SHION SHIRONISHI
NPI 1417673393
Nurse Practitioner - Psychiatric/Mental Health in Tamuning, GU

Active since October 13, 2022PECOS EnrolledAccepts Medicare Assignment
388 YPAO RD, TAMUNING, GU 96913(671) 864-7666 Get Directions Write a Review

NPPES record last updated: January 9, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 9, 2023, Oct 13, 2022 (2 updates tracked since 2022).

About Shion Shironishi NPPES

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

SHION SHIRONISHI (NPI 1417673393) is an individual psychiatric/mental health provider in Tamuning, Guam, licensed in Guam (NP0252) and active in the NPI registry since October 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1417673393
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameSHION SHIRONISHI
Location Address388 YPAO RDTamuning, GU 96913-3701
Mailing Address388 Ypao RdTamuning, GU 96913-3701 · (671) 864-7666
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateOctober 13, 2022
Last NPPES UpdateJanuary 9, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2023
NPI 1417673393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in GU · NP0252

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

Shion Shironishi 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 ID7012389356
PECOS Enrollment IDI20230214001656
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 6

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.

Assessment of emotional or behavioral problems 96127
Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.
91 services58 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
62 services26 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
33 services33 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
33 services14 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
20 services14 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
16 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96913 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
$92.50 typical visit price
range $60.53 – $180.05
Typical copayment $23.12 (range $15.13 – $45.01)
Most-billed visit code 99203
Established Patient
$105.65 typical visit price
range $20.09 – $147.56
Typical copayment $26.41 (range $5.02 – $36.89)
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.

General Practice
388 YPAO RD
TAMUNING, GU 96913
Nurse Practitioner (Family)
388 YPAO RD
TAMUNING, GU 96913
Physician Assistant
388 YPAO RD
TAMUNING, GU 96913
Radiology (Diagnostic Radiology)
388 YPAO RD, SDA RADIOLOGY DEPARTMENT
TAMUNING, GU 96913
Dentist (General Practice)
388 YPAO RD
TAMUNING, GU 96913
Nurse Practitioner (Family)
388 YPAO RD
TAMUNING, GU 96913
Family Medicine
388 YPAO RD
TAMUNING, GU 96913
Nurse Practitioner (Family)
388 YPAO RD
TAMUNING, GU 96913

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 Shion Shironishi's NPI number?

The NPI number for Shion Shironishi is 1417673393. It was assigned to this individual provider in the NPPES registry on October 13, 2022.

Where is Shion Shironishi located?

Shion Shironishi practices at 388 Ypao Rd, Tamuning, GU 96913. The listed phone number is (671) 864-7666.

What is Shion Shironishi's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Shion Shironishi enrolled in Medicare?

Yes. Shion Shironishi 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.

When was this NPI record last updated?

The NPPES record for Shion Shironishi was last updated on January 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.