Physician Profile
Ghassan S. Tooma, MD
Unclaimed ProfileAbout Dr. Tooma
Ghassan S. Tooma, MD practices orthopedic surgery in Corona, CA. Ghassan is a 1987 graduate of Loma Linda University School of Medicine. Ghassan is also listed as specializing in orthopaedic surgery. Medicare claims data shows Ghassan provided 2,658 services to 696 patients. The services billed most often include hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg, injection, triamcinolone acetonide, not otherwise specified, 10 mg, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1629089073.
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
28078 Baxter Rd # 330-340
Murrieta, CA 92563
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
2,658 services · 696 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
135 | As often as other peers in Orthopedic Surgery |
| Injection into tendon or ligament | Procedure | 20550 |
50 | More often than most peers in Orthopedic Surgery |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
29 | As often as other peers in Orthopedic Surgery |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
22 | Less often than most peers in Orthopedic Surgery |
| Release and/or relocation of hand nerve | Procedure | 64721 |
21 | As often as other peers in Orthopedic Surgery |
| Incision of tendon covering of finger | Procedure | 26055 |
17 | Less often than most peers in Orthopedic Surgery |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
42 | More often than most peers in Orthopedic Surgery |
| X-ray of knee, 1-2 views | Imaging | 73560 |
31 | As often as other peers in Orthopedic Surgery |
| X-ray of knee, 3 views | Imaging | 73562 |
24 | Less often than most peers in Orthopedic Surgery |
| X-ray of hip, 2-3 views | Imaging | 73502 |
22 | Less 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 — 28 related providers in 4 groups
Other orthopedic surgeons in Corona 4
Same specialty, same city.
Trained at Loma Linda University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Loma Linda University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Tooma's specialty?
Dr. Tooma 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 can I find Dr. Tooma?
Dr. Tooma 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
How do I contact Dr. Tooma?
The number on file is (951) 735-6060. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Tooma?
Dr. Tooma's National Provider Identifier is 1629089073. 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
What is Dr. Tooma's medical education?
Dr. Tooma attended Loma Linda University School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Tooma have?
Dr. Tooma has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Tooma known for?
According to Medicare billing data, Dr. Tooma performs procedures including aspiration and/or injection of fluid from large joint, injection into tendon or ligament and aspiration and/or injection of fluid from small joint; reads or performs imaging such as x-ray of hand, minimum of 3 views 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
Is Dr. Tooma's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tooma. If this is you, claiming it is free.
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