Dr. Thanavut James Jiansakul, MD

  • Los Angeles, CA
  • Internist
NPI1558507665PAC ID3678793882
Part D claims, 2024
750
Hospital affiliations
1
Industry payments
$1,140
Medical groups
2
Insurance carriers
2
Practice address
123 S Alvarado Street, Los Angeles, CA 90057
Practice phone
Call (213) 201-2746
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Clínica Romero - Los Angeles (S Alvarado St)

FQHC - Main Site · Los Angeles, California

See all 6 affiliations

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Dr. Thanavut James Jiansakul is an internist in Los Angeles, California

Dr. Jiansakul practices at Clínica Romero - Los Angeles (S Alvarado St) in Los Angeles, California.

Dr. Jiansakul's NPI, 1558507665, was assigned on December 18, 2008. Dr. Jiansakul graduated from Avalon University School of Medicine in 2008. Dr. Jiansakul holds California license C180272.

NPI and contact details
Medicare PAC ID
3678793882
NPI enumeration date
December 18, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(213) 201-2746
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Thanavut James Jiansakul practices at Clínica Romero - Los Angeles (S Alvarado St) in Los Angeles, California

Dr. Jiansakul's primary practice is Clínica Romero - Los Angeles (S Alvarado St), at 123 S Alvarado Street, Los Angeles, CA 90057 in Los Angeles County. The practice phone is (213) 201-2746.

  • Clínica Romero - Los Angeles (S Alvarado St)
    123 S Alvarado Street, Los Angeles, CA 90057 · Los Angeles CountyPhone(213) 201-2746

Source: Dmand AI Affiliation Data

Dr. Thanavut James Jiansakul is affiliated with 4 sites of care and 2 medical groups

Dr. Jiansakul's primary practice is Clínica Romero - Los Angeles (S Alvarado St) in Los Angeles, California. Dr. Jiansakul is also affiliated with St. Joseph Medical Center. The medical group on file is Wesley Health Centers - JWCH Institute, Inc. Dmand AI also links Dr. Jiansakul to 1 more behavioral health center, 1 community health center and 1 medical group, each named with a free account. Dr. Jiansakul's employer is on file too: a community health center (fqhc).

See all 6 affiliations for Dr. Jiansakul

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Thanavut James Jiansakul's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jiansakul practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Clínica Romero - Los Angeles (S Alvarado St)Available with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thanavut James Jiansakul is one of 16,751 internists in California

Internal medicine is Dr. Jiansakul's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Jiansakul's licenses on file in 6 states: California, Maine, New Jersey, Pennsylvania, Ohio and North Carolina.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense C180272 · 2022 to 2026 · taxonomy 207R00000X
  • Maine licenseLicense EL141036 · 2014 to 2023
  • New Jersey license2012 to 2016
  • Student in an organized health care education/training program, PennsylvaniaLicense MT194705 · 2009 to 2016 · taxonomy 390200000X
  • Ohio license2008 to 2014
  • North Carolina license2003 to 2004

Clinical focus

Dmand AI lists acute sinusitis, chronic hypertension, chronic kidney disease, contact dermatitis, drug use disorders, joint pain, lower back pain and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Jiansakul treats.

Internists near Dr. Jiansakul

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Thanavut James Jiansakul's patients have a median age of 49

Across all payers, Dmand AI patient panel data puts Dr. Jiansakul's median patient age at 49, with 48% women.

Dr. Jiansakul's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women48%
  • Men52%

Source: Dmand AI Patient Panel Data

Dr. Thanavut James Jiansakul wrote 750 Medicare Part D claims in 2024

In 2024, Dr. Jiansakul wrote 750 Medicare Part D claims for 79 patients. 88% of them were for generic drugs. CMS names the drug for 459 of them, across 20 drugs with 11 or more claims each, at $61,804 in total drug cost. In 2023, CMS named 123 claims across 6 drugs.

