John M. Itamura, MD
NPI 1164476719ActiveIndividual· Orthopaedic Surgery· Pasadena, CA
Orthopaedic Surgery (MD) with Cedars-Sinai Medical Care Foundation, practicing in Pasadena, California. 918 Medicare patients in 2024, $387,741 paid; nearly all of their 411 Part D prescriptions were generic (98%). Shoulder Innovations, Inc. was the largest of 13 companies reporting payments in 2025, $221,961 in all, mostly royalties and licenses. Lists Cedars-Sinai Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1164476719 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 19, 2006 |
| Last updated in NPPES | Feb 9, 2021 |
| Certified by provider | Feb 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G69735 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 918 |
|---|---|
| Services billed | 3,880 across 94 procedure codes |
| Paid by Medicare | $387,741 |
Part D prescriptions in 2024
| Prescriptions (claims) | 411 · 421 30-day fills |
|---|---|
| Patients | 205 |
| Total drug cost | $26,196 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA · 1,692 clinicians
Hospital affiliations
- Cedars-Sinai Medical CenterLos Angeles, CA
- Glendale Adventist Medical CenterGlendale, CA
- Goleta Valley Cottage HospitalSanta Barbara, CA
- Henry Mayo Newhall HospitalValencia, CA
- Huntington HospitalPasadena, CA
Other facilities
- Cherub Home Health, IncHome health agency · Encino, CA
- Credo Home Health Services IncHome health agency · Glendale, CA
- Secure Home Health Services, IncHome health agency · Van Nuys, CA
Industry payments (Open Payments)
- 2025$221,961 · 81 payments from 13 companies
- 2024$93,091 · 53 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shoulder Innovations, Inc. | $203,565 | 42 |
| Encore Medical, LP | $9,969 | 2 |
| Genesis Software Innovations, LLC | $5,454 | 2 |
| Stryker Corporation | $1,941 | 17 |
| Arthrex, Inc. | $336.64 | 4 |
What the 2025 payments were for
- Royalty or License$121,694 · 6 payments
- Consulting Fee$79,194 · 7 payments
- Travel and Lodging$8,435 · 10 payments
- Charitable Contribution$6,282 · 1 payment
- Food and Beverage$4,475 · 51 payments
- Education$1,156 · 1 payment
- Gift$725.12 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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