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Edit this profileAt a glance
- 1405 Montgomery Dr, Santa Rosa, CA 95405
About Dr. Athanassious
Christian N. Athanassious, M.D. practices orthopaedic surgery in Santa Rosa, CA. Medicare claims data shows Christian provided 13,073 services to 1,926 patients. The services billed most often include injection, methylprednisolone acetate, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1043471279.
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
- (707) 546-1922
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1405 MONTGOMERY DR
Santa Rosa, CA 95405
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
13,073 services · 1,926 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | Procedure | 22853 |
144 | More than most peers in Orthopaedic Surgery |
| Injection of trigger points, 3 or more muscles | Procedure | 20553 |
109 | As often as other peers in Orthopaedic Surgery |
| Placement of stabilizing device to front, 2-3 spine bone segments | Procedure | 22845 |
84 | More than most peers in Orthopaedic Surgery |
| Harvest of bone fragment for spine bone graft | Procedure | 20937 |
84 | More than most peers in Orthopaedic Surgery |
| Fusion of lower spine bone and partial removal of spine bone or disc through back, 1 disc | Procedure | 22630 |
61 | Too few peers to compare |
| Fusion of lower back spine bone and partial removal of spine bone or disc through back, each additional disc | Procedure | 22632 |
38 | Too few peers to compare |
| Placement of stabilizing device to back, 3-6 spine bone segments | Procedure | 22842 |
35 | More than most peers in Orthopaedic Surgery |
| Fusion of lower spine bone through side with partial removal of disc, 1 bone | Procedure | 22533 |
35 | Too few peers to compare |
| Fusion of lower spine bone through abdomen with partial removal of disc | Procedure | 22558 |
30 | More often than most peers in Orthopaedic Surgery |
| Placement of stabilizing device to back of 1 spine bone in neck | Procedure | 22840 |
25 | 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.
Other orthopaedic surgeons at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 29 related providers in 4 groups
Other orthopaedic surgeons in Santa Rosa 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of cage or mesh device to spine bone and disc space during spine fusion 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Christian N. Athanassious?
Christian N. Athanassious is an orthopaedic surgeon in Santa Rosa, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
What is Christian N. Athanassious's address?
Christian N. Athanassious is listed at 1405 Montgomery Dr, Santa Rosa, CA 95405. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Christian N. Athanassious?
The number on file is (707) 546-1922. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Christian N. Athanassious?
Christian N. Athanassious's National Provider Identifier is 1043471279. 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 Christian N. Athanassious train?
Christian N. Athanassious attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Christian N. Athanassious have?
Christian N. Athanassious has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What procedures does Christian N. Athanassious perform?
According to Medicare billing data, Christian N. Athanassious performs procedures including insertion of cage or mesh device to spine bone and disc space during spine fusion, injection of trigger points, 3 or more muscles and placement of stabilizing device to front, 2-3 spine bone segments; reads or performs imaging such as x-ray of lower and sacral spine, minimum of 4 views and x-ray of lower and sacral spine, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Christian N. Athanassious's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Christian N. Athanassious. If this is you, claiming it is free.
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