Gideon Puiyuen Kwok, DO
Legal Medicine · Rancho Cucamonga, CA
Gideon Puiyuen Kwok, DO is a legal medicine with a practice address in Rancho Cucamonga, California, and NPI 1700023520, issued on Jan 15, 2009. Check the license (California 20A8908, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gideon Puiyuen Kwok
- Credential
- DO
- Primary taxonomy
- Legal Medicine 173000000X
- License number
- 20A8908 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12225 Foothill Blvd #120, Rancho Cucamonga, CA 91739
- Phone
- (909) 922-5100
- Enumerated
- Jan 15, 2009
- Record last updated
- Jan 15, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (909) 922-5150
- Entity
- Type 1 · individual
8 nearest legal medicine records → All 112 in California → Look up another NPI →
Verify Gideon Puiyuen Kwok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 20A8908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $238,204.38
66 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 144 providers of this specialty with any payment received $4,618.84 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.
Gideon Puiyuen Kwok among 112 legal medicine records in California
Gideon Puiyuen Kwok, DO is one of 112 legal medicine records with a practice address in California. 42% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 83% of them.
- NPI issued2009 · 83% of these records are older, 12% newer
- In a Medicare fileYes · 42% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2009 · 86% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 173000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Legal Medicine providers in California
There are 112 legal medicine records in California.
All 112 in California → Every provider in Rancho Cucamonga → Legal Medicine nationwide →
The 8 legal medicine records with the nearest ZIP codes
- Borko Djordjevic, M.D., PHD., F.I.C.S.Rancho Cucamonga, CA 917301871790147
- Kung Sheu, M.D.Rowland Heights, CA 917481700841574
- Leena Sheth, M.DPomona, CA 917671255365722
- Jeannette Benjamin, M.D.Upland, CA 917861851328835
- Fouad Tawadrous, M.D.Upland, CA 917861013940543
- Ralph Steiger, M.D.West Covina, CA 917901528096450
- Arkadi BeglaryanNorth Hollywood, CA 916071073824058
- Carmelita Uy, M.D.Chula Vista, CA 919101154431484
Common questions
What is Gideon Puiyuen Kwok, DO's NPI number?
Gideon Puiyuen Kwok, DO's National Provider Identifier (NPI) is 1700023520, issued on Jan 15, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Gideon Puiyuen Kwok, DO located?
The NPPES record lists a practice address at 12225 Foothill Blvd #120, Rancho Cucamonga, CA, 91739. Phone: (909) 922-5100. Providers update this record themselves, so call before visiting.
How can I verify Gideon Puiyuen Kwok, DO's license?
NPPES lists California license number 20A8908, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.