Yat-Choi Kwong, M.D.
Allergy & Immunology Physician · Los Angeles, CA
Yat-Choi Kwong, M.D. is an allergy & immunology physician with a practice address in Los Angeles, California, and NPI 1649315698, issued on Feb 20, 2007. Check the license (California G71385, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yat-Choi Kwong
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- G71385 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1801 Marengo St RM 1G1, Los Angeles, CA 90033
- Phone
- (323) 409-3737
- Enumerated
- Feb 20, 2007
- Record last updated
- Mar 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (323) 226-5049
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 444 in California → Look up another NPI →
Verify Yat-Choi Kwong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G71385Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
35 Medicare Part D claims, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of 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: $26,456.13
44 payments; by number, the most common kind was food and beverage; the largest payer was Phadia US Inc. The 2,496 providers of this specialty with any payment received $8,321.81 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.
Yat-Choi Kwong among 444 allergy & immunology physician records in California
Yat-Choi Kwong, M.D. is one of 444 allergy & immunology physician records with a practice address in California. 79% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 38% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2019 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in California
There are 444 allergy & immunology physician records in California.
All 444 in California → Every provider in Los Angeles → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Nhan Huynh, M.D.Los Angeles, CA 900331518903814
- Emilio Jauregui, MDLos Angeles, CA 900331205463684
- Asal Naderi, MDLos Angeles, CA 900331275859027
- Anoshie Ratnayake, M.D.Los Angeles, CA 900331427228873
- Shijun Xi, M.D.Los Angeles, CA 900331407130636
- Richard Harris, MDLos Angeles, CA 900351104904051
- Barry Kohn, M.D.Los Angeles, CA 900281073699724
- Melinda Braskett, M.D.Los Angeles, CA 900271457313967
Common questions
What is Yat-Choi Kwong, M.D.'s NPI number?
Yat-Choi Kwong, M.D.'s National Provider Identifier (NPI) is 1649315698, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Yat-Choi Kwong, M.D. located?
The NPPES record lists a practice address at 1801 Marengo St RM 1G1, Los Angeles, CA, 90033. Phone: (323) 409-3737. Providers update this record themselves, so call before visiting.
How can I verify Yat-Choi Kwong, M.D.'s license?
NPPES lists California license number G71385, 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 Yat-Choi Kwong, M.D. prescribe under Medicare Part D?
In 2024, Yat-Choi Kwong, M.D. had 35 Medicare Part D claims; the average among allergy & immunology physician prescribers was 741. 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.