DR. TATSUYA OISHI M.D.
NPI 1447645668
Psychiatry & Neurology - Neurology in Rochester, MN

Active since April 03, 2015PECOS EnrolledAccepts Medicare Assignment
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: February 1, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 1, 2021, Oct 28, 2020, Feb 3, 2016 (3 updates tracked since 2016).

About Dr. Tatsuya Oishi M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. TATSUYA OISHI M.D. (NPI 1447645668) is an individual neurology provider in Rochester, Minnesota, licensed in Minnesota (60850) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1447645668
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. TATSUYA OISHICredential: M.D.
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateApril 3, 2015
Last NPPES UpdateFebruary 1, 20213 updates tracked since enumeration
NPPES CertifiedFebruary 1, 2021
NPI 1447645668 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in MN · 60850
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedInternal MedicineTaxonomy 207R00000X · License 125066474 (IL)
200 1ST ST SW, Rochester, MN 55905

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Tatsuya Oishi M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577864131
PECOS Enrollment IDI20160726000362
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

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
Continuous intraoperative neurophysiology monitoring is a service where a specialist oversees your nervous system's function during surgery, from a nearby or remote location. This is done every 15 minutes and is focused solely on you. It helps ensure surgical safety by identifying any potential nervous system changes promptly.
1,232 services90 patients
Placement of skin electrodes and measurement of stimulated sites on arms and legs 95938
This procedure involves placing small pads (electrodes) on your arms and legs. These electrodes send gentle electric signals to specific areas, and the responses are measured. This helps assess the health of your nerves and muscles.
121 services113 patients
Needle measurement of electrical activity in arm or leg muscles, complete study 95886
This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.
115 services99 patients
Needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study 95870
This procedure, known as an electromyography (EMG), involves using a needle to measure electrical activity in your muscles. It can help diagnose conditions affecting nerves or muscles. It's a limited study, meaning only specific muscles in the arm, leg, trunk, or head are examined.
114 services55 patients
Placement of skin electrodes and measurement of central motor stimulation in arms and legs 95939
This procedure involves placing small patches (electrodes) on your skin over your arms and legs. These electrodes send harmless electrical signals to your muscles. The response is measured to assess the health and function of your nerves and muscles.
112 services104 patients
Needle measurement of electrical activity in arm or leg muscles, limited study 95885
This procedure, known as an electromyography (EMG), involves placing tiny needles into your arm or leg muscles to measure their electrical activity. It's a limited study, meaning only specific muscles are tested. This helps identify any muscle or nerve dysfunction.
90 services64 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
200 1ST ST SW
ROCHESTER, MN 55905
Pathology (Clinical Pathology/Laboratory Medicine)
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Optometrist
200 1ST ST SW
ROCHESTER, MN 55905
Psychologist
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Anesthetist, Certified Registered
200 1ST ST SW
ROCHESTER, MN 55905
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 1ST ST SW
ROCHESTER, MN 55905

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tatsuya Oishi's NPI number?

The NPI number for Tatsuya Oishi is 1447645668. It was assigned to this individual provider in the NPPES registry on April 3, 2015.

Where is Tatsuya Oishi located?

Tatsuya Oishi practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is Tatsuya Oishi's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Tatsuya Oishi enrolled in Medicare?

Yes. Tatsuya Oishi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Tatsuya Oishi accept?

Health plans from Medica list Tatsuya Oishi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Tatsuya Oishi affiliated with any hospitals?

According to CMS data, Tatsuya Oishi is affiliated with Mayo Clinic Hospital Rochester.

When was this NPI record last updated?

The NPPES record for Tatsuya Oishi was last updated on February 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.