NPPES file of Aug 9, 2026

Koji Sasaki, M.D.

Hematology & Oncology Physician · Houston, TX

Koji Sasaki, M.D. is a hematology & oncology physician with a practice address in Houston, Texas, and NPI 1023318284, issued on Oct 21, 2010. Check the license (Texas P9119, as entered in NPPES) on the Texas 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
1023318284
Name
Koji Sasaki
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
P9119 TX
Self-reported in NPPES; status is on the state search
Practice location
1515 Holcombe Blvd, Houston, TX 77030
Phone
(713) 792-6161
Enumerated
Oct 21, 2010
Record last updated
Oct 4, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170516000531); may accept Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1515 Holcombe Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ashley Aaroe, MDNeurology Physician1902295793
  2. Linda Abad, PA-CPhysician Assistant1063928240
  3. Cynthia Abarado, RN, GNPGerontology Nurse Practitioner1851471049
  4. Hussein Abbas, MD, PHDInternal Medicine Physician1609220532
  5. James Abbruzzese, M.D.Medical Oncology Physician1134233224
  6. Karim Abdeldaem, MDEmergency Medicine Physician1558056200

Verify Koji Sasaki in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P9119
    Check 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
Open the Texas license search

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73% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

233 Medicare Part D claims for 51 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.

  1. Koji Sasaki233
  2. Specialty average877

Most prescribed

  1. Venclexta45 claims
  2. Idhifa20 claims
  3. Valacyclovir19 claims
  4. Posaconazole15 claims
  5. Sprycel15 claims
  6. Levofloxacin11 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): 81.4 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. Qualityout of 100 · 30% of the final score81.3
  2. Costout of 100 · 30%50.0
  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: $16,581.78

21 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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. Koji Sasaki$16,582
  2. Specialty average$7,481

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

Hematology & Oncology Physician providers in Texas

There are 922 hematology & oncology physician records in Texas.

Other hematology & oncology physician records in Texas

  1. Kanza Abbas, M.D.Houston, TX1396065934
  2. Elham Abbasi-Hafshejani, M.D.The Woodlands, TX1306856513
  3. Raghad Abdul-Karim, MDMcAllen, TX1114207172
  4. Seyed Abedi, M.D.,PH.D.Cedar Park, TX1033567409
  5. Muhammad Abid, M.D.Lubbock, TX1639480437
  6. Ambrose Aboud, MDEl Paso, TX1407843873
  7. Hesham Abowali, MDGalveston, TX1447806955
  8. Joel Abramowitz, M.D., PHDHouston, TX1447220413
  9. Hussna Abunafeesa, M.DDallas, TX1902338726
  10. Prashanth Adapala, M.D.Marble Falls, TX1740484336

Common questions

What is Koji Sasaki, M.D.'s NPI number?

Koji Sasaki, M.D.'s National Provider Identifier (NPI) is 1023318284, issued on Oct 21, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Koji Sasaki, M.D. located?

The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.

How can I verify Koji Sasaki, M.D.'s license?

NPPES lists Texas license number P9119, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Koji Sasaki, M.D. prescribe under Medicare Part D?

In 2024, Koji Sasaki, M.D. had 233 Medicare Part D claims for 51 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Koji Sasaki, M.D.'s MIPS final score?

The 2023 MIPS final score is 81.4 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.