Part D claims, 2024750
Drugs named by CMS20
Total drug cost$61,804
Part D patients79

Dr. Jiansakul's Part D claims by kind of drug, 2024

  • Generic658 claims88%
  • Brand-name and other92 claims12%

Dr. Jiansakul's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Jiansakul's Part D claims, 2024

  • Antibiotics4%32 of 750 claims
  • Antipsychotics, patients 65 and over2%14 of 750 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1232024: 459273%

Drugs named by CMS: 20 in 2024, 6 in 2023.

See all prescribing by Dr. Jiansakul

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Thanavut James Jiansakul takes part in Medicare

Dr. Jiansakul accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Thanavut James Jiansakul received $1,140 in industry payments from 2016 to 2025

CMS Open Payments shows 86 general payments to Dr. Jiansakul from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $222.

General payments to Dr. Jiansakul by program year, 2016 to 2025

Companies that paid Dr. Jiansakul the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Jiansakul

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Thanavut James Jiansakul graduated from Avalon University School of Medicine

Dr. Jiansakul graduated from Avalon University School of Medicine in 2008.

  1. Medical schoolAvalon University School of Medicine

Source: Dmand AI Professional Profile Data

Dr. Thanavut James Jiansakul accepts plans from 2 insurance carriers

Dr. Jiansakul is in network with 2 carriers, including LA Care and Molina. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • LA Care
  • Molina

Plan types Dr. Jiansakul accepts, by number of carriers

  1. HMO2
  2. Medicare2
  3. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Thanavut James Jiansakul's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Thanavut James Jiansakul

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Thanavut James Jiansakul's NPI number?

Dr. Thanavut James Jiansakul's NPI number is 1558507665. It was assigned on December 18, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Thanavut James Jiansakul?

Dr. Thanavut James Jiansakul is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Thanavut James Jiansakul practice?

Dr. Jiansakul practices at 123 S Alvarado Street, Los Angeles, CA 90057. Dr. Jiansakul's primary practice is Clínica Romero - Los Angeles (S Alvarado St) in Los Angeles, California. Dmand AI also links Dr. Jiansakul to 1 behavioral health center, 1 community health center and 1 medical group.

What is Dr. Thanavut James Jiansakul's office phone number?

The practice phone on file for Dr. Jiansakul is (213) 201-2746.

What is Dr. Thanavut James Jiansakul's medical license number?

Dr. Jiansakul holds California license C180272, one of the licenses on file in 6 states.

Which states has Dr. Thanavut James Jiansakul been licensed in?

Dmand AI has state licenses on file for Dr. Jiansakul in California (2022 to 2026), Maine (2014 to 2023), New Jersey (2012 to 2016), Pennsylvania (2009 to 2016), Ohio (2008 to 2014) and North Carolina (2003 to 2004).

Which hospitals is Dr. Thanavut James Jiansakul affiliated with?

Dr. Jiansakul is affiliated with St. Joseph Medical Center.

What medical group is Dr. Thanavut James Jiansakul part of?

Dr. Jiansakul is linked to Wesley Health Centers - JWCH Institute, Inc. Dmand AI links Dr. Jiansakul to 1 more medical group.

Does Dr. Thanavut James Jiansakul accept Medicare?

Yes. CMS lists Dr. Jiansakul as accepting Medicare assignment.

Where did Dr. Thanavut James Jiansakul go to medical school?

Dr. Jiansakul graduated from Avalon University School of Medicine in 2008.

Show 4 more questionsShow fewer questions

What drugs does Dr. Thanavut James Jiansakul prescribe most?

In 2024 Medicare Part D data, Dr. Jiansakul's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.

Has Dr. Thanavut James Jiansakul received payments from drug or device companies?

CMS Open Payments shows $1,140 in general payments to Dr. Jiansakul from 15 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Thanavut James Jiansakul been practicing?

Dr. Jiansakul graduated from medical school in 2008, 18 years ago.

What insurance does Dr. Thanavut James Jiansakul accept?

Dr. Jiansakul is in network with 2 carriers, including LA Care and Molina. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

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