Ting-Wei Ou, MD
Occupational Medicine Physician · Corona, CA
Ting-Wei Ou, MD is an occupational medicine physician with a practice address in Corona, California, and NPI 1669600250, issued on Jun 23, 2009. Check the license (California A133010, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ting-Wei Ou
- Credential
- MD
- Primary taxonomy
- Occupational Medicine Physician 2083X0100X
- License number
- A133010 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21634 Retreat Pkwy, Corona, CA 92883
- Phone
- (951) 493-6929
- Enumerated
- Jun 23, 2009
- Record last updated
- Apr 14, 2025
- Fax
- (951) 826-8156
- Medicare enrollment
- Enrolled (PECOS I20190416003194); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest occupational medicine physician records → All 415 in California → Look up another NPI →
Also registered at 21634 Retreat Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Simran Brar, DOEndocrinology, Diabetes & Metabolism Physician1164783908
- Steven Deterville, MDPediatrics Physician1700860285
Verify Ting-Wei Ou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A133010Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average occupational medicine physician in 2024
231 Medicare Part D claims for 159 beneficiaries, against an average of 794 among the 463 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin52 claims
- Nitrofurantoin Mono-Macro28 claims
- Albuterol Sulfate Hfa26 claims
- Amoxicillin-Clavulanate Potass21 claims
- Ciprofloxacin Hcl15 claims
- Paxlovid14 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
- Riverside Medical Clinic IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ting-Wei Ou among 415 occupational medicine physician records in California
Ting-Wei Ou, MD is one of 415 occupational medicine physician records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 76% of them.
- NPI issued2009 · 76% of these records are older, 20% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated2009 · median 1995 among the 51 with a school on file
- Record last updated2025 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Occupational Medicine Physician providers in California
There are 415 occupational medicine physician records in California.
All 415 in California → Every provider in Corona → Occupational Medicine Physician nationwide →
The 8 occupational medicine physician records with the nearest ZIP codes
- Oluyemisi Olubi, MD, MPH.Corona, CA 928821942496096
- Nelhs Betancourt, MD, MPH, DABTCorona, CA 928791780779371
- Dean B Baker, MDOrange, CA 928681689754764
- Wayne Chang, MDOrange, CA 928681306926076
- Jessica Chuang, M.D.Orange, CA 928681861802613
- Leslie M Israel, DOOrange, CA 928681285714451
- Elliott Kornhauser, MDOrange, CA 928681508946716
- Behzad Haghi, MDAnaheim, CA 928071477620367
Common questions
What is Ting-Wei Ou, MD's NPI number?
Ting-Wei Ou, MD's National Provider Identifier (NPI) is 1669600250, issued on Jun 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ting-Wei Ou, MD located?
The NPPES record lists a practice address at 21634 Retreat Pkwy, Corona, CA, 92883. Phone: (951) 493-6929. Providers update this record themselves, so call before visiting.
How can I verify Ting-Wei Ou, MD's license?
NPPES lists California license number A133010, 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 Ting-Wei Ou, MD prescribe under Medicare Part D?
In 2024, Ting-Wei Ou, MD had 231 Medicare Part D claims for 159 beneficiaries; the average among occupational medicine physician prescribers was 794. 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.