Doctor profile · Federal record

Dr. Michael Nagoshi, M.D.

Internal Medicine Physician · Honolulu, HI

  • NPI 1407945116
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
321 N Kuakini St, Suite #201
Honolulu, HI 968172364
(808) 523-8611

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Hawaii #MD-5504
Medicaid
HI #02191101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407945116. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,026
Distinct HCPCS
4
Medicare allowed
$110,492
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 671 317 $96
99214 Established patient office or other outpatient visit, 30-39 minutes 307 224 $135
99497 Advance care planning, first 30 minutes 33 33 $86
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 15 15 $138

In context: peer comparison

Among 114 peers in Honolulu Internal Medicine Physician, average services per provider: 127. This provider delivers 8.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,203
Patients
949
Total drug cost
$75,612
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 625 187 $26,306
Amlodipine Besylate Generic 497 148 $8,655
Lisinopril Generic 445 132 $4,756
Losartan Potassium Generic 238 67 $9,268
Metformin Hcl Generic 226 65 $3,847
Simvastatin Generic 181 51 $3,963
Levothyroxine Sodium Generic 160 43 $2,941
Metoprolol Succinate Generic 138 37 $4,046
Omeprazole Generic 138 45 $2,715
Hydrochlorothiazide Generic 122 34 $925

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Nagoshi's medical specialty?
Dr. Michael Nagoshi practices Internal Medicine Physician in Honolulu, HI.
Where does Dr. Michael Nagoshi practice?
Dr. Michael Nagoshi practices at 321 N Kuakini St, Honolulu, HI 968172364. Office phone: 8085238611.
What is Dr. Michael Nagoshi's NPI?
Dr. Michael Nagoshi's National Provider Identifier (NPI) is 1407945116, issued by NPPES.
What procedures does Dr. Michael Nagoshi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.