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Edit this profileWhere to find Christopher A. Walter, D.O.
- Sonoma location main office
347 Andrieux St, Sonoma, CA 95476 - Petaluma location
335 S McDowell Blvd, Petaluma, CA 94954
About Dr. Walter
Christopher A. Walter, D.O. is a healthcare provider in Sonoma, CA specializing in orthopedic surgery. Christopher trained at College of Osteopathic Physicians and Surgeons of Los Angeles, graduating in 2004. Christopher is also listed as specializing in orthopaedic surgery. According to Medicare claims data, Christopher cared for 452 Medicare patients across 1,942 services. The services billed most often include injection, methylprednisolone acetate, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1447420732.
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) 721-8830
- Email not available
Practice Locations
347 ANDRIEUX ST
Sonoma, CA 95476
335 S McDowell Blvd
Petaluma, CA 94954
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
Hip
Shoulder
- Broken collarbone
- Frozen shoulder
- Shoulder impingement
- Dislocated joint
Sports and soft tissue
- Stress fracture
Trauma and bone
- Bone fractures
- Osteoporosis
Foot & Ankle
Spine
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
Foot and ankle
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
1,942 services · 452 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
46 | Less often than most peers in Orthopedic Surgery |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
1,411 | Less often than most peers in Orthopedic Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
201 | More often than most peers in Orthopedic Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
151 | More often than most peers in Orthopedic Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
72 | More often than most peers in Orthopedic 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 |
42 | As often as other peers in Orthopedic Surgery |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
19 | Less often than most peers in Orthopedic 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 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.
Other orthopedic surgeons in Sonoma 4
Same specialty, same city.
More connections — 10 related providers in 3 groups
Trained at College of Osteopathic Physicians and Surgeons of Los Angeles 1
Other providers in the same specialty who trained at the same institution.
Class of 2004 at College of Osteopathic Physicians and Surgeons of Los Angeles 1
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 does Christopher A. Walter specialize in?
Christopher A. Walter is an orthopedic surgeon in Sonoma, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
Where is Christopher A. Walter located?
Christopher A. Walter is listed at 347 Andrieux St, Sonoma, CA 95476. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Christopher A. Walter's phone number?
The number on file is (707) 721-8830. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Christopher A. Walter's NPI number?
Christopher A. Walter's National Provider Identifier is 1447420732. 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 Christopher A. Walter train?
Christopher A. Walter attended College of Osteopathic Physicians and Surgeons of Los Angeles, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Christopher A. Walter been practicing?
Christopher A. Walter has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Christopher A. Walter do most often?
According to Medicare billing data, Christopher A. Walter performs procedures including aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Christopher A. Walter confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Christopher A. Walter. If this is you, claiming it is free.
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