Doctor profile · Federal record

Dr. Shion Shironishi

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Tamuning, GU

  • NPI 1417673393
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
388 Ypao RD
Tamuning, GU 969133701
(671) 864-7666

Credentials & registration

NPPES · NUCC
NPI registered
October 2022 — 4 yrs on file
Profile last updated
January 9, 2023
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Guam #NP0252

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417673393. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
178
Distinct HCPCS
4
Medicare allowed
$13,757
HCPCS Description Services Patients Avg allowed
96127 Assessment of emotional or behavioral problems 70 47 $5
90837 Psychotherapy, 1 hour 52 21 $124
99215 Established patient office or other outpatient visit, 40-54 minutes 33 33 $154
99213 Established patient office or other outpatient visit, 20-29 minutes 23 13 $80

In context: peer comparison

Among 1 peers in Tamuning Psychiatric/Mental Health Nurse Practitioner, average services per provider: 44. This provider delivers 4.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Shion Shironishi's medical specialty?
Dr. Shion Shironishi practices Psychiatric/Mental Health Nurse Practitioner in Tamuning, GU.
Where does Dr. Shion Shironishi practice?
Dr. Shion Shironishi practices at 388 Ypao RD, Tamuning, GU 969133701. Office phone: 6718647666.
What is Dr. Shion Shironishi's NPI?
Dr. Shion Shironishi's National Provider Identifier (NPI) is 1417673393, issued by NPPES.
Does Dr. Shion Shironishi accept Medicare assignment?
Yes. Dr. Shion Shironishi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shion Shironishi commonly perform?
Top Medicare-reported procedures in 2023: Assessment of emotional or behavioral problems (HCPCS 96127); Psychotherapy (HCPCS 90837); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.