Physician Profile
Steven Shimoyama, M.D. is a healthcare provider in Marina Del Rey, CA specializing in orthopaedic surgery. Steven trained at University of Southern California Keck School of Medicine, graduating in 1981. Medicare claims data shows Steven provided 10,557 services to 4,070 patients. The services billed most often include injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg, aspiration and/or injection of fluid from large joint, and x-ray of hip, 1 view.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4644 LINCOLN BLVD SUITE 414
Marina Del Rey, CA 90292
Within Orthopedic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
10,557 services · 4,070 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
2,216 | More than most peers in Orthopaedic Surgery |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | Procedure | 64483 |
448 | More than most peers in Orthopaedic Surgery |
| Injection of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidance, single level | Procedure | 64479 |
279 | Too few peers to compare |
| X-ray of hip, 1 view | Imaging | 73501 |
798 | More than most peers in Orthopaedic Surgery |
| X-ray of knee, 1-2 views | Imaging | 73560 |
394 | More than most peers in Orthopaedic Surgery |
| X-ray of shoulder, 1 view | Imaging | 73020 |
309 | More than most peers in Orthopaedic Surgery |
| X-ray of middle spine, 2 views | Imaging | 72070 |
269 | More than most peers in Orthopaedic Surgery |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
253 | More than most peers in Orthopaedic Surgery |
| X-ray of upper spine, 4-5 views | Imaging | 72050 |
193 | More than most peers in Orthopaedic Surgery |
| X-ray of wrist, 2 views | Imaging | 73100 |
160 | More than most peers in Orthopaedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Steven Shimoyama is an orthopaedic surgeon in Marina Del Rey, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Steven Shimoyama is listed at 4644 Lincoln Blvd Suite 414, Marina Del Rey, CA 90292. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (310) 821-5723. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Steven Shimoyama's National Provider Identifier is 1386663615. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Steven Shimoyama attended University of Southern California Keck School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
Steven Shimoyama has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Steven Shimoyama performs procedures including aspiration and/or injection of fluid from large joint, injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level and injection of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidance, single level; reads or performs imaging such as x-ray of hip, 1 view and x-ray of knee, 1-2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Steven Shimoyama. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.