Doctor profile · Federal record

Dr. John Itamura, MD

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

  • NPI 1164476719
  • Accepts Medicare
  • MIPS 88.0 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
301 N Lake Ave Ste 201
Pasadena, CA 911015120
(626) 568-9030
Additional location
1720 Cesar Chavez Avenue
Los Angeles, CA 90033
(323) 307-8913
fax (323) 881-8645
Additional location
6801 Park Ter Ste 400
Los Angeles, CA 900459212
(310) 665-7200
Mailing address
6801 Park Ter
Los Angeles, CA 900451543

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 9, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
California #G69735
Medicaid
CA #00G697350

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164476719. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,991
Distinct HCPCS
10
Medicare allowed
$340,836
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 637 433 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 526 351 $71
20610 Aspiration and/or injection of fluid from large joint 317 103 $51
99204 New patient office or other outpatient visit, 45-59 minutes 293 293 $143
23472 Prosthetic repair of shoulder joint, total shoulder 77 76 $1,525
99215 Established patient office or other outpatient visit, 40-54 minutes 44 43 $148
20605 Aspiration and/or injection of fluid from medium joint 43 20 $39
23474 Revision of total shoulder repair, total shoulder 20 18 $1,784
99203 New patient office or other outpatient visit, 30-44 minutes 20 20 $88
29827 Repair of shoulder rotator cuff using an endoscope 14 14 $1,169

In context: peer comparison

Among 2 peers in Pasadena Orthopaedic Surgery Physician, average services per provider: 334. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$93,091
Transactions
53
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Shoulder Innovations, INC. 18 $71,218.89
Acumed LLC 8 $8,972.52
Encore Medical, Lp 5 $7,413.33
G21 Srl 1 $2,100.00
Genesis Software Innovations, LLC 1 $1,253.04
Restor3D, INC. 2 $973.40
Stryker Corporation 4 $363.34
Smith+Nephew, INC. 5 $310.01
Becton, Dickinson and Company 1 $129.63
Zimmer Biomet Holdings, INC. 2 $111.04
Saxum Surgical, INC. 1 $81.54
Baxter Healthcare 1 $59.79
Biotissue Holdings INC. 2 $44.31
DePuy Synthes Sales INC. 1 $33.00
Arthrex, INC. 1 $27.45

By nature of payment

Royalty or License
$63,705
Consulting Fee
$10,323
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$8,800
Travel and Lodging
$8,040
Food and Beverage
$2,222

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
246
Patients
172
Total drug cost
$3,271
Drug Type Claims Patients Total cost
Amoxicillin Generic 61 52 $262
Celecoxib Generic 36 22 $1,170
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 30 23 $230
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 21 17 $217
Tramadol Hcl Generic 19 15 $115
Diclofenac Sodium Generic 18 0 $414
Tramadol Hcl-Acetaminophen (Tramadol Hcl/Acetaminophen) Brand 17 15 $155
Cephalexin Generic 16 16 $137
Doxycycline Hyclate Generic 14 12 $508
Meloxicam Generic 14 0 $61

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Itamura's medical specialty?
Dr. John Itamura practices Orthopaedic Surgery Physician in Pasadena, CA.
Where does Dr. John Itamura practice?
Dr. John Itamura practices at 301 N Lake Ave Ste 201, Pasadena, CA 911015120. Office phone: 6265689030.
What is Dr. John Itamura's NPI?
Dr. John Itamura's National Provider Identifier (NPI) is 1164476719, issued by NPPES.
Does Dr. John Itamura accept Medicare assignment?
Yes. Dr. John Itamura accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Itamura 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); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.