Ragavan Vignesh Siddharthan, M.D.
Surgery Physician · Seattle, WA
Ragavan Vignesh Siddharthan, M.D. is a surgery physician with a practice address in Seattle, Washington, and NPI 1841686441, issued on Apr 9, 2015. Check the license (Washington MD61574196, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Ragavan Vignesh Siddharthan
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- MD61574196 WA
Self-reported in NPPES; status is on the state search - Practice location
- 825 Eastlake Ave E, Seattle, WA 98109
- Phone
- (206) 520-5000
- Enumerated
- Apr 9, 2015
- Record last updated
- Aug 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20240808002817); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 791 in Washington → Look up another NPI →
Also registered at 825 Eastlake Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shirali AgarwalHematology & Oncology Physician1972093052
- Ali AlgiraigriSpecialist1467880260
Verify Ragavan Vignesh Siddharthan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61574196Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average surgery physician in 2024
43 Medicare Part D claims for 28 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
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: $289.78
2 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ragavan Vignesh Siddharthan among 791 surgery physician records in Washington
Ragavan Vignesh Siddharthan, M.D. is one of 791 surgery physician records with a practice address in Washington. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 78% of them.
- NPI issued2015 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2015 · median 2006 among the 439 with a school on file
- Record last updated2024 · 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 208600000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Washington
There are 791 surgery physician records in Washington.
All 791 in Washington → Every provider in Seattle → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Aislinn Lewis, MDSeattle, WA 981091609363290
- Charles Liu, MDSeattle, WA 981091083077200
- Emily Palmquist, M.D.Seattle, WA 981091003296500
- Estell Williams, MDSeattle, WA 981091841532157
- Dana Lynge, MDSeattle, WA 981081275639825
- Roger Tatum, MDSeattle, WA 981081306957345
- Gakyung Chung, M.D.Seattle, WA 981121417004607
- Eric Froines, M.D.Seattle, WA 981121619024296
Common questions
What is Ragavan Vignesh Siddharthan, M.D.'s NPI number?
Ragavan Vignesh Siddharthan, M.D.'s National Provider Identifier (NPI) is 1841686441, issued on Apr 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ragavan Vignesh Siddharthan, M.D. located?
The NPPES record lists a practice address at 825 Eastlake Ave E, Seattle, WA, 98109. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.
How can I verify Ragavan Vignesh Siddharthan, M.D.'s license?
NPPES lists Washington license number MD61574196, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ragavan Vignesh Siddharthan, M.D. prescribe under Medicare Part D?
In 2024, Ragavan Vignesh Siddharthan, M.D. had 43 Medicare Part D claims for 28 beneficiaries; the average among surgery physician prescribers was 147. 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.