Physician Profile
Christian N. Athanassious, M.D.
Unclaimed ProfileAbout 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
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
Most searched conditions
- Arthritis
- Carpal tunnel
- Rotator cuff tear
- Sciatica
- Torn Achilles tendon
- Torn ACL
- Torn meniscus
Elbow, hand, and wrist
- Cubital tunnel syndrome
- Golfer's elbow
- Tennis elbow
- Trigger finger
- Wrist fracture
Foot and ankle
- Ankle fracture
- Ankle sprain
- Heel pain
Hip
- Hip labral tear
- Lateral hip pain and trochanteric bursitis
Shoulder
- Broken collarbone
- Frozen shoulder
- Shoulder impingement
- Dislocated joint
Sports and soft tissue
- Stress fracture
Trauma and bone
- Bone fractures
- Osteoporosis
Foot & Ankle
- Bunions
Spine
- Herniated disc
- Scoliosis
- Spinal stenosis
Procedures & services
Most searched procedures
- Achilles tendon repair
- ACL reconstruction
- Carpal tunnel surgery
- Hip replacement
- Knee replacement
Evaluation and nonsurgical
- Cast placement and management
Arthroscopy
- Hip arthroscopy
- Rotator cuff repair
- Shoulder arthroscopy
Foot & Ankle
- Ankle Ligament Surgery
- Hammertoe Surgery
Foot and ankle
- Ankle arthroscopy
- Ankle fusion
- Bunion surgery
Hand & Wrist
- De Quervain's Release
Hand and upper extremity
- Cubital tunnel decompression
- Dupuytren contracture surgery
- Trigger finger release
Injections & Non-Surgical
- Knee Joint Injection
- PRP Injection
Injections & pain relief
- Cortisone Shot for Joint Pain
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
- Kneecap Stabilization Surgery
- Meniscus Surgery
Shoulder surgery
- Shoulder labrum repair
Trauma & Fractures
- Broken Hip Surgery
- Hardware Removal Surgery
Trauma and fixation
- Open reduction and internal fixation
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.