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Edit this profileAt a glance
- 181 Andrieux St Ste 111, Sonoma, CA 95476
About Dr. Harf
Based in Sonoma, CA, Robert A. Harf, MD FACS is listed in the NPI registry under orthopedic surgery. Robert is also listed as specializing in orthopaedic surgery of the spine and orthopaedic surgery. Medicare claims data shows Robert provided 668 services to 444 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and injection, methylprednisolone acetate, 1 mg. NPI 1023128741 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
- (707) 996-8017
- Email not available
Practice Locations
181 ANDRIEUX ST STE 111
Sonoma, CA 95476
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
668 services · 444 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
37 | As often as other peers in Orthopedic Surgery |
| Treatment of broken neck of thigh bone with bone implant | Procedure | 27245 |
11 | Less often than most peers in Orthopedic Surgery |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
34 | Less often than most peers in Orthopedic Surgery |
| X-ray of hip, 2-3 views | Imaging | 73502 |
29 | As often as other peers in Orthopedic Surgery |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
20 | Less often than most peers in Orthopedic Surgery |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
17 | Less often than most peers in Orthopedic Surgery |
| X-ray of knee, 1-2 views | Imaging | 73560 |
14 | Less often than most peers in Orthopedic Surgery |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
62 | Less often than most peers in Orthopedic Surgery |
| Injection, methylprednisolone acetate, 20 mg | Drug given | J1020 |
12 | 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 |
310 | More 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.
Other orthopedic surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
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 3
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1977 at Other 8
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 kind of doctor is Dr. Harf?
Dr. Harf 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
What is Dr. Harf's address?
Dr. Harf is listed at 181 Andrieux St Ste 111, Sonoma, CA 95476. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Harf?
The number on file is (707) 996-8017. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Harf?
Dr. Harf's National Provider Identifier is 1023128741. 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. Harf train?
Dr. Harf attended Other, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Harf have?
Dr. Harf has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Harf perform?
According to Medicare billing data, Dr. Harf performs procedures including aspiration and/or injection of fluid from large joint and treatment of broken neck of thigh bone with bone implant; reads or performs imaging such as x-ray of lower and sacral spine, 2-3 views and x-ray of hip, 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 Dr. Harf's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Harf. If this is you, claiming it is free.
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