Debra Ouyang, MD
Endocrinology, Diabetes & Metabolism Physician · Camarillo, CA
Debra Ouyang, MD is an endocrinology, diabetes & metabolism physician with a practice address in Camarillo, California, and NPI 1174753826, issued on Jul 15, 2009. Check the license (California A113595, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Debra Ouyang
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A113595 CA
Self-reported in NPPES; status is on the state search - Practice location
- 422 Arneill RD Ste B, Camarillo, CA 93010
- Phone
- (805) 383-4510
- Enumerated
- Jul 15, 2009
- Record last updated
- Jul 15, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (805) 383-4511
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 422 Arneill RD Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Debra Ouyang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A113595Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
12 Medicare Part D claims, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
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.
Debra Ouyang among 1,131 endocrinology, diabetes & metabolism physician records in California
Debra Ouyang, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% 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 64% of them.
- NPI issued2009 · 64% of these records are older, 32% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2014 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Camarillo → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Harvey Schneir, M.D.Camarillo, CA 930101326195678
- Gulnar Poorsattar, MDCamarillo, CA 930121033264999
- Susan Ahern, D.O.Ventura, CA 930031508156597
- Diana ChangVentura, CA 930031396142386
- Ronald Chochinov, MDVentura, CA 930031730116930
- Lauren FicksVentura, CA 930031609912666
- Martha Gonzalez, M.D., M.P.HVentura, CA 930031033261144
- Aldo Ilarde, MDVentura, CA 930031639253735
Common questions
What is Debra Ouyang, MD's NPI number?
Debra Ouyang, MD's National Provider Identifier (NPI) is 1174753826, issued on Jul 15, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Debra Ouyang, MD located?
The NPPES record lists a practice address at 422 Arneill RD Ste B, Camarillo, CA, 93010. Phone: (805) 383-4510. Providers update this record themselves, so call before visiting.
How can I verify Debra Ouyang, MD's license?
NPPES lists California license number A113595, 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 Debra Ouyang, MD prescribe under Medicare Part D?
In 2024, Debra Ouyang, MD had 12 Medicare Part D claims; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.