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- 9350 Campus Point Dr, La Jolla, CA 92037
About Dr. Middleton
Gregory D. Middleton, MD is a healthcare provider in La Jolla, CA specializing in rheumatology. Gregory trained at Boston University School of Medicine, graduating in 1989. According to Medicare claims data, Gregory cared for 1,596 Medicare patients across 2,486 services. The services billed most often include aspiration and/or injection of fluid from large joint, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and injection, triamcinolone acetonide, not otherwise specified, 10 mg. This provider record is associated with NPI 1104891290.
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
- (858) 657-8200
- Email not available
Practice Locations
9350 CAMPUS POINT DR
La Jolla, CA 92037
Conditions Commonly Evaluated or Treated
Within Rheumatology 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
Wellness and energy
Most searched conditions
Autoimmune
- Antiphospholipid Syndrome
- Behçet's Disease
- Dermatomyositis
- Dry Eyes and Mouth
- Granulomatosis with Polyangiitis
- IgA Vasculitis
- IgG4-Related Disease
- Inflammatory myopathy
- Lupus Butterfly Rash
- Positive ANA Blood Test
- Relapsing Polychondritis
Bone
Bone Health
Connective Tissue
- Hypermobility Syndrome
- Mixed Connective Tissue Disease
- Scleroderma skin disease
- Undifferentiated Connective Tissue Disease
Genetic & Connective Tissue
Inflammatory
Joints
- Baker's Cyst
- Chronic Joint Pain
- Enteropathic Arthritis
- Juvenile Idiopathic Arthritis
- Morning Joint Stiffness
- Palindromic Rheumatism
- Pseudogout
- Reactive Arthritis
- Swollen Fingers or Toes
- Swollen Joints
Nerve & Tendon
Skin & Soft Tissue
Skin & Vascular
Soft Tissue
Spine & Back
Vascular
Procedures & services
Most searched procedures
Consultation
Consultations
Diagnostics & Injections
- Baker's Cyst Aspiration
- Bursa injection
- Carpal tunnel steroid injection
- Joint injection or aspiration
- Knee Joint Injection
- Nailfold Capillaroscopy
- Sacroiliac joint injection
- Salivary Gland Biopsy
- Tendon Sheath Injection
Education & Support
Imaging
Injections
- Ankle Joint Injection
- Finger Joint Injections
- Shoulder Cortisone Injection
- Ultrasound-guided hip injection
- Wrist Cortisone Injection
Lab & Diagnostics
- ANCA Blood Test
- Anti-CCP Antibody Test
- HLA-B27 Genetic Test
- Inflammation Blood Tests
- Joint Fluid Analysis
- Lupus Skin Biopsy
- Myositis Antibody Panel
- Rheumatoid Factor Blood Test
Lab Work
Medication Management
- Biologic medication management
- DMARD Medication Management
- Gout Flare Treatment Plan
- Immunosuppressant Drug Monitoring
- Prolia Injection for Osteoporosis
- Reclast Infusion for Osteoporosis
- Steroid Taper Management
Pain Relief
Regenerative Medicine
Procedures Most Often Billed to Medicare
2,486 services · 1,596 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
767 | More than most peers in Rheumatology |
| Injection into tendon or ligament | Procedure | 20550 |
95 | More often than most peers in Rheumatology |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
90 | More than most peers in Rheumatology |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
27 | As often as other peers in Rheumatology |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
336 | More often than most peers in Rheumatology |
| Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose | Drug given | J7321 |
50 | Less often than most peers in Rheumatology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
360 | More than most peers in Rheumatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
285 | More often than most peers in Rheumatology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
145 | More often than most peers in Rheumatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
107 | Less often than most peers in Rheumatology |
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 rheumatologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 31 related providers in 4 groups
Other rheumatologists in La Jolla 7
Same specialty, same city.
Trained at Boston University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Boston 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 kind of doctor is Dr. Middleton?
Dr. Middleton is a rheumatologist in La Jolla, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
What is Dr. Middleton's address?
Dr. Middleton is listed at 9350 Campus Point Dr, La Jolla, CA 92037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Middleton?
The number on file is (858) 657-8200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Middleton's NPI number?
Dr. Middleton's National Provider Identifier is 1104891290. 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 Dr. Middleton train?
Dr. Middleton attended Boston University School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Middleton been practicing?
Dr. Middleton has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Middleton perform?
According to Medicare billing data, Dr. Middleton 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, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Middleton confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Middleton. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.