Kazuo Quan Omi, MD
Psychiatry Physician · Corona, CA
Kazuo Quan Omi, MD is a psychiatry physician with a practice address in Corona, California, and NPI 1356721120, issued on Jun 5, 2015. Check the license (California A168135, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kazuo Quan Omi
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A168135 CA
Self-reported in NPPES; status is on the state search - Practice location
- 284 Dupont St Ste 130, Corona, CA 92879
- Phone
- (909) 206-4057
- Enumerated
- Jun 5, 2015
- Record last updated
- Jun 16, 2026
- Fax
- (951) 518-9145
- Medicare enrollment
- Enrolled (PECOS I20231031000703); may accept Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 284 Dupont St Ste 130
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mutahir Farhan, MDAddiction Medicine (Internal Medicine) Physician1033856661
- Angelica Parocua, PAPhysician Assistant1669116968
Verify Kazuo Quan Omi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A168135Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
62 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
- Escitalopram Oxalate14 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
- Regents OF The University OF CaliforniaRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kazuo Quan Omi among 8,673 psychiatry physician records in California
Kazuo Quan Omi, 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 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2015 · median 2005 among the 3,295 with a school on file
- Record last updated2026 · 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 Corona → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Marianne Bergheim, M.D.Corona, CA 928791437474277
- Sai Chundu, MDCorona, CA 928791609968460
- Andrew DornanCorona, CA 928791447647326
- Rubina Faizy, M.D.Corona, CA 928791467984427
- Aliuddin Khaja, MDCorona, CA 928791477754612
- Stella Kim, M.D.Corona, CA 928791306001391
- Harika Reddy, MDCorona, CA 928791952968323
- Darlene Tu, MDCorona, CA 928791366071169
Common questions
What is Kazuo Quan Omi, MD's NPI number?
Kazuo Quan Omi, MD's National Provider Identifier (NPI) is 1356721120, issued on Jun 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Kazuo Quan Omi, MD located?
The NPPES record lists a practice address at 284 Dupont St Ste 130, Corona, CA, 92879. Phone: (909) 206-4057. Providers update this record themselves, so call before visiting.
How can I verify Kazuo Quan Omi, MD's license?
NPPES lists California license number A168135, 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 Kazuo Quan Omi, MD prescribe under Medicare Part D?
In 2024, Kazuo Quan Omi, MD had 62 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.