Karl Kwok, MD
Gastroenterology Physician · Los Angeles, CA
Karl Kwok, MD is a gastroenterology physician with a practice address in Los Angeles, California, and NPI 1457569626, issued on May 19, 2007. Check the license (California A116170, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karl Kwok
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A116170 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1526 N Edgemont St FL 7, Los Angeles, CA 90027
- Phone
- (800) 954-8000
- Enumerated
- May 19, 2007
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 0237035 NJ
- Medicare enrollment
- Enrolled (PECOS I20111011000554); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1526 N Edgemont St FL 7
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Chang, M.D.Gastroenterology Physician1285053298
- Cheryl De La Cuadra-Respicio, MSN, ACNPAcute Care Nurse Practitioner1063942761
- Angeline LiuStudent in an Organized Health Care Education/Training Program1750814083
- Rasham Mittal, M.D.Internal Medicine Physician1538502992
Verify Karl Kwok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A116170Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average gastroenterology physician in 2024
720 Medicare Part D claims for 612 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Gavilyte-C591 claims
- Omeprazole45 claims
- Mesalamine21 claims
- Vemlidy13 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: $104.12
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 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 one group practice
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karl Kwok among 2,140 gastroenterology physician records in California
Karl Kwok, MD is one of 2,140 gastroenterology 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 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 37% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2004 · median 2002 among the 1,538 with a school on file
- Record last updated2021 · 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 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Los Angeles → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Noor AliLos Angeles, CA 900271700273422
- Jonathan Chang, M.D.Los Angeles, CA 900271285053298
- Chris Conteas, MDLos Angeles, CA 900271407923360
- Elizabeth Dong, M.D.Los Angeles, CA 900271538553631
- Donald Gerety, MDLos Angeles, CA 900271861551483
- Aaron Lee, MDLos Angeles, CA 900271831455575
- Kenny Liu, MDLos Angeles, CA 900271134277197
- Vijayamalini Pampati, DOLos Angeles, CA 900271225109119
Common questions
What is Karl Kwok, MD's NPI number?
Karl Kwok, MD's National Provider Identifier (NPI) is 1457569626, issued on May 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karl Kwok, MD located?
The NPPES record lists a practice address at 1526 N Edgemont St FL 7, Los Angeles, CA, 90027. Phone: (800) 954-8000. Providers update this record themselves, so call before visiting.
How can I verify Karl Kwok, MD's license?
NPPES lists California license number A116170, 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 Karl Kwok, MD prescribe under Medicare Part D?
In 2024, Karl Kwok, MD had 720 Medicare Part D claims for 612 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.