Dr. Aaron T. Sasaki, MD

  • Astoria, OR
  • Internist
NPI1740372648PAC ID4385641752
Medicare services, 2024
4,010
Medicare patients, 2024
385
Part D claims, 2024
5,346
MIPS score, 2024
85
Hospital affiliations
4
Practice address
441 30th St, Astoria, OR 97103
Practice phone
Call (503) 338-4325
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Aaron T. Sasaki, MD

Astoria, Oregon

See all 8 affiliations

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Dr. Aaron T. Sasaki is an internist in Astoria, Oregon

Dr. Sasaki practices at Aaron T. Sasaki, MD in Astoria, Oregon.

Dr. Sasaki's NPI, 1740372648, was assigned on September 28, 2006. Dr. Sasaki graduated from Oregon Health Sciences University School of Medicine in 2002. Dr. Sasaki holds Oregon license MD26759.

NPI and contact details
Medicare PAC ID
4385641752
NPI enumeration date
September 28, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(503) 338-4325
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
50
Medical school graduation
2002

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Aaron T. Sasaki practices at Aaron T. Sasaki, MD in Astoria, Oregon

Dr. Sasaki's primary practice is Aaron T. Sasaki, MD, at 441 30th St, Astoria, OR 97103 in Clatsop County. The practice phone is (503) 338-4325.

  • Aaron T. Sasaki, MD
    441 30th St, Astoria, OR 97103 · Clatsop CountyPhone(503) 338-4325

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Aaron T. Sasaki is affiliated with 8 sites of care

Dr. Sasaki's primary practice is Aaron T. Sasaki, MD in Astoria, Oregon. Dr. Sasaki is also affiliated with Columbia Memorial Hospital. Dmand AI also links Dr. Sasaki to 3 more hospitals, 2 home health agencies and 1 physician office, each named with a free account.

See all 8 affiliations for Dr. Sasaki

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Aaron T. Sasaki's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sasaki practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Aaron T. Sasaki, MDAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Aaron T. Sasaki is one of 1,680 internists in Oregon

Internal medicine is Dr. Sasaki's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sasaki is licensed in Oregon.

Specialties and state licenses

  • Internal medicine, OregonPrimaryLicense MD26759 · taxonomy 207R00000X

Internists near Dr. Sasaki

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Aaron T. Sasaki billed Medicare for 4,010 services in 2024

CMS data shows 4,010 Medicare services from Dr. Sasaki across 16 procedure codes in 2024, for 385 Medicare patients. Medicare paid $211,933 for them. Every service was in an office.

Medicare services, 20244,010
Medicare patients385
Paid by Medicare$211,933
Procedure codes16

Dr. Sasaki's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,6212024: 1,6331%
Other services
2023: 4972024: 1,401182%
Surgery
2023: 7392024: 738No change
Lab and pathology
2023: 1622024: 1592%
Tests and treatments
2023: 562024: 7941%
Drugs given in the office
2023: 222024: 0100%

Dr. Sasaki compared with the Oregon median for internists, 2024

  • Dr. Sasaki
  • Oregon median
Medicare services
4,010vs 30013.4 times
Medicare patients
385vs 1322.9 times
Part D claims
4,840vs 22221.8 times

Medians across 1,791 internists in Oregon with Dmand AI profiles that report each measure.

Dr. Sasaki's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Sasaki

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Aaron T. Sasaki treated 385 Medicare patients in 2024, average age 75

CMS counts 385 Medicare patients who saw Dr. Sasaki in 2024. The largest group is 65 to 74, with 183 patients. 58% of them have high blood pressure, and 47% have high cholesterol. Their average risk score is 0.81, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Sasaki's median patient age at 69, with 41% women.

Medicare patients, 2024385
Average age75
Average risk score0.81

Dr. Sasaki's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Sasaki's Medicare patients by sex, 2024

  • Women17345%
  • Men21255%

Chronic conditions among Dr. Sasaki's Medicare patients, 2024

  1. High blood pressure58%
  2. High cholesterol47%
  3. Arthritis30%
  4. Atrial fibrillation20%
  5. Diabetes20%
  6. Ischemic heart disease20%
  7. Depression14%
  8. Heart failure14%

Share of Medicare patients with each condition. A patient can have several.

Dr. Sasaki's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women41%
  • Men58%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Aaron T. Sasaki wrote 5,346 Medicare Part D claims in 2024

In 2024, Dr. Sasaki wrote 5,346 Medicare Part D claims for 315 patients. 90% of them were for generic drugs. CMS names the drug for 4,840 of them, across 90 drugs with 11 or more claims each, at $240,036 in total drug cost. In 2023, CMS named 4,622 claims across 84 drugs.

