Keith Kwok, M.D.
Diagnostic Radiology Physician · Tracy, CA
Keith Kwok, M.D. is a diagnostic radiology physician with a practice address in Tracy, California, and NPI 1104807569, issued on Nov 10, 2005. Check the license (California A96381, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Keith Kwok
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A96381 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1530 North Bessie Avenue, Tracy, CA 95376
- Phone
- (209) 833-2393
- Enumerated
- Nov 10, 2005
- Record last updated
- Oct 1, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060906000348); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Verify Keith Kwok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A96381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 90.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $494.89
4 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,048 providers of this specialty with any payment received $2,488.38 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.
Bills Medicare through 5 group practices
- Adventist Health Physicians NetworkLodi, CA
- Central Valley Imaging Medical Associates IncSalinas, CA
- County OF San JoaquinFrensh Camp, CA
- Delta Radiology IncLos Gatos, CA
- Lodi Memorial Hospital Association IncLodi, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keith Kwok among 4,500 diagnostic radiology physician records in California
Keith Kwok, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2004 · median 2004 among the 3,130 with a school on file
- Record last updated2013 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 diagnostic radiology physician records list a practice address in Tracy
They are 10 of the 1,864 NPPES records with a practice address in Tracy, and 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Tracy → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Garth Harley, MDTracy, CA 953761194715078
- Sam Kokoris, MDTracy, CA 953761578553335
- Robert Lim, M.D.Tracy, CA 953761669430518
- Joseph Marshall, M.D.Tracy, CA 953761750341483
- Richard Porzio, MDTracy, CA 953761053301945
- Mario Sattah, MDTracy, CA 953761063444768
- Chull Song, MDTracy, CA 953761154312668
- Saral Verma, MDTracy, CA 953761619948882
Common questions
What is Keith Kwok, M.D.'s NPI number?
Keith Kwok, M.D.'s National Provider Identifier (NPI) is 1104807569, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Keith Kwok, M.D. located?
The NPPES record lists a practice address at 1530 North Bessie Avenue, Tracy, CA, 95376. Phone: (209) 833-2393. Providers update this record themselves, so call before visiting.
How can I verify Keith Kwok, M.D.'s license?
NPPES lists California license number A96381, 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.
What is Keith Kwok, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.