Aaron T. Sasaki, MD
Internal Medicine Physician · Astoria, OR
Aaron T. Sasaki, MD is an internal medicine physician with a practice address in Astoria, Oregon, and NPI 1740372648, issued on Sep 28, 2006. Check the license (Oregon MD26759, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Aaron T. Sasaki
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD26759 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1355 Exchange St Ste 3, Astoria, OR 97103
- Phone
- (503) 338-4325
- Enumerated
- Sep 28, 2006
- Record last updated
- Oct 17, 2025
- Fax
- (503) 338-2903
- Medicare enrollment
- Enrolled (PECOS I20061026000589); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Verify Aaron T. Sasaki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD26759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average internal medicine physician in 2024
5,346 Medicare Part D claims for 315 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 216 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium353 claims
- Levothyroxine Sodium262 claims
- Amlodipine Besylate238 claims
- Valsartan225 claims
- Escitalopram Oxalate210 claims
- Atorvastatin Calcium205 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): 100 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: $35.76
2 payments; by number, the most common kind was food and beverage; the largest payer was Eisai Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Aaron T. Sasaki among 2,116 internal medicine physician records in Oregon
Aaron T. Sasaki, MD is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2002 · median 2008 among the 1,232 with a school on file
- Record last updated2025 · 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 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Oregon
There are 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Astoria → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Aaron Brown, D.OAstoria, OR 971031831532100
- Sangkun Park, MDAstoria, OR 971031477622991
- Mary Ann Turner, M.D.Cornelius, OR 971131508805789
- Alia Paquette, D.O.Dundee, OR 971151154612851
- Jean Korchinski, MDForest Grove, OR 971161851308035
- Robert Seward, MDForest Grove, OR 971161922207364
- Thuyet Tran, M.D.Damascus, OR 970891063626497
- Katherine Fisher, DOHappy Valley, OR 970861568576940
Common questions
What is Aaron T. Sasaki, MD's NPI number?
Aaron T. Sasaki, MD's National Provider Identifier (NPI) is 1740372648, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Aaron T. Sasaki, MD located?
The NPPES record lists a practice address at 1355 Exchange St Ste 3, Astoria, OR, 97103. Phone: (503) 338-4325. Providers update this record themselves, so call before visiting.
How can I verify Aaron T. Sasaki, MD's license?
NPPES lists Oregon license number MD26759, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aaron T. Sasaki, MD prescribe under Medicare Part D?
In 2024, Aaron T. Sasaki, MD had 5,346 Medicare Part D claims for 315 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Aaron T. Sasaki, MD's MIPS final score?
The 2023 MIPS final score is 100 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.