NPPES file of Aug 9, 2026

Peck Yeow Ong, MD

Pediatric Allergy/Immunology Physician · Los Angeles, CA

Peck Yeow Ong, MD is a pediatric allergy/immunology physician with a practice address in Los Angeles, California, and NPI 1659478865, issued on Sep 20, 2006. Check the license (California A64334, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659478865
Name
Peck Yeow Ong
Credential
MD
Primary taxonomy
Pediatric Allergy/Immunology Physician 2080P0201X
License number
A64334 CA
Self-reported in NPPES; status is on the state search
Practice location
4650 Sunset Blvd, Los Angeles, CA 90027
Phone
(323) 669-2501
Enumerated
Sep 20, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(323) 669-4627
Medicaid ID
00A643340 CA
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 4650 Sunset Blvd

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

  1. Grace Aldrovandi, MDPediatric Infectious Diseases Physician1225122906
  2. John Arsenault, MDPediatrics Physician1124647334
  3. Jeffrey Birnbaum, MDPediatric Emergency Medicine (Pediatrics) Physician1679992242
  4. Allyssa BrodyChild & Adolescent Psychiatry Physician1598171589
  5. Laura Campbell, MDChild & Adolescent Psychiatry Physician1326539297
  6. Mary Capili, MSPsychologist1770385833

Verify Peck Yeow Ong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A64334
    Check 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
Open the California license search

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Industry payments in 2024: $28,672.58

38 payments; by number, the most common kind was food and beverage; the largest payer was Dermavant Sciences, Inc. The 289 providers of this specialty with any payment received $7,101.54 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Peck Ong$28,673
  2. Specialty average$7,102

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Peck Yeow Ong among 52 pediatric allergy/immunology physician records in California

Peck Yeow Ong, MD is one of 52 pediatric allergy/immunology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 50% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Allergy/Immunology Physician providers in California

There are 52 pediatric allergy/immunology physician records in California.

The 8 pediatric allergy/immunology physician records with the nearest ZIP codes

  1. Joseph Church, MDLos Angeles, CA 900271942393095
  2. Ronald Ferdman, MDLos Angeles, CA 900271275626202
  3. Neema Izadi, MD, MSLos Angeles, CA 900271003278086
  4. Stephanie Rodriguez, PNPLos Angeles, CA 900271336821594
  5. Marilyn Li, MDLos Angeles, CA 900331528260825
  6. Elizabeth FeuilleLos Angeles, CA 900671447549019
  7. Manish Butte, M.D., PH.D.Los Angeles, CA 900951801861216
  8. Talal Chatila, M.D.Los Angeles, CA 900951952321846

Common questions

What is Peck Yeow Ong, MD's NPI number?

Peck Yeow Ong, MD's National Provider Identifier (NPI) is 1659478865, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peck Yeow Ong, MD located?

The NPPES record lists a practice address at 4650 Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 669-2501. Providers update this record themselves, so call before visiting.

How can I verify Peck Yeow Ong, MD's license?

NPPES lists California license number A64334, 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), 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.