Smith Apisarnthanarax, MD
Radiation Oncology Physician · Seattle, WA
Smith Apisarnthanarax, MD is a radiation oncology physician with a practice address in Seattle, Washington, and NPI 1184839722, issued on May 14, 2007. Check the license (Washington MD60335889, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Smith Apisarnthanarax
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- MD60335889 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1570 N 115TH St, Seattle, WA 98133
- Phone
- (206) 306-2804
- Enumerated
- May 14, 2007
- Record last updated
- May 30, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 1184839722 WA
- Medicare enrollment
- Enrolled (PECOS I20130412000224); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 198 in Washington → Look up another NPI →
Also registered at 1570 N 115TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Brawer, MDUrology Physician1295712651
- James Joki, MDObstetrics & Gynecology Physician1588660781
- Suji LeeNephrology Physician1245296094
- Kiwan Paik, M.D.Family Medicine Physician1912904285
- Ramesh Rengan, MD. PHDRadiation Oncology Physician1801981428
- Yolanda Tseng, MDRadiation Oncology Physician1588892749
Verify Smith Apisarnthanarax in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60335889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average radiation oncology physician in 2024
27 Medicare Part D claims for 19 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl11 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): 97.2 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).
Industry payments in 2024: $92.92
1 payment: food and beverage; the largest payer was Daiichi Sankyo Inc. The 3,275 providers of this specialty with any payment received $1,897.85 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).
Smith Apisarnthanarax among 198 radiation oncology physician records in Washington
Smith Apisarnthanarax, MD is one of 198 radiation oncology physician records with a practice address in Washington. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 43% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2002 · median 2006 among the 141 with a school on file
- Record last updated2013 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Washington
There are 198 radiation oncology physician records in Washington.
All 198 in Washington → Every provider in Seattle → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Daniel Landis, M.D.Seattle, WA 981331013930643
- Robert Meier, M.D.Seattle, WA 981331215950704
- Ramesh Rengan, MD. PHDSeattle, WA 981331801981428
- Waylene Swensen, MDSeattle, WA 981331104901933
- Yolanda Tseng, MDSeattle, WA 981331588892749
- James Brashears, MDSeattle, WA 981221720177819
- Charles Leyrer, M.D.Seattle, WA 981221518301464
- Sandra Vermeulen, M.D.Seattle, WA 981221578586962
Common questions
What is Smith Apisarnthanarax, MD's NPI number?
Smith Apisarnthanarax, MD's National Provider Identifier (NPI) is 1184839722, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Smith Apisarnthanarax, MD located?
The NPPES record lists a practice address at 1570 N 115TH St, Seattle, WA, 98133. Phone: (206) 306-2804. Providers update this record themselves, so call before visiting.
How can I verify Smith Apisarnthanarax, MD's license?
NPPES lists Washington license number MD60335889, 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 Smith Apisarnthanarax, MD prescribe under Medicare Part D?
In 2024, Smith Apisarnthanarax, MD had 27 Medicare Part D claims for 19 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Smith Apisarnthanarax, MD's MIPS final score?
The 2023 MIPS final score is 97.2 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.