Hung Kang Ou, MD
Family Medicine Physician · Chino Hills, CA
Hung Kang Ou, MD is a family medicine physician with a practice address in Chino Hills, California, and NPI 1942219944, issued on Aug 7, 2006. Check the license (California A41511, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hung Kang Ou
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A41511 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4195 Chino Hills Pkwy Ste H, Chino Hills, CA 91709
- Phone
- (909) 597-7817
- Enumerated
- Aug 7, 2006
- Record last updated
- Jul 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (909) 597-7984
- Medicaid ID
- 00A415111 CA
- Medicare enrollment
- Enrolled (PECOS I20110125000082); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 4195 Chino Hills Pkwy Ste H
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rainbow Chung-Ou, M.D.Family Medicine Physician1811282650
Verify Hung Kang Ou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A41511Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average family medicine physician in 2024
2,306 Medicare Part D claims for 201 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 30 claims were for opioids.
Most prescribed
- Atorvastatin Calcium166 claims
- Amlodipine Besylate143 claims
- Metformin Hcl122 claims
- Tamsulosin Hcl81 claims
- Omeprazole72 claims
- Losartan Potassium71 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: $348.60
15 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 55,478 providers of this specialty with any payment received $902.55 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.
Hung Kang Ou among 17,133 family medicine physician records in California
Hung Kang Ou, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1978 · median 2005 among the 10,652 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 family medicine physician records list a practice address in Chino Hills
They are 23 of the 774 NPPES records with a practice address in Chino Hills, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Chino Hills → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Saman Aboudi, MDChino Hills, CA 917091831112820
- Ryan Agena, MDChino Hills, CA 917091891877395
- Tiffany Anderson Terrell, DOChino Hills, CA 917091629188404
- Carlos Baez, MDChino Hills, CA 917091225038961
- Ashish Bhalla, MDChino Hills, CA 917091184701104
- Gary Fontan, MDChino Hills, CA 917091760482731
- Benny Guzman, M.D.Chino Hills, CA 917091710988035
- Ofelia Narvasa, M.D.Chino Hills, CA 917091558404558
Common questions
What is Hung Kang Ou, MD's NPI number?
Hung Kang Ou, MD's National Provider Identifier (NPI) is 1942219944, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hung Kang Ou, MD located?
The NPPES record lists a practice address at 4195 Chino Hills Pkwy Ste H, Chino Hills, CA, 91709. Phone: (909) 597-7817. Providers update this record themselves, so call before visiting.
How can I verify Hung Kang Ou, MD's license?
NPPES lists California license number A41511, 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 Hung Kang Ou, MD prescribe under Medicare Part D?
In 2024, Hung Kang Ou, MD had 2,306 Medicare Part D claims for 201 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.