Justine Ku
Psychiatry Physician · San Diego, CA
Justine Ku is a psychiatry physician with a practice address in San Diego, California, and NPI 1205579703, issued on Apr 14, 2022. Check the license (California A190175, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Justine Ku
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A190175 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Dickinson St., San Diego, CA 92130
- Phone
- (619) 471-0209
- Enumerated
- Apr 14, 2022
- Record last updated
- Dec 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20240819000982); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Justine Ku in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A190175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average psychiatry physician in 2024
174 Medicare Part D claims for 19 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Bupropion Xl19 claims
- Quetiapine Fumarate16 claims
- Duloxetine Hcl13 claims
- Buspirone Hcl12 claims
- Mirtazapine12 claims
- Amitriptyline Hcl11 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.
Bills Medicare through one group practice
- Community Research Foundation IncChula Vista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justine Ku among 8,673 psychiatry physician records in California
Justine Ku 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 2022, is newer than 93% of them.
- NPI issued2022 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2022 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Diego → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Al Alam, M.D.San Diego, CA 921301174700678
- Fay Azad, MDSan Diego, CA 921301376647313
- Suchandra Brahma, M.D.San Diego, CA 921301114148582
- Susan Erman, MDSan Diego, CA 921301285720441
- Danielle Haber, M.D.San Diego, CA 921301710091475
- Steven James, MDSan Diego, CA 921301033306071
- Lu Le, D.O.San Diego, CA 921301194801175
- Tara Mauro, D.O.San Diego, CA 921301962508903
Common questions
What is Justine Ku's NPI number?
Justine Ku's National Provider Identifier (NPI) is 1205579703, issued on Apr 14, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Justine Ku located?
The NPPES record lists a practice address at 200 Dickinson St., San Diego, CA, 92130. Phone: (619) 471-0209. Providers update this record themselves, so call before visiting.
How can I verify Justine Ku's license?
NPPES lists California license number A190175, 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 Justine Ku prescribe under Medicare Part D?
In 2024, Justine Ku had 174 Medicare Part D claims for 19 beneficiaries; 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.