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Edit this profileAt a glance
- 341 Magnolia Ave, Ste 101, Corona, CA 92879
About Dr. Locke
John S. Locke, M.D. is a healthcare provider in Corona, CA specializing in orthopedic surgery. John is also listed as specializing in orthopaedic surgery. Medicare claims data shows John provided 266 services to 149 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and repair of inside and outside knee joint cartilage using an endoscope. This provider record is associated with NPI 1467520189.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (951) 735-6060
- Email not available
Practice Locations
341 MAGNOLIA AVE STE 101
Corona, CA 92879
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
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
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
266 services · 149 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Repair of inside and outside knee joint cartilage using an endoscope | Procedure | 29883 |
12 | Too few peers to compare |
| Removal of knee cartilage using an endoscope | Procedure | 29881 |
12 | Less often than most peers in Orthopedic Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
186 | More often than most peers in Orthopedic Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
56 | More often than most peers in Orthopedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopedic surgeons at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 20 related providers in 3 groups
Other orthopedic surgeons in Corona 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does John S. Locke specialize in?
John S. Locke is an orthopedic surgeon in Corona, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
Where is John S. Locke located?
John S. Locke is listed at 341 Magnolia Ave Ste 101, Corona, CA 92879. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John S. Locke's phone number?
The number on file is (951) 735-6060. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John S. Locke?
John S. Locke's National Provider Identifier is 1467520189. 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
Where did John S. Locke train?
John S. Locke attended Other, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John S. Locke have?
John S. Locke has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does John S. Locke do most often?
According to Medicare billing data, John S. Locke performs procedures including repair of inside and outside knee joint cartilage using an endoscope and removal of knee cartilage using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John S. Locke's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John S. Locke. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.