NPPES file of Aug 9, 2026

Sarunas Sliesoraitis, DO, PHARM D

Hematology & Oncology Physician · Astonia, OR

Sarunas Sliesoraitis, DO, PHARM D is a hematology & oncology physician with a practice address in Astonia, Oregon, and NPI 1003043704, issued on Jun 19, 2009. Check the license on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003043704
Name
Sarunas Sliesoraitis
Credential
DO, PHARM D
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
9717170-1204 UT
UO 3134 FL
Self-reported in NPPES; status is on the state search
Practice location
1905 Exchange St, Astonia, OR 97103
Phone
(503) 338-4085
Enumerated
Jun 19, 2009
Record last updated
May 15, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Sarunas Sliesoraitis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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23% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,083 Medicare Part D claims for 174 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 71 claims were for opioids.

  1. Sarunas Sliesoraitis1,083
  2. Specialty average877

Most prescribed

  1. Letrozole95 claims
  2. Tamoxifen Citrate89 claims
  3. Anastrozole65 claims
  4. Abiraterone Acetate62 claims
  5. Hydroxyurea56 claims
  6. Prednisone51 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.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $15.00

1 payment: education; the largest payer was Aveo Pharmaceuticals, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sarunas Sliesoraitis$15.00
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Sarunas Sliesoraitis among 138 hematology & oncology physician records in Oregon

Sarunas Sliesoraitis, DO, PHARM D is one of 138 hematology & oncology physician records with a practice address in Oregon. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 69% of them.

  • NPI issued2009 · 69% of these records are older, 28% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Oregon

There are 138 hematology & oncology physician records in Oregon.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Jeyanthi Ramanarayanan, MDAstoria, OR 971031538269394
  2. Gerald Gibbs, M.D.Hillsboro, OR 971231386710903
  3. Catherine O'Brien, M.D.McMinnville, OR 971281417994047
  4. Jeffrey McWilliams, M.D.West Linn, OR 970681114920899
  5. Charles Doolittle, M.D.Tualatin, OR 970621487873097
  6. Ian Schnadig, M.D.Tualatin, OR 970621467664839
  7. Adam Leikensohn, M.D.The Dalles, OR 970581720046097
  8. Eric Anderson, M.D., PH.D.Hood River, OR 970311477765493

Common questions

What is Sarunas Sliesoraitis, DO, PHARM D's NPI number?

Sarunas Sliesoraitis, DO, PHARM D's National Provider Identifier (NPI) is 1003043704, issued on Jun 19, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Sarunas Sliesoraitis, DO, PHARM D located?

The NPPES record lists a practice address at 1905 Exchange St, Astonia, OR, 97103. Phone: (503) 338-4085. Providers update this record themselves, so call before visiting.

How can I verify Sarunas Sliesoraitis, DO, PHARM D's license?

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 Sarunas Sliesoraitis, DO, PHARM D prescribe under Medicare Part D?

In 2024, Sarunas Sliesoraitis, DO, PHARM D had 1,083 Medicare Part D claims for 174 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Sarunas Sliesoraitis, DO, PHARM D'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.