Doctor profile · Federal record

Dr. Keolanui Chun, MD

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Riverside, CA

  • NPI 1578507463
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6405 Day St
Riverside, CA 925070901
(951) 697-5612
fax (951) 697-5475
Additional location
4444 Magnolia Avenue
Riverside, CA 925014136
(951) 682-5661
fax (951) 686-3758

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
April 11, 2025
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
California #G77291
Medicaid
CA #ZZZ75817Z

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578507463. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
217
Distinct HCPCS
4
Medicare allowed
$27,281
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 84 70 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 74 53 $94
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 41 27 $148
99215 Established patient office or other outpatient visit, 40-54 minutes 18 17 $185

In context: peer comparison

Among 7 peers in Riverside Orthopaedic Surgery Physician, average services per provider: 176. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,405
Transactions
11
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Cerapedics INC. 8 $1,329.35
DePuy Synthes Sales INC. 1 $31.03
Globus Medical, INC. 1 $28.77
Bioventus LLC 1 $16.00

By nature of payment

Travel and Lodging
$796
Food and Beverage
$609

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
351
Patients
158
Total drug cost
$4,640
Drug Type Claims Patients Total cost
Ibuprofen Generic 61 20 $697
Amitriptyline Hcl Generic 56 20 $371
Methylprednisolone Generic 51 36 $369
Gabapentin Generic 50 21 $343
Celecoxib Generic 40 0 $680
Tramadol Hcl Generic 34 25 $100
Calcitonin-Salmon (Calcitonin,Salmon,Synthetic) Brand 30 11 $1,729
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 29 25 $351

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Keolanui Chun's medical specialty?
Dr. Keolanui Chun practices Orthopaedic Surgery Physician in Riverside, CA.
Where does Dr. Keolanui Chun practice?
Dr. Keolanui Chun practices at 6405 Day St, Riverside, CA 925070901. Office phone: 9516975612.
What is Dr. Keolanui Chun's NPI?
Dr. Keolanui Chun's National Provider Identifier (NPI) is 1578507463, issued by NPPES.
Does Dr. Keolanui Chun accept Medicare assignment?
Yes. Dr. Keolanui Chun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Keolanui Chun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (HCPCS 64483). Source: CMS Medicare Physician & Other Practitioners file.