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Edit this profileAt a glance
- 450 Sutter St Rm 910, San Francisco, CA 94108
About Dr. Diao
Based in San Francisco, CA, Edward Diao, MD is listed in the NPI registry under orthopaedic surgery. Edward graduated from Columbia University College of Physicians and Surgeons in 1981. Edward is also listed as specializing in orthopaedic hand surgery. According to Medicare claims data, Edward cared for 305 Medicare patients across 460 services. The services billed most often include imaging guidance for procedure, 60 minutes or less, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. NPI 1427009794 identifies this record in the national registry.
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
- (415) 362-8880
- Email not available
Practice Locations
450 SUTTER ST RM 910
San Francisco, CA 94108
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
Pain
Pediatric and tumor
Spine
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Procedures & services
Ankle surgery
Evaluation and nonsurgical
- Closed fracture treatment
- Joint injection or aspiration
- Orthopedic evaluation
- Cast placement and management
Foot & Ankle
Foot and ankle
Hand and upper extremity
- Wrist fracture fixation
- Cubital tunnel decompression
- Dupuytren contracture surgery
- Trigger finger release
Joint replacement
- Total hip replacement
- Total knee replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Nerves & spine
Orthopedics
- ACL reconstruction consultation
- Carpal tunnel surgery consultation
- Hip replacement consultation
- Knee replacement consultation
- Torn rotator cuff consultation
Post-Op Care
Spine
Spine & Orthopedics
- Bunion Surgery Consultation
- Foot and Ankle Surgery Consultation
- Shoulder Surgery Consultation
- Surgical Hardware Removal Consultation
- Trigger Finger Release Consultation
Trauma and fixation
- External fracture fixation
- Intramedullary nailing
- Repair of fracture nonunion
- Open reduction and internal fixation
Tumor and pediatric
Most searched procedures
Arthroscopy
Hand & Wrist
Injections & Non-Surgical
Injections & pain relief
Knee
Shoulder surgery
Trauma & Fractures
Procedures Most Often Billed to Medicare
460 services · 305 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
32 | As often as other peers in Orthopaedic Surgery |
| Injection of anesthetic agent and/or steroid into other nerve or branch | Procedure | 64450 |
24 | As often as other peers in Orthopaedic Surgery |
| Imaging guidance for procedure, 60 minutes or less | Imaging | 76000 |
153 | More than most peers in Orthopaedic Surgery |
| Complete ultrasound scan of joint | Imaging | 76881 |
45 | As often as other peers in Orthopaedic Surgery |
| Measurement of range of motion of hand | Treatment | 95852 |
25 | Too few peers to compare |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
115 | As often as other peers in Orthopaedic Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
66 | More often than most peers in Orthopaedic 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.
Related specialists at this location 1
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.
Other orthopaedic surgeons in San Francisco 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from small joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Diao specialize in?
Dr. Diao is an orthopaedic surgeon in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Where is Dr. Diao located?
Dr. Diao is listed at 450 Sutter St Rm 910, San Francisco, CA 94108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Diao's phone number?
The number on file is (415) 362-8880. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Diao's NPI number?
Dr. Diao's National Provider Identifier is 1427009794. 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. Diao go to medical school?
Dr. Diao attended Columbia University College of Physicians and Surgeons, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Diao been practicing?
Dr. Diao has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Diao do most often?
According to Medicare billing data, Dr. Diao performs procedures including aspiration and/or injection of fluid from small joint and injection of anesthetic agent and/or steroid into other nerve or branch; reads or performs imaging such as imaging guidance for procedure, 60 minutes or less and complete ultrasound scan of joint; provides treatments such as measurement of range of motion of hand, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Diao confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Diao. If this is you, claiming it is free.
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