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PROVIDER PROFILE · NPI 1740257542

William RumackM.D.

PRACTICEPROFESSIONAL ORTHOPEDICS MEDICAL ASSOCIATES A PROF MEDICAL CORPSee all providers at this practice →
Orthopedic SurgeryWest Hills, CAI
CROSS-REFERENCE

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ProviderScore
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,918
Unique beneficiaries
—
Total services
12,474
Distinct HCPCS
29
Medicare payment
$216K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,921 Orthopedic Surgery providers in CA — top quintile (cohort median 1,100).
QUALITY · MIPS · 2024
Final MIPS score
75.0
Quality
0.0
Cost
60.5
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
0.00%
Individual
PRESCRIBING · PART D · 2024
Total Rx claims
383
Beneficiaries
—
Total drug cost
$2K
Distinct drugs
4
Brand share
4.7%
Top prescribed drugs
Meloxicam270 claims
Celecoxib84 claims
Oxycodone Hcl/Acetaminophen18 claims
Diclofenac Sodium11 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$58
Payment records
2
By payment type
Food and Beverage$58
REFERRAL NETWORK

Where William Rumack's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 21 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
WEST HILLS HOSPITAL186728
Unilab Corporation
Clinical Laboratory · West Hills, CA
68241
Michael Lee
Orthopedic Surgery · West Hills, CA
60219
City Of Los Angeles
Ambulance Service Provider · Los Angeles, CA
3690
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA34134
Rami Shaarawy
Internal Medicine · Canoga Park, CA
27161
Ramin Farshi
Cardiology · West Hills, CA
2186
Sohail Nasim
Nephrology · West Hills, CA
1762
DIGNITY COMMUNITY CARE1652
Haixin Xu
Internal Medicine · Canoga Park, CA
1583
Thomas Conklin
Family Practice · Northridge, CA
12110
Behrouz Dardashti
Family Practice · West Hills, CA
1287
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.