Physician Profile
Unclaimed ProfileAbout RUMACK
William Allen Rumack, M.D. is a healthcare provider in West Hills, CA specialising in orthopedic surgery. William trained at University of Colorado School of Medicine, Denver, graduating in 1996. William is also listed as specialising in orthopaedic surgery.
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
Areas of Expertise
Common questions
What does Dr. Rumack specialise in?
Dr. Rumack is an orthopedic surgeon in West Hills, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
Where is Dr. Rumack located?
Dr. 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 Dr. Rumack's phone number?
The number on file is (818) 888-2855. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Rumack's NPI number?
Dr. 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 Dr. Rumack go to medical school?
Dr. 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 Dr. Rumack been practising?
Dr. Rumack has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Rumack do most often?
According to Medicare billing data, Dr. 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 Dr. Rumack confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Rumack. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (818) 888-2855
- Email not available
Practice Locations
7345 MEDICAL CENTER DR SUITE #280
West Hills, CA 91307
Procedures Most Often Billed to Medicare
12,419 services · 1,865 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
372 |
| Injection into tendon or ligament | Procedure | 20550 |
22 |
| Removal of extensive shoulder joint tissue using an endoscope | Procedure | 29823 |
15 |
| X-ray of knee, 3 views | Imaging | 73562 |
226 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
130 |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
124 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
73 |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
69 |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
60 |
| X-ray of upper spine, 2-3 views | Imaging | 72040 |
53 |
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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.