John Itamura, MD
NPI 1164476719 · Orthopaedic Surgery Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Itamura, MD is a Orthopaedic Surgery Physician provider in Pasadena, CA (NPI 1164476719).
Provider details
- NPI number
- 1164476719
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G69735 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,924 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 548 | $101 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 456 | $40 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 388 | $69 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 305 | $49 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 236 | $138 |
| X-Ray of Upper Spine, 4-5 Views72050 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 65 | 57 |
| Celecoxib | 40 | 28 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 30 | 24 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 29 | 14 |
| Methylprednisolone | 26 | 21 |
| Diclofenac Sodium | 20 | — |
| Doxycycline Monohydrate | 20 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$93,091 across 53 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 6801 Park Ter Ste 400Los Angeles, CA 90045-9212Phone: (310) 665-7200
- 1720 Cesar Chavez AvenueLos Angeles, CA 90033Phone: (323) 307-8913Fax: (323) 881-8645
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2021-02-09
- Certified
- 2021-02-09
Frequently asked questions
- What is John Itamura's NPI number?
- John Itamura's National Provider Identifier (NPI) is 1164476719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Itamura's specialty?
- John Itamura is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Itamura located?
- John Itamura's practice location on file with NPPES is 301 N Lake Ave Ste 201, Pasadena, CA 91101-5120.
- What is John Itamura's phone number?
- The practice phone number listed in the NPPES registry for John Itamura is (626) 568-9030.
- Does John Itamura accept Medicare?
- John Itamura is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Itamura's NPI active?
- Yes — John Itamura's NPI (1164476719) is active in the NPPES registry as of the last update on 2021-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.