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Dr. Jayantha Thiyanaratnam, MD
NPI1639499247PAC ID9739323395
- Part D claims, 2024
- 872
- Publications
- 3
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 4760 W Sunset Blvd, Los Angeles, CA 90027
- Practice phone
- Call (323) 783-4011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Los Angeles, California
Find Dr. Thiyanaratnam's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jayantha Thiyanaratnam is an internist in Los Angeles, California
Dr. Thiyanaratnam practices at Southern California Permanente Medical Group in Los Angeles, California.
Dr. Thiyanaratnam's NPI, 1639499247, was assigned on June 4, 2010. Dr. Thiyanaratnam graduated from Baylor College Of Medicine in 2010. Dr. Thiyanaratnam holds Texas license BP10036783.
NPI and contact details
- NPI
- 1639499247NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739323395
- NPI enumeration date
- June 4, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 783-4011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jayantha Thiyanaratnam practices at Southern California Permanente Medical Group in Los Angeles, California
Dr. Thiyanaratnam's primary practice is Southern California Permanente Medical Group, at 4760 W Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.
- Southern California Permanente Medical Group4760 W Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jayantha Thiyanaratnam is affiliated with 2 sites of care and 1 medical group
Dr. Thiyanaratnam's primary practice is Southern California Permanente Medical Group in Los Angeles, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Thiyanaratnam to 1 more group practice or clinic, named with a free account.
Southern California Permanente Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jayantha Thiyanaratnam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thiyanaratnam practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jayantha Thiyanaratnam is one of 16,751 internists in California
Internal medicine is Dr. Thiyanaratnam's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Thiyanaratnam is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Thiyanaratnam's licenses on file in 3 states: Texas, California and Missouri.
Specialties and state licenses
- Internal medicine, TexasPrimary
- California license
- Missouri license
Internists near Dr. Thiyanaratnam
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. Jayantha Thiyanaratnam's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Dr. Thiyanaratnam's median patient age at 48, with 54% women.
Dr. Thiyanaratnam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women54%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Jayantha Thiyanaratnam wrote 872 Medicare Part D claims in 2024
In 2024, Dr. Thiyanaratnam wrote 872 Medicare Part D claims for 293 patients. 90% of them were for generic drugs. CMS names the drug for 766 of them, across 19 drugs with 11 or more claims each, at $198,358 in total drug cost. In 2023, CMS named 752 claims across 22 drugs.
Part D claims, 2024872
Drugs named by CMS19
Total drug cost$198,358
Part D patients293
Dr. Thiyanaratnam's Part D claims by kind of drug, 2024
- Generic789 claims90%
- Brand-name83 claims10%
Dr. Thiyanaratnam'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. Thiyanaratnam's Part D claims, 2024
- Antibiotics1%11 of 872 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: 7522024: 7662%
Drugs named by CMS: 19 in 2024, 22 in 2023.
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. Jayantha Thiyanaratnam takes part in Medicare
Dr. Thiyanaratnam 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. Jayantha Thiyanaratnam has 3 publications on record
Dmand AI links 3 papers to Dr. Thiyanaratnam in 2009. Dr. Thiyanaratnam's most frequent co-authors are Philip R. Cohen, MD, Sean David Doherty, MD and Bhuvaneswari Krishnan, MD.
Papers3
Dr. Thiyanaratnam's most frequent co-authors
- Philip R. Cohen, MD1 shared paper
- Sean David Doherty, MD1 shared paper
- Bhuvaneswari Krishnan, MD1 shared paper
Recent publications by Dr. Thiyanaratnam
Antifungal AgentsFluconazoleStevens-Johnson Syndrome
PsoriasisRemission, SpontaneousStroke
See who Dr. Thiyanaratnam researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thiyanaratnam works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jayantha Thiyanaratnam graduated from Baylor College Of Medicine
Dr. Thiyanaratnam graduated from Baylor College Of Medicine in 2010.
- Medical school
- Board certified in dermatology
Source: Dmand AI Professional Profile Data
Dr. Jayantha Thiyanaratnam accepts plans from 2 insurance carriers
Dr. Thiyanaratnam is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Thiyanaratnam accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jayantha Thiyanaratnam's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jayantha Thiyanaratnam
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. Jayantha Thiyanaratnam's NPI number?
Dr. Jayantha Thiyanaratnam's NPI number is 1639499247. It was assigned on June 4, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Jayantha Thiyanaratnam?
Dr. Jayantha Thiyanaratnam is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jayantha Thiyanaratnam practice?
Dr. Thiyanaratnam practices at 4760 W Sunset Blvd, Los Angeles, CA 90027. Dr. Thiyanaratnam's primary practice is Southern California Permanente Medical Group in Los Angeles, California. Dmand AI also links Dr. Thiyanaratnam to 1 group practice or clinic.
What is Dr. Jayantha Thiyanaratnam's office phone number?
The practice phone on file for Dr. Thiyanaratnam is (323) 783-4011.
What is Dr. Jayantha Thiyanaratnam's medical license number?
Dr. Thiyanaratnam holds Texas license BP10036783, one of the licenses on file in 3 states.
Which states has Dr. Jayantha Thiyanaratnam been licensed in?
Dmand AI has state licenses on file for Dr. Thiyanaratnam in Texas, California (2014 to 2026) and Missouri (2011 to 2014).
What medical group is Dr. Jayantha Thiyanaratnam part of?
Dr. Thiyanaratnam is linked to Southern California Permanente Medical Group.
Does Dr. Jayantha Thiyanaratnam accept Medicare?
Yes. CMS lists Dr. Thiyanaratnam as accepting Medicare assignment.
Is Dr. Jayantha Thiyanaratnam board certified?
Yes. Dr. Thiyanaratnam is board certified in dermatology by the American Board of Dermatology.
Where did Dr. Jayantha Thiyanaratnam go to medical school?
Dr. Thiyanaratnam graduated from Baylor College Of Medicine in 2010.
Show 5 more questionsShow fewer questions
What drugs does Dr. Jayantha Thiyanaratnam prescribe most?
In 2024 Medicare Part D data, Dr. Thiyanaratnam's most prescribed drugs by claims were Triamcinolone Acetonide, Clobetasol Propionate and Betamethasone Diprop Augmented.
How long has Dr. Jayantha Thiyanaratnam been practicing?
Dr. Thiyanaratnam graduated from medical school in 2010, 16 years ago.
Does Dr. Jayantha Thiyanaratnam do research?
Dmand AI links 3 publications to Dr. Thiyanaratnam.
Who does Dr. Jayantha Thiyanaratnam publish with?
Dr. Thiyanaratnam's most frequent co-authors are Philip R. Cohen, MD (1 shared paper), Sean David Doherty, MD (1 shared paper) and Bhuvaneswari Krishnan, MD (1 shared paper).
What insurance does Dr. Jayantha Thiyanaratnam accept?
Dr. Thiyanaratnam is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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