Yat-Choi Kwong, M.D.
NPI 1649315698 · Allergy & Immunology Physician · Los Angeles, CA
Enrolled with Medicare as Order and Referring Only - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yat-Choi Kwong, M.D. is a Allergy & Immunology Physician provider in Los Angeles, CA (NPI 1649315698).
Provider details
- NPI number
- 1649315698
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G71385 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$26,456 across 44 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-20
- Last updated
- 2019-03-26
Frequently asked questions
- What is Yat-Choi Kwong's NPI number?
- Yat-Choi Kwong's National Provider Identifier (NPI) is 1649315698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yat-Choi Kwong's specialty?
- Yat-Choi Kwong is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Yat-Choi Kwong located?
- Yat-Choi Kwong's practice location on file with NPPES is 1801 Marengo St Rm 1g1, Los Angeles, CA 90033-1365.
- What is Yat-Choi Kwong's phone number?
- The practice phone number listed in the NPPES registry for Yat-Choi Kwong is (323) 409-3737.
- Does Yat-Choi Kwong accept Medicare?
- Yat-Choi Kwong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yat-Choi Kwong's NPI active?
- Yes — Yat-Choi Kwong's NPI (1649315698) is active in the NPPES registry as of the last update on 2019-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.