Herzfeldt, M.D.Diamond Bar, CA 917651205215936
- Karen Kiefer, D.O.Diamond Bar, CA 917651578586574
- Siddhartha Kumar, MDDiamond Bar, CA 917651265464374
- Margaret Lin, MDDiamond Bar, CA 917651275600132
- Vimal Satodiya, M.D.Diamond Bar, CA 917651174879134
Common questions
What is Chen Ying Wu, MD's NPI number?
Chen Ying Wu, MD's National Provider Identifier (NPI) is 1144576299, issued on Jul 26, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Chen Ying Wu, MD located?
The NPPES record lists a practice address at 21015 Pathfinder RD Ste 101, Diamond Bar, CA, 91765. Phone: (999) 999-9999. Providers update this record themselves, so call before visiting.
How can I verify Chen Ying Wu, MD's license?
NPPES lists California license number A133011, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chen Ying Wu, MD prescribe under Medicare Part D?
In 2024, Chen Ying Wu, MD had 79 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.