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PROVIDER PROFILE · NPI 1164752655

Margaret SiegfriedARNP

PRACTICEGREGORY DAVID RUDOLFSee all providers at this practice →
Nurse PractitionerSeattle, WAI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 500008
Hospital
REFERRAL NETWORK

Where Margaret Siegfried'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). 8 inbound referrers · 10 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
NORTHWEST KIDNEY CENTERS70274
SWEDISH HEALTH SERVICES55342
DYNACARE NORTHWEST, INC45780
Sanjit Reddy
Nephrology · Seattle, WA
16112
Phillip Chapman
Urology · Seattle, WA
1451
Andrew Selby
Physician Assistant · Springfield, OR
12157
Marquis Hart
General Surgery · San Diego, CA
11110
AUBUCHON, JAMES1144
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SWEDISH HEALTH SERVICES83452
NORTHWEST KIDNEY CENTERS65238
DYNACARE NORTHWEST, INC36727
Nelson Goes
Nephrology · Seattle, WA
32141
Nidyanandh Vadivel
Internal Medicine · Seattle, WA
24114
Meghan Vita
Nurse Practitioner · Seattle, WA
2068
Sanjit Reddy
Nephrology · Seattle, WA
19105
PATHOLOGY ASSOCIATES MEDICAL LABORATORIES LLC1876
AUBUCHON, JAMES1251
Phillip Chapman
Urology · Seattle, WA
1146
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
209
Unique beneficiaries
—
Total services
266
Distinct HCPCS
2
Medicare payment
$18K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,734 Nurse Practitioner providers in WA — above median (cohort median 228).
PRESCRIBING · PART D · 2024
Total Rx claims
176
Beneficiaries
—
Total drug cost
$2K
Distinct drugs
8
Brand share
13.1%
Top prescribed drugs
Losartan Potassium34 claims
Amlodipine Besylate34 claims
Sulfamethoxazole/Trimethoprim23 claims
Prednisone22 claims
Famotidine21 claims
QUALITY · MIPS · 2024
Final MIPS score
93.8
Quality
74.6
Cost
0.0
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.79%
APM Entity
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.