Christopher Aou, DO
Family Medicine Physician · Fullerton, CA
Christopher Aou, DO is a family medicine physician with a practice address in Fullerton, California, and NPI 1164422671, issued on Jul 26, 2005. Check the license (California 20A7260, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher Aou
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A7260 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1835 Sunny Crest Dr, Fullerton, CA 92835
- Phone
- (714) 446-5101
- Enumerated
- Jul 26, 2005
- Record last updated
- Oct 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100527000161); accepts Medicare assignment
- Medical or professional school
- College Of Osteo Med Of The Pacific At Pomona, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1835 Sunny Crest Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mailyn Avila, LCSWClinical Social Worker1942636360
- Jinhwan Bae, MDFamily Medicine Physician1942943410
- Ariana Berta, LCSWClinical Social Worker1497595367
- Mark Davenport, M.D.Family Medicine Physician1679569636
- Julie Fortune, M.S.Marriage & Family Therapist1376685974
- Jennifer Fuentes, N.P.Family Nurse Practitioner1992906465
Verify Christopher Aou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A7260Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average family medicine physician in 2024
4,834 Medicare Part D claims for 583 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium597 claims
- Amlodipine Besylate382 claims
- Losartan Potassium372 claims
- Lisinopril238 claims
- Metformin Hcl184 claims
- Hydrochlorothiazide149 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: $240.11
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Bills Medicare through one group practice
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
35 family medicine physician records list a practice address in Fullerton
They are 35 of the 5,437 NPPES records with a practice address in Fullerton, and 17,133 family medicine physician records in California.
All 35 in Fullerton → All 17,133 in California → Every provider in Fullerton →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Christopher Aou, DO's NPI number?
Christopher Aou, DO's National Provider Identifier (NPI) is 1164422671, issued on Jul 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Aou, DO located?
The NPPES record lists a practice address at 1835 Sunny Crest Dr, Fullerton, CA, 92835. Phone: (714) 446-5101. Providers update this record themselves, so call before visiting.
How can I verify Christopher Aou, DO's license?
NPPES lists California license number 20A7260, 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 Christopher Aou, DO prescribe under Medicare Part D?
In 2024, Christopher Aou, DO had 4,834 Medicare Part D claims for 583 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.