Registry data as of Aug 27, 2026

Stephanie Ong, MD

Student in an Organized Health Care Education/Training Program · Sylmar, CA

Stephanie Ong, MD is a student in an organized health care education/training program with a practice address in Sylmar, California, and NPI 1295420347, issued on Apr 5, 2023. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1295420347
Name
Stephanie Ong
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
14445 Olive View Dr # 2B-182, Sylmar, CA 91342
Phone
(747) 210-3205
Enumerated
Apr 5, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 14445 Olive View Dr # 2B-182

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nawal Afif, DOStudent in an Organized Health Care Education/Training Program1205464336
  2. Christopher Metchnikoff, M.D.Internal Medicine Physician1023365939
  3. Fabiola Ochoa, MDInternal Medicine Physician1568826956
  4. Charissa So, M.D.Internal Medicine Physician1558563700

Verify Stephanie Ong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

87% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

62 Medicare Part D claims for 17 beneficiaries, against an average of 488 among the 106,422 providers of this specialty who prescribed in Part D.

  1. Stephanie Ong62
  2. Specialty average488

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.

254 student in an organized health care education/training program records list a Sylmar practice address

They are 254 of the 1,454 NPPES records with a Sylmar practice address, and 49,599 student in an organized health care education/training program records in California.

Other student in an organized health care education/training program records in California

  1. Sanad A'BasiFresno, CA1720915770
  2. Alexander Aabedi, MDSan Francisco, CA1245971480
  3. Andre AabediPomona, CA1891582102
  4. Natalie Aabodi, DMDPomona, CA1851085187
  5. Mati Aamed, PSY.D.Pacoima, CA1689285470
  6. Kjeld Aamodt, DDS, MSSan Francisco, CA1912250176
  7. Megan Aaronson, MD, MSCRLos Angeles, CA1386272102
  8. Manas AavulaPomona, CA1972496644
  9. Louisa AbadaOakland, CA1023502259
  10. Sharon AbadaSan Francisco, CA1003492844

Common questions

What is Stephanie Ong, MD's NPI number?

Stephanie Ong, MD's National Provider Identifier (NPI) is 1295420347, issued on Apr 5, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Ong, MD located?

The NPPES record lists a practice address at 14445 Olive View Dr # 2B-182, Sylmar, CA, 91342. Phone: (747) 210-3205. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Ong, MD's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Stephanie Ong, MD prescribe under Medicare Part D?

In 2024, Stephanie Ong, MD had 62 Medicare Part D claims for 17 beneficiaries; the average among student in an organized health care education/training program prescribers was 488. Part D covers Medicare prescriptions only.

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.