Tatsuya Oishi, M.D.
NPI 1447645668 · Neurology Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tatsuya Oishi, M.D. is a Neurology Physician provider in Rochester, MN (NPI 1447645668).
Provider details
- NPI number
- 1447645668
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 60850 (MN)
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 tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,006 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Continuous Intraoperative Neurophysiology Monitoring, From Outside the Operating Room (remote Or Nearby), Per Patient, (attention Directed Exclusively to One Patient) Each 15 Minutes (list in Addition to Primary Procedure)G0453 | 1,232 | $32 |
| Placement of Skin Electrodes and Measurement of Stimulated Sites on Arms and Legs95938 | 121 | $45 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 115 | $97 |
| Needle Measurement of Electrical Activity in Arm, Leg, Trunk Or Head Muscles, Limited Study95870 | 114 | $20 |
| Placement of Skin Electrodes and Measurement of Central Motor Stimulation in Arms and Legs95939 | 112 | $116 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Limited Study |
Practice location
Mailing address
Additional practice locations (1)
- 2160 S. First AveLoyola University Medical CenterMaywood, IL 60153Phone: (708) 216-5620
Registry dates
- Enumerated
- 2015-04-03
- Last updated
- 2021-02-01
- Certified
- 2021-02-01
Frequently asked questions
- What is Tatsuya Oishi's NPI number?
- Tatsuya Oishi's National Provider Identifier (NPI) is 1447645668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tatsuya Oishi's specialty?
- Tatsuya Oishi is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Tatsuya Oishi located?
- Tatsuya Oishi's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Tatsuya Oishi's phone number?
- The practice phone number listed in the NPPES registry for Tatsuya Oishi is (507) 284-2511.
- Does Tatsuya Oishi accept Medicare?
- Tatsuya Oishi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tatsuya Oishi's NPI active?
- Yes — Tatsuya Oishi's NPI (1447645668) is active in the NPPES registry as of the last update on 2021-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.