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Edit this profileAt a glance
- 7345 Medical Center Dr, Suite #280, West Hills, CA 91307
About Dr. Rumack
William A. Rumack, M.D. is a healthcare provider in West Hills, CA specializing in orthopedic surgery. William trained at University of Colorado School of Medicine, Denver, graduating in 1996. William is also listed as specializing in orthopaedic surgery. According to Medicare claims data, William cared for 1,865 Medicare patients across 12,419 services. The services billed most often include hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg, therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes, and injection, dexamethasone sodium phosphate, 1 mg. This provider record is associated with NPI 1740257542.
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
- (818) 888-2855
- Email not available
Practice Locations
7345 MEDICAL CENTER DR SUITE #280
West Hills, CA 91307
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
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
12,419 services · 1,865 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
372 | More often than most peers in Orthopedic Surgery |
| Injection into tendon or ligament | Procedure | 20550 |
22 | As often as other peers in Orthopedic Surgery |
| Removal of extensive shoulder joint tissue using an endoscope | Procedure | 29823 |
15 | As often as other peers in Orthopedic Surgery |
| X-ray of knee, 3 views | Imaging | 73562 |
226 | More often than most peers in Orthopedic Surgery |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
130 | More often than most peers in Orthopedic Surgery |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
124 | More often than most peers in Orthopedic Surgery |
| X-ray of hip, 2-3 views | Imaging | 73502 |
73 | More often than most peers in Orthopedic Surgery |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
69 | More often than most peers in Orthopedic Surgery |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
60 | More often than most peers in Orthopedic Surgery |
| X-ray of upper spine, 2-3 views | Imaging | 72040 |
53 | 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.
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 — 31 related providers in 4 groups
Other orthopedic surgeons in West Hills 7
Same specialty, same city.
Trained at University of Colorado School of Medicine, Denver 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at University of Colorado School of Medicine, Denver 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid large joint using ultrasound guidance 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does William A. Rumack specialize in?
William A. Rumack is an orthopedic surgeon in West Hills, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
Where is William A. Rumack located?
William A. Rumack is listed at 7345 Medical Center Dr Suite #280, West Hills, CA 91307. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William A. Rumack's phone number?
The number on file is (818) 888-2855. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William A. Rumack's NPI number?
William A. Rumack's National Provider Identifier is 1740257542. 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 William A. Rumack train?
William A. Rumack attended University of Colorado School of Medicine, Denver, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has William A. Rumack been practicing?
William A. Rumack has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does William A. Rumack do most often?
According to Medicare billing data, William A. Rumack performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance, injection into tendon or ligament and removal of extensive shoulder joint tissue using an endoscope; reads or performs imaging such as x-ray of knee, 3 views and x-ray of shoulder, minimum of 2 views; provides treatments such as therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes and application of electrical stimulation with therapist present, each 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William A. Rumack confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William A. Rumack. If this is you, claiming it is free.
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