Tsuyoshi Inoshita, M.D.
Hematology & Oncology Physician · Portsmouth, OH
Tsuyoshi Inoshita, M.D. is a hematology & oncology physician with a practice address in Portsmouth, Ohio, and NPI 1598756363, issued on Nov 2, 2005. Check the license (Ohio 35.055111, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Tsuyoshi Inoshita
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 35.055111 OH
45856 KY
Self-reported in NPPES; status is on the state search - Practice location
- 916 11TH St, Portsmouth, OH 45662
- Phone
- (740) 353-4884
- Enumerated
- Nov 2, 2005
- Record last updated
- May 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (740) 353-8798
- Medicaid IDs
- 0824139 OH
64869241 KY - Medicare enrollment
- Enrolled (PECOS I20100720000063); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 513 in Ohio → Look up another NPI →
Also registered at 916 11TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gabrielle HickmanStudent in an Organized Health Care Education/Training Program1497678072
Verify Tsuyoshi Inoshita in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.055111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,464 Medicare Part D claims for 184 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 384 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen171 claims
- Hydrocodone-Acetaminophen139 claims
- Anastrozole89 claims
- Ondansetron Hcl81 claims
- Prochlorperazine Maleate54 claims
- Imbruvica51 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): 82.9 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: $2,494.97
95 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kings Daughters Medical Specialties IncWheelersburg, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tsuyoshi Inoshita among 513 hematology & oncology physician records in Ohio
Tsuyoshi Inoshita, M.D. is one of 513 hematology & oncology physician records with a practice address in Ohio. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1975 · median 2001 among the 369 with a school on file
- Record last updated2015 · 53% 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 Ohio 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 Ohio
There are 513 hematology & oncology physician records in Ohio.
All 513 in Ohio → Every provider in Portsmouth → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- John Harcha, MDPortsmouth, OH 456621639548589
- Yinong Liu, MDPortsmouth, OH 456621457357758
- Nanda Methuku, M.D.Portsmouth, OH 456621952596405
- Utpal Bhanja, MDGallipolis, OH 456311003801689
- Aqsa Khan, M.D.Gallipolis, OH 456311982136883
- Kelli Cawley, MDBelpre, OH 457141023113727
- Lowell Shinn, M.D.Belpre, OH 457141811961451
- Akaolisa Eziokwu, M.D.Chillicothe, OH 456011265884100
Common questions
What is Tsuyoshi Inoshita, M.D.'s NPI number?
Tsuyoshi Inoshita, M.D.'s National Provider Identifier (NPI) is 1598756363, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Tsuyoshi Inoshita, M.D. located?
The NPPES record lists a practice address at 916 11TH St, Portsmouth, OH, 45662. Phone: (740) 353-4884. Providers update this record themselves, so call before visiting.
How can I verify Tsuyoshi Inoshita, M.D.'s license?
NPPES lists Ohio license number 35.055111, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tsuyoshi Inoshita, M.D. prescribe under Medicare Part D?
In 2024, Tsuyoshi Inoshita, M.D. had 1,464 Medicare Part D claims for 184 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Tsuyoshi Inoshita, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.9 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.