Karen W. Kwan, M.D.
General Practice Physician · Torrance, CA
Karen W. Kwan, M.D. is a general practice physician with a practice address in Torrance, California, and NPI 1316042542, issued on Sep 13, 2006. Check the license (California A88896, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen W. Kwan
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- A88896 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 W Carson St, Torrance, CA 90502
- Phone
- (310) 222-2465
- Enumerated
- Sep 13, 2006
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (310) 328-6837
- Medicare enrollment
- Enrolled (PECOS I20061024000397); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1000 W Carson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arjan AbarStudent in an Organized Health Care Education/Training Program1982309290
- Brenda Abarca, MDPsychiatry Physician1407485527
- Maleeha AbbasStudent in an Organized Health Care Education/Training Program1275203499
- Saamirah Abdul-MuminCommunity Health Worker1144683947
- Maria Elena AbedesAmbulatory Care Registered Nurse1184360992
- Hoda Abou-Ziab, PSYDClinical Psychologist1649618125
Verify Karen W. Kwan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88896Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average general practice physician in 2024
811 Medicare Part D claims for 162 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Anastrozole235 claims
- Dexamethasone50 claims
- Tamoxifen Citrate43 claims
- Ondansetron Hcl41 claims
- Exemestane34 claims
- Kisqali27 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
Other general practice physician records in California
- Hessam Aazami, M.D.Canoga Park, CA1144299173
- Ali Abaian, M.D.Los Angeles, CA1316061674
- Tahira Abbasi, MDLa Jolla, CA1619062346
- Ryan Abbott, M.D.Los Angeles, CA1194016030
- Adel Abdelsayed, M.D.Huntington Park, CA1922164961
- Kashif Abdullah, M.D. , M.P.HSan Jose, CA1164651212
- Ilona Abraham, MDEncino, CA1700939576
- Jerry Abraham, MD, MPH, CMQLos Angeles, CA1932514874
- Azniv Abrahamian, M.D.North Hollywood, CA1033270293
- Elliot Abravanel, MDSan Marino, CA1821610114
Common questions
What is Karen W. Kwan, M.D.'s NPI number?
Karen W. Kwan, M.D.'s National Provider Identifier (NPI) is 1316042542, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen W. Kwan, M.D. located?
The NPPES record lists a practice address at 1000 W Carson St, Torrance, CA, 90502. Phone: (310) 222-2465. Providers update this record themselves, so call before visiting.
How can I verify Karen W. Kwan, M.D.'s license?
NPPES lists California license number A88896, 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 Karen W. Kwan, M.D. prescribe under Medicare Part D?
In 2024, Karen W. Kwan, M.D. had 811 Medicare Part D claims for 162 beneficiaries; the average among general practice physician prescribers was 3,030. 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.