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Edit this profileAt a glance
- 800 S Raymond Ave, Pasadena, CA 91105
About Dr. Adamson
Gregory J. Adamson, M.D. practices orthopaedic sports medicine in Pasadena, CA. Gregory is a 1981 graduate of University of Southern California Keck School of Medicine. Gregory is also listed as specializing in orthopaedic surgery. According to Medicare claims data, Gregory cared for 892 Medicare patients across 1,198 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and x-ray of shoulder, minimum of 2 views. The provider's National Provider Identifier (NPI) is 1972590610.
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
- (626) 795-8051
- Email not available
Practice Locations
800 S RAYMOND AVE
Pasadena, CA 91105
Conditions Commonly Evaluated or Treated
Within Orthopedic Sports Medicine 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
Ankle & Foot
- Heel Spurs
- High Ankle Sprain
- Peroneal Tendon Subluxation
Bone
- Bone Bruise
Bone & Joint
Core & Hip
Elbow
- Elbow Ligament Tear
- Golfer's elbow
- Little League Elbow
- Tennis elbow
Foot & Ankle
Hand & Wrist
- Torn Thumb Ligament
- Wrist Fractures and Sprains
Head & Spine
Hip
Hip & Groin
- Hip Pointer
- Snapping Hip Syndrome
- Sports Hernia
Joint
- Hip Pain and Tightness
- Loose cartilage in joint
Joints
Knee
- Baker's Cyst
- Chondromalacia
- Jumper's knee
- Knee collateral ligament injury
- Patellar instability and dislocation
- Patellofemoral pain syndrome
- PCL tear
- Plica Syndrome
- Water On The Knee
Knee & Hip
Leg
- Acute Leg Compartment Syndrome
- Hamstring Pull
- Shin Splints
Muscle & Tendon
Pediatric & Teen Sports
- Little league shoulder
- Osgood-Schlatter Disease
- Sever's Disease
Shoulder
- Broken collarbone
- Clavicle pain
- Dead arm syndrome
- Frozen shoulder
- Separated Shoulder
- Shoulder impingement
- Shoulder instability and dislocation
- Shoulder Labrum Tear
Shoulder & Arm
- Torn bicep
Spine & Back
Procedures & services
Most searched procedures
Diagnostics
- Compartment Pressure Testing
Evaluation
- Concussion evaluation
- Return to sport testing
- Running Gait Analysis
- Sports physical
Injections
- Bone Marrow Aspirate Injection
- Joint injection or aspiration
- Knee Joint Injection
- Knee Joint Injections
- Trigger-point injection
- Ultrasound-guided injection
Non-Surgical Treatment
- Custom orthotics
- Dry needling
- Shockwave Therapy
- Tenex Procedure
Procedures
Regenerative Medicine
Surgery
- Ankle arthroscopy
- Ankle Ligament Surgery
- Bicep tendon repair
- Bursa Removal
- Cartilage restoration
- Collarbone fracture surgery
- Elbow Scope
- Exertional compartment syndrome release
- Hamstring repair surgery
- High Ankle Sprain Surgery
- Hip arthroscopy
- Hip labrum repair
- Knee arthroscopy
- Kneecap Stabilization Surgery
- MCL repair
- Meniscus repair
- Microfracture Knee Surgery
- Open reduction and internal fixation
- PCL Reconstruction
- Peroneal Tendon Repair
- Rotator cuff repair
- Separated shoulder surgery
- Shoulder arthroscopy
- Shoulder labrum repair
- Shoulder replacement
- Shoulder stabilization surgery
- Sports hernia surgery
- Stiff Big Toe Surgery
- Tennis Elbow Surgery
- Thumb Ligament Repair
Therapy & Devices
Procedures Most Often Billed to Medicare
1,198 services · 892 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
97 | As often as other peers in Orthopaedic Sports Medicine |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
139 | More often than most peers in Orthopaedic Sports Medicine |
| X-ray of knee, 1-2 views | Imaging | 73560 |
113 | More often than most peers in Orthopaedic Sports Medicine |
| X-ray of both knees while standing | Imaging | 73565 |
86 | More often than most peers in Orthopaedic Sports Medicine |
| X-ray of knee, 3 views | Imaging | 73562 |
49 | As often as other peers in Orthopaedic Sports Medicine |
| X-ray of both collar bones joints | Imaging | 73050 |
32 | Too few peers to compare |
| X-ray of elbow, minimum of 3 views | Imaging | 73080 |
15 | Less often than most peers in Orthopaedic Sports Medicine |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
121 | Less often than most peers in Orthopaedic Sports Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
238 | More often than most peers in Orthopaedic Sports Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
213 | More often than most peers in Orthopaedic Sports Medicine |
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 orthopaedic sports medicines at this location 2
Same specialty, same street address — most likely the same department or group.
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.
Other orthopaedic sports medicines in Pasadena 3
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Southern California Keck School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1981 at University of Southern California Keck 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 does Gregory J. Adamson specialize in?
Gregory J. Adamson is an orthopaedic sports medicine in Pasadena, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Gregory J. Adamson located?
Gregory J. Adamson is listed at 800 S Raymond Ave, Pasadena, CA 91105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gregory J. Adamson's phone number?
The number on file is (626) 795-8051. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gregory J. Adamson's NPI number?
Gregory J. Adamson's National Provider Identifier is 1972590610. 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 Gregory J. Adamson train?
Gregory J. Adamson attended University of Southern California Keck School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregory J. Adamson been practicing?
Gregory J. Adamson has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What does Gregory J. Adamson do most often?
According to Medicare billing data, Gregory J. Adamson performs procedures including aspiration and/or injection of fluid from large joint; reads or performs imaging such as x-ray of shoulder, minimum of 2 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
Has Gregory J. Adamson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory J. Adamson. If this is you, claiming it is free.
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