Somasundaram Subramaniam, MD
Medical Oncology Physician · Seattle, WA
Somasundaram Subramaniam, MD is a medical oncology physician with a practice address in Seattle, Washington, and NPI 1972766111, issued on Jul 8, 2008. Check the license (Washington MD60460530, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Somasundaram Subramaniam
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- MD60460530 WA
5563 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Madison St FL 2, Seattle, WA 98104
- Phone
- (206) 386-2323
- Enumerated
- Jul 8, 2008
- Record last updated
- Sep 22, 2025
- Fax
- (206) 215-6165
- Medicare enrollment
- Enrolled (PECOS I20140815002348); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 183 in Washington → Look up another NPI →
Also registered at 1221 Madison St FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Brown, M.D.Medical Oncology Physician1992880991
- Dawn Case, ARNPNurse Practitioner1639266000
- Siddhartha Devarakonda, MDMedical Oncology Physician1487932398
- Philip Gold, MDMedical Oncology Physician1265516983
- Ronan Hsieh, MDHematology & Oncology Physician1457880031
- Rafael Santana Davila, MDHematology & Oncology Physician1760595227
Verify Somasundaram Subramaniam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60460530Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average medical oncology physician in 2024
114 Medicare Part D claims for 33 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Tagrisso47 claims
- Folic Acid11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Swedish Health ServicesSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Somasundaram Subramaniam among 183 medical oncology physician records in Washington
Somasundaram Subramaniam, MD is one of 183 medical oncology physician records with a practice address in Washington. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 71% of them.
- NPI issued2008 · 71% of these records are older, 22% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2004 · median 1998 among the 112 with a school on file
- Record last updated2025 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Washington
There are 183 medical oncology physician records in Washington.
All 183 in Washington → Every provider in Seattle → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Thomas Brown, M.D.Seattle, WA 981041992880991
- Siddhartha Devarakonda, MDSeattle, WA 981041487932398
- Albert Einstein, MDSeattle, WA 981041558444588
- Erin Ellis, MDSeattle, WA 981041447334164
- Rafic Farah, MDSeattle, WA 981041780760587
- Mehmet Fer, MDSeattle, WA 981041164506887
- Mark FrohlichSeattle, WA 981041366528168
- Philip Gold, MDSeattle, WA 981041265516983
Common questions
What is Somasundaram Subramaniam, MD's NPI number?
Somasundaram Subramaniam, MD's National Provider Identifier (NPI) is 1972766111, issued on Jul 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Somasundaram Subramaniam, MD located?
The NPPES record lists a practice address at 1221 Madison St FL 2, Seattle, WA, 98104. Phone: (206) 386-2323. Providers update this record themselves, so call before visiting.
How can I verify Somasundaram Subramaniam, MD's license?
NPPES lists Washington license number MD60460530, 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 Somasundaram Subramaniam, MD prescribe under Medicare Part D?
In 2024, Somasundaram Subramaniam, MD had 114 Medicare Part D claims for 33 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Somasundaram Subramaniam, MD's MIPS final score?
The 2023 MIPS final score is 82.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.