Antonio O. Ong, MD
Child & Adolescent Psychiatry Physician · San Diego, CA
Antonio O. Ong, MD is a child & adolescent psychiatry physician with a practice address in San Diego, California, and NPI 1770631756, issued on Jan 8, 2007. Check the license (California A66310, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Antonio O. Ong
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- A66310 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4647 Zion Ave, San Diego, CA 92120
- Phone
- (619) 528-5000
- Enumerated
- Jan 8, 2007
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110214000450); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Also registered at 4647 Zion Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Antonio O. Ong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A66310Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
208 Medicare Part D claims for 44 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.
Most prescribed
- Lamotrigine18 claims
- Clonazepam16 claims
- Lorazepam15 claims
- Topiramate14 claims
- Venlafaxine Hcl Er13 claims
- Olanzapine11 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
- Southern California Permanente Medical GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Antonio O. Ong among 1,009 child & adolescent psychiatry physician records in California
Antonio O. Ong, MD is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 41% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated1984 · median 2005 among the 215 with a school on file
- Record last updated2021 · 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 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in California
There are 1,009 child & adolescent psychiatry physician records in California.
All 1,009 in California → Every provider in San Diego → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Neil Alex, MDSan Diego, CA 921201528139433
- Charles Fleischer, DOSan Diego, CA 921201720130180
- Jeanne Hong, M.D.San Diego, CA 921201568678605
- Sonali Jeste, MDSan Diego, CA 921201518015304
- Michael Juboori, MDSan Diego, CA 921201205984259
- Shahzad Khan, MDSan Diego, CA 921201164570974
- Eric Mustonen, MDSan Diego, CA 921201598813370
- Breda Velasquez, MDSan Diego, CA 921201750439584
Common questions
What is Antonio O. Ong, MD's NPI number?
Antonio O. Ong, MD's National Provider Identifier (NPI) is 1770631756, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Antonio O. Ong, MD located?
The NPPES record lists a practice address at 4647 Zion Ave, San Diego, CA, 92120. Phone: (619) 528-5000. Providers update this record themselves, so call before visiting.
How can I verify Antonio O. Ong, MD's license?
NPPES lists California license number A66310, 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 Antonio O. Ong, MD prescribe under Medicare Part D?
In 2024, Antonio O. Ong, MD had 208 Medicare Part D claims for 44 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. 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.