Doctor profile · Federal record
Dr. William Rumack, M.D.
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Orthopaedic Surgery Physician · Orthopaedic Surgery Physician · West Hills, CA
- NPI 1740257542
- Accepts Medicare
- MIPS 7.5 / 100 · 2023
- 30 yrs in practice
- Licensed in 3 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
7345 Medical Center Dr, Suite #280
West Hills, CA 913071937
(818) 888-2855
fax (818) 888-0702
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- May 11, 2023
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State licenses (3)
- California #A79561 · Texas #K2785 · Colorado #DR38255
- Medicaid
- CA #W8424
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740257542. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
7,225
Distinct HCPCS
10
Medicare allowed
$293,818
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
97110 |
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 1,977 | 57 | $27 | |
J7332 |
Hyaluronan or derivative, triluron, for intra-articular injection, 1 mg | 1,161 | 13 | $10 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 919 | 138 | $0 | |
97032 |
Application of electrical stimulation with therapist present, each 15 minutes | 631 | 54 | $12 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 437 | 247 | $98 | |
20611 |
Aspiration and/or injection of fluid large joint using ultrasound guidance | 362 | 147 | $126 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 269 | 189 | $138 | |
73562 |
X-ray of knee, 3 views | 238 | 149 | $47 | |
J7321 |
Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose | 172 | 32 | $73 | |
73030 |
X-ray of shoulder, minimum of 2 views | 153 | 92 | $40 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 300. This provider delivers 24× the peer median.Open Payments
Industry payments received
All-time total
$58
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| DJO, LLC | 1 | $35.22 | |
| HERAEUS MEDICAL, LLC. | 1 | $22.97 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
505
Patients
186
Total drug cost
$6,554
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Meloxicam | Generic | 299 | 107 | $1,494 |
| Celecoxib | Generic | 151 | 62 | $3,854 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 26 | 17 | $261 |
| Diclofenac Sodium | Generic | 16 | 0 | $672 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 13 | 0 | $273 |
Hospital affiliations
Frequently asked questions
What is Dr. William Rumack's medical specialty?
Dr. William Rumack practices Orthopaedic Surgery Physician in West Hills, CA.
Where does Dr. William Rumack practice?
Dr. William Rumack practices at 7345 Medical Center Dr, West Hills, CA 913071937. Office phone: 8188882855.
What is Dr. William Rumack's NPI?
Dr. William Rumack's National Provider Identifier (NPI) is 1740257542, issued by NPPES.
Does Dr. William Rumack accept Medicare assignment?
Yes. Dr. William Rumack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Rumack commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Hyaluronan or derivative, triluron, for intra-articular injection, 1 mg (HCPCS J7332); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100). Source: CMS Medicare Physician & Other Practitioners file.