Shinya Unai, M.D.
NPI 1831444884 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shinya Unai, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Cleveland, OH (NPI 1831444884).
Provider details
- NPI number
- 1831444884
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35.125876 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
619 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 86 | $171 |
| Replacement of Aortic Valve on Heart-Lung Machine33405 | 67 | $1,299 |
| Repair of Tricuspid Valve With Ring Insertion33464 | 65 | $1,468 |
| Harvest of Vein Using an Endoscope33508 | 55 | $15 |
| Replacement of Mitral Valve on Heart-Lung Machine33430 | 53 | $2,475 |
| Coronary Artery Bypass Or Valve Procedure Reoperation More Than 1 Month After Original Operation33530 | 46 | $495 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$12,910 across 40 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
- 2012-07-16
- Last updated
- 2015-06-29
Frequently asked questions
- What is Shinya Unai's NPI number?
- Shinya Unai's National Provider Identifier (NPI) is 1831444884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shinya Unai's specialty?
- Shinya Unai is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Shinya Unai located?
- Shinya Unai's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.
- What is Shinya Unai's phone number?
- The practice phone number listed in the NPPES registry for Shinya Unai is (216) 444-5690.
- Does Shinya Unai accept Medicare?
- Shinya Unai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shinya Unai's NPI active?
- Yes — Shinya Unai's NPI (1831444884) is active in the NPPES registry as of the last update on 2015-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.