Thanavut James Jiansakul, M.D.
Internal Medicine Physician · Los Angeles, CA
Thanavut James Jiansakul, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1558507665, issued on Dec 18, 2008. Check the license (California C180272, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thanavut James Jiansakul
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C180272 CA
EL141036 ME
MT194705 PA
Self-reported in NPPES; status is on the state search - Practice location
- 954 N Vermont Ave, Los Angeles, CA 90029
- Phone
- (562) 867-7999
- Enumerated
- Dec 18, 2008
- Record last updated
- Jan 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20230113002556); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 954 N Vermont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Opeposi AdetunjiPediatrics Physician1891435863
- Marnel Baradi, PA-CPhysician Assistant1033410238
- Karen CardonaHealth Educator1407455355
- Gloria ChavezHealth Educator1245809482
- Hannah Hochman Segal, MDInternal Medicine Physician1184002073
- Jim Lui, PAPhysician Assistant1629774294
Verify Thanavut James Jiansakul in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C180272Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average internal medicine physician in 2024
750 Medicare Part D claims for 79 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium56 claims
- Lisinopril39 claims
- Amlodipine Besylate36 claims
- Ibuprofen30 claims
- Gabapentin29 claims
- Omeprazole26 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: $130.70
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Jwch Institute IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 1,423 in Los Angeles → All 17,696 in California → Every provider in Los Angeles →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Thanavut James Jiansakul, M.D.'s NPI number?
Thanavut James Jiansakul, M.D.'s National Provider Identifier (NPI) is 1558507665, issued on Dec 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Thanavut James Jiansakul, M.D. located?
The NPPES record lists a practice address at 954 N Vermont Ave, Los Angeles, CA, 90029. Phone: (562) 867-7999. Providers update this record themselves, so call before visiting.
How can I verify Thanavut James Jiansakul, M.D.'s license?
NPPES lists California license number C180272, 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 Thanavut James Jiansakul, M.D. prescribe under Medicare Part D?
In 2024, Thanavut James Jiansakul, M.D. had 750 Medicare Part D claims for 79 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.