Doctor profile · Federal record

Dr. Chad Iwashita, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Honolulu, HI

  • NPI 1891908646
  • Accepts Medicare
  • MIPS 92.1 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
321 N Kuakini St, Suite 306
Honolulu, HI 968172360
(808) 545-1557
fax (808) 545-5743

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
July 14, 2011
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Hawaii #MD15119
Medicaid
HI #00642513

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891908646. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
41
Distinct HCPCS
1
Medicare allowed
$4,537
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 41 41 $111

In context: peer comparison

Among 43 peers in this city , average services per provider: 29. This provider delivers 1.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chad Iwashita's medical specialty?
Dr. Chad Iwashita practices Anesthesiology Physician in Honolulu, HI.
Where does Dr. Chad Iwashita practice?
Dr. Chad Iwashita practices at 321 N Kuakini St, Honolulu, HI 968172360. Office phone: 8085451557.
What is Dr. Chad Iwashita's NPI?
Dr. Chad Iwashita's National Provider Identifier (NPI) is 1891908646, issued by NPPES.
Does Dr. Chad Iwashita accept Medicare assignment?
Yes. Dr. Chad Iwashita accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chad Iwashita commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.