Doctor profile · Federal record

Dr. Smith Apisarnthanarax, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Seattle, WA

  • NPI 1184839722
  • Accepts Medicare
  • MIPS 95.0 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1570 N 115Th St
Seattle, WA 981338401
(206) 306-2804
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
May 30, 2013
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Washington #MD60335889
Medicaid
WA #1184839722

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184839722. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
967
Distinct HCPCS
10
Medicare allowed
$74,213
HCPCS Description Services Patients Avg allowed
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 338 181 $22
77014 Ct guidance for insertion of radiation therapy fields 206 45 $49
77427 Radiation treatment management, 5 treatment sessions 121 45 $209
77300 Calculation of radiation therapy dose 77 28 $36
99214 Established patient office or other outpatient visit, 30-39 minutes 36 26 $105
99205 New patient office or other outpatient visit, 60-74 minutes 32 32 $194
77263 Complex radiation therapy planning 28 26 $183
77334 Design and construction of complex radiation treatment device 26 12 $66
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 20 20 $90
77295 3d radiation therapy planning 19 18 $246

In context: peer comparison

Among 27 peers in this city , average services per provider: 74. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$93
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo Inc. 1 $92.92

By nature of payment

Food and Beverage
$93

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$124
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 11 0 $124

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Smith Apisarnthanarax's medical specialty?
Dr. Smith Apisarnthanarax practices Radiation Oncology Physician in Seattle, WA.
Where does Dr. Smith Apisarnthanarax practice?
Dr. Smith Apisarnthanarax practices at 1570 N 115Th St, Seattle, WA 981338401. Office phone: 2063062804.
What is Dr. Smith Apisarnthanarax's NPI?
Dr. Smith Apisarnthanarax's National Provider Identifier (NPI) is 1184839722, issued by NPPES.
Does Dr. Smith Apisarnthanarax accept Medicare assignment?
Yes. Dr. Smith Apisarnthanarax accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Smith Apisarnthanarax commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.