Part D claims, 20245,346
Drugs named by CMS90
Total drug cost$240,036
Part D patients315

Dr. Sasaki's Part D claims by kind of drug, 2024

  • Generic4,805 claims90%
  • Brand-name525 claims10%
  • Other16 claims0%

Dr. Sasaki's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Sasaki's Part D claims, 2024

  • Opioids4%216 of 5,346 claims
  • Antibiotics3%177 of 5,346 claims
  • Antipsychotics, patients 65 and over1%41 of 5,346 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4,6222024: 4,8405%

Drugs named by CMS: 90 in 2024, 84 in 2023.

See all prescribing by Dr. Sasaki

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Aaron T. Sasaki scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Sasaki for performance year 2024, reported individually. Dr. Sasaki accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sasaki as offering telehealth. CMS counts 76 procedures of removal of skin lesions by Dr. Sasaki, more than 74% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Sasaki's MIPS scores, performance year 2024

  • 85of 100Final score
  • 82.5of 100Quality
  • 40of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Sasaki ranks in Medicare procedure volume

Removal of skin lesions
74th percentile76 procedures
Skin biopsy
65th percentile28 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Aaron T. Sasaki received $667 in industry payments from 2016 to 2025

CMS Open Payments shows 37 general payments to Dr. Sasaki from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $291.

General payments to Dr. Sasaki by program year, 2016 to 2025

General payments to Dr. Sasaki by kind, 2016 to 2025

$667in total
  • Food and beverage$66299%
  • Education$51%

Companies that paid Dr. Sasaki the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Sasaki

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Aaron T. Sasaki graduated from Oregon Health Sciences University School of Medicine

Dr. Sasaki graduated from Oregon Health Sciences University School of Medicine in 2002.

  1. Medical schoolOregon Health Sciences University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Aaron T. Sasaki's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Aaron T. Sasaki

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Aaron T. Sasaki's NPI number?

Dr. Aaron T. Sasaki's NPI number is 1740372648. It was assigned on September 28, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Aaron T. Sasaki?

Dr. Aaron T. Sasaki is an internist in Astoria, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Aaron T. Sasaki practice?

Dr. Sasaki practices at 441 30th St, Astoria, OR 97103. Dr. Sasaki's primary practice is Aaron T. Sasaki, MD in Astoria, Oregon. Dmand AI also links Dr. Sasaki to 3 hospitals, 2 home health agencies and 1 physician office.

What is Dr. Aaron T. Sasaki's office phone number?

The practice phone on file for Dr. Sasaki is (503) 338-4325.

What is Dr. Aaron T. Sasaki's medical license number?

Dr. Sasaki holds Oregon license MD26759.

Which hospitals is Dr. Aaron T. Sasaki affiliated with?

Dr. Sasaki is affiliated with Columbia Memorial Hospital. Dmand AI links Dr. Sasaki to 3 more hospitals.

Does Dr. Aaron T. Sasaki accept Medicare?

Yes. CMS data shows Dr. Sasaki billed Medicare for 4,010 services in 2024, and Dr. Sasaki accepts Medicare assignment.

Does Dr. Aaron T. Sasaki offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Sasaki as offering telehealth services.

What is Dr. Aaron T. Sasaki's MIPS score?

Dr. Sasaki's MIPS final score for performance year 2024 is 85 out of 100, reported individually.

How many Medicare patients does Dr. Aaron T. Sasaki see?

CMS counts 385 Medicare patients who saw Dr. Sasaki in 2024, with an average age of 75.

Show 5 more questionsShow fewer questions

What services does Dr. Aaron T. Sasaki bill to Medicare?

In 2024, Dr. Sasaki's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and surgery: heart and blood vessels (36415).

Where did Dr. Aaron T. Sasaki go to medical school?

Dr. Sasaki graduated from Oregon Health Sciences University School of Medicine in 2002.

What drugs does Dr. Aaron T. Sasaki prescribe most?

In 2024 Medicare Part D data, Dr. Sasaki's most prescribed drugs by claims were Rosuvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.

Has Dr. Aaron T. Sasaki received payments from drug or device companies?

CMS Open Payments shows $667 in general payments to Dr. Sasaki from 9 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Aaron T. Sasaki been practicing?

Dr. Sasaki graduated from medical school in 2002, 24 years ago.

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