DR. WILLIAM ALLEN RUMACK M.D. NPI 1740257542

NPI Information

  • NPI: 1740257542
  • Provider Name: DR. WILLIAM ALLEN RUMACK, M.D.
  • Classification: Orthopaedic Surgery - 207X00000X
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 7345 MEDICAL CENTER DR
    SUITE #280
    WEST HILLS, CA
    ZIP 91307
  • Phone: (818) 888-2855

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NPI Details

DR. William Allen Rumack, M.D. is an orthopaedic surgery in West Hills, CA with 30 years of experience. The provider is an orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system. DR. William Allen Rumack, M.D. NPI is 1740257542. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Graduation Year:1996

The provider's business location address is:

7345 MEDICAL CENTER DR
SUITE #280
WEST HILLS, CA
ZIP 91307-937
Phone: (818) 888-2855
Fax: (818) 888-0702

The NPI 1740257542 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Hyaluronan or derivative, triluron, for intra-articular injection, 1 mg (HCPCS:J7332)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (HCPCS:97110)
  • Injection, dexamethasone sodium phosphate, 1 mg (HCPCS:J1100)
  • Application of electrical stimulation with therapist present, each 15 minutes (HCPCS:97032)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Aspiration and/or injection of fluid large joint using ultrasound guidance (HCPCS:20611)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • X-ray of knee, 3 views (HCPCS:73562)
  • Established patient office or other outpatient visit, 10-19 minutes (HCPCS:99212)
  • X-ray of shoulder, minimum of 2 views (HCPCS:73030)
  • X-ray of lower and sacral spine, 2-3 views (HCPCS:72100)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • X-ray of hip, 2-3 views (HCPCS:73502)
  • X-ray of wrist, minimum of 3 views (HCPCS:73110)
  • New patient office or other outpatient visit, 30-44 minutes (HCPCS:99203)
  • X-ray of ankle, minimum of 3 views (HCPCS:73610)
  • Evaluation for physical therapy, typically 20 minutes (HCPCS:97161)
  • X-ray of knee, 1-2 views (HCPCS:73560)
  • X-ray of hand, minimum of 3 views (HCPCS:73130)
  • X-ray of upper spine, 2-3 views (HCPCS:72040)
  • X-ray of knee, 4 or more views (HCPCS:73564)
  • X-ray of foot, minimum of 3 views (HCPCS:73630)
  • X-ray of elbow, 2 views (HCPCS:73070)
  • Aspiration and/or injection of fluid from medium joint using ultrasound guidance (HCPCS:20606)
  • Follow-up hospital inpatient care per day, typically 15 minutes (HCPCS:99231)
  • Injection into tendon or ligament (HCPCS:20550)
  • X-ray of finger, minimum of 2 views (HCPCS:73140)
  • Ultrasonic guidance for needle placement (HCPCS:76942)
  • Application of vein wound compression bandages on lower leg, ankle, and foot (HCPCS:29581)
  • Incision of connective tissue of hip or thigh (HCPCS:27025)
  • Removal of cyst or growth of thigh bone (HCPCS:27355)
  • Hip replacement (HCPCS:NAN09)
  • Knee replacement (HCPCS:NAN06)
  • Lower limb (leg) arthroscopy (minimally invasive joint repair) (HCPCS:NAN15)
  • Upper limb (arm) arthroscopy (minimally invasive joint repair) (HCPCS:NAN17)

The enumeration date for this NPI number is 3/1/2006 and was last updated on 5/11/2023.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207X00000XOrthopaedic SurgeryK2785TEXASNo
2207X00000XOrthopaedic SurgeryDR38255COLORADONo
3207X00000XOrthopaedic SurgeryA79561CALIFORNIAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
11104410001OTHERCALIFORNIAMEDICARE DME SUPPLIER #
2955118OTHERCALIFORNIAQME #
3DR 38255OTHERCOLORADOMEDICAL BOARD OF COLORADO
4A79561OTHERCALIFORNIAMEDICAL BOARD OF CA
5K2785OTHERTEXASMEDICAL BOARD OF TEXAS
6W8424MEDICAIDCALIFORNIA
7WA79561BOTHERCALIFORNIAMEDICARE PERFORMING
8953718732OTHERCALIFORNIATAX ID #

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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