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Edit this profileAt a glance
- 1220 Hemlock Way, Ste 203, Santa Ana, CA 92707
About Dr. Hajj
Ahmad A. Hajj, MD practices orthopaedic surgery in Santa Ana, CA. Medicare claims data shows Ahmad provided 32 services to 32 patients. The services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes and initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes. The provider's National Provider Identifier (NPI) is 1043287345.
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
- (714) 957-5721
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1220 HEMLOCK WAY STE 203
Santa Ana, CA 92707
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
- Ankle arthroscopy
- Ankle fusion
- Total ankle replacement
- Bunion surgery
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
32 services · 32 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
18 | As often as other peers in Orthopaedic Surgery |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
14 | Less 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.
Other orthopaedic surgeons at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 22 related providers in 3 groups
Other orthopaedic surgeons in Santa Ana 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1974 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Hajj specialize in?
Dr. Hajj is an orthopaedic surgeon in Santa Ana, 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. Hajj located?
Dr. Hajj is listed at 1220 Hemlock Way Ste 203, Santa Ana, CA 92707. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hajj's phone number?
The number on file is (714) 957-5721. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Hajj?
Dr. Hajj's National Provider Identifier is 1043287345. 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. Hajj go to medical school?
Dr. Hajj attended Other, graduating in 1974. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hajj have?
Dr. Hajj has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hajj do most often?
According to Medicare billing data, Dr. Hajj the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Hajj's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hajj. If this is you, claiming it is free.
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