Charlton Ong, MD
Diagnostic Radiology Physician · Los Angeles, CA
Charlton Ong, MD is a diagnostic radiology physician with a practice address in Los Angeles, California, and NPI 1902302318, issued on Apr 4, 2018. Check the license (California A165489, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charlton Ong
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A165489 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1983 Marengo St, Los Angeles, CA 90033
- Phone
- (323) 409-7677
- Enumerated
- Apr 4, 2018
- Entity
- Type 1 · individual
Also registered at 1983 Marengo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mirasol AgustinGastroenterology Registered Nurse1073036695
- Somaya Albhaisi, MBBCH, MPHGastroenterology Physician1518318104
- Sinat Aleje, NPStudent in an Organized Health Care Education/Training Program1609496736
- Ashkon AnsariEmergency Medicine Physician1730551607
- Leila AquinoGastroenterology Registered Nurse1497279574
- Kirsten Balogh, NPFamily Nurse Practitioner1770821217
Verify Charlton Ong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A165489Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
One hospital or facility affiliation
- Moran Rowen And Dorsey IncOrange, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Diagnostic Radiology Physician providers in California
There are 4,131 diagnostic radiology physician records in California.
Other diagnostic radiology physician records in California
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- Ahmed Abdelhalim, MDRiverside, CA1275162927
- Fatemeh Abdollahi Mofakham, MDLos Angeles, CA1659652915
- Bennett Abe, MDVisalia, CA1184731283
- Stephen Abedon, M.D.Daly City, CA1689628687
- Richard Abello, M.D.La Jolla, CA1245205996
- Deborah Abelson, M.D.Thousand Oaks, CA1821277252
- Denise Aberle, MDLos Angeles, CA1053361501
Common questions
What is Charlton Ong, MD's NPI number?
Charlton Ong, MD's National Provider Identifier (NPI) is 1902302318, issued on Apr 4, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Charlton Ong, MD located?
The NPPES record lists a practice address at 1983 Marengo St, Los Angeles, CA, 90033. Phone: (323) 409-7677. Providers update this record themselves, so call before visiting.
How can I verify Charlton Ong, MD's license?
NPPES lists California license number A165489, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.