Doctor profile · Federal record

Dr. Calvin Oishi, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Aiea, HI

  • NPI 1194776880
  • Accepts Medicare
  • MIPS 92.1 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
98-1247 Kaahumanu Street, Suite 203
Aiea, HI 96701
(808) 484-2042
fax (808) 487-8324

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
September 25, 2020
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Hawaii #MD7926
Medicaid (2)
HI #03655203 · HI #03655204

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194776880. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,532
Distinct HCPCS
10
Medicare allowed
$337,135
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 1,601 566 $60
73560 X-ray of knee, 1-2 views 852 270 $38
73502 X-ray of hip, 2-3 views 255 106 $53
73030 X-ray of shoulder, minimum of 2 views 176 78 $38
99202 New patient office or other outpatient visit, 15-29 minutes 150 150 $76
73562 X-ray of knee, 3 views 138 119 $45
73521 X-ray of both hips, 2 views 65 41 $47
29807 Repair of shoulder socket using an endoscope 45 45 $1,063
29880 Removal of both knee cartilages using an endoscope 35 35 $166
27447 Replacement of knee joint, both sides of knee 34 33 $1,294

In context: peer comparison

Among 4 peers in Aiea Orthopaedic Surgery Physician, average services per provider: 114. This provider delivers 31× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$26
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Smith+Nephew, INC. 1 $25.88

By nature of payment

Food and Beverage
$26

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
813
Patients
608
Total drug cost
$9,284
Drug Type Claims Patients Total cost
Amoxicillin Generic 154 90 $325
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 144 140 $1,390
Meloxicam Generic 135 106 $693
Ondansetron Hcl Generic 113 111 $968
Celecoxib Generic 72 56 $2,626
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 48 30 $1,855
Tramadol Hcl Generic 37 23 $280
Ibuprofen Generic 28 20 $335
Clindamycin Hcl Generic 24 18 $115
Gabapentin Generic 18 14 $87

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Calvin Oishi's medical specialty?
Dr. Calvin Oishi practices Orthopaedic Surgery Physician in Aiea, HI.
Where does Dr. Calvin Oishi practice?
Dr. Calvin Oishi practices at 98-1247 Kaahumanu Street, Aiea, HI 96701. Office phone: 8084842042.
What is Dr. Calvin Oishi's NPI?
Dr. Calvin Oishi's National Provider Identifier (NPI) is 1194776880, issued by NPPES.
Does Dr. Calvin Oishi accept Medicare assignment?
Yes. Dr. Calvin Oishi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Calvin Oishi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); X-ray of knee, 1-2 views (HCPCS 73560); X-ray of hip, 2-3 views (HCPCS 73502). Source: CMS Medicare Physician & Other Practitioners file.