Tsuyoshi Inoshita, M.D.
NPI 1598756363 · Hematology & Oncology Physician · Portsmouth, OH
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tsuyoshi Inoshita, M.D. is a Hematology & Oncology Physician provider in Portsmouth, OH (NPI 1598756363).
Provider details
- NPI number
- 1598756363
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 45856 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,693 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,335 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 816 | $68 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 301 | $39 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 127 | $96 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 52 | $129 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 171 | 11 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 139 | 17 |
| Anastrozole | 89 | 19 |
| Ondansetron Hcl | 81 | 40 |
| Prochlorperazine Maleate | 54 | 31 |
| Ibrutinibbrand: Imbruvica | 51 | — |
| Fentanyl | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,495 across 95 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-02
- Last updated
- 2015-05-19
Frequently asked questions
- What is Tsuyoshi Inoshita's NPI number?
- Tsuyoshi Inoshita's National Provider Identifier (NPI) is 1598756363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tsuyoshi Inoshita's specialty?
- Tsuyoshi Inoshita is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Tsuyoshi Inoshita located?
- Tsuyoshi Inoshita's practice location on file with NPPES is 916 11th St, Portsmouth, OH 45662-3411.
- What is Tsuyoshi Inoshita's phone number?
- The practice phone number listed in the NPPES registry for Tsuyoshi Inoshita is (740) 353-4884.
- Does Tsuyoshi Inoshita accept Medicare?
- Tsuyoshi Inoshita is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tsuyoshi Inoshita's NPI active?
- Yes — Tsuyoshi Inoshita's NPI (1598756363) is active in the NPPES registry as of the last update on 2015-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.