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PROVIDER PROFILE · NPI 1427480318

Zachary AnnenARNP

PRACTICEUNIVERSITY OF WASHINGTONSee all providers at this practice →
Nurse PractitionerSeattle, WAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$269
Payment records
2
By payment type
Food and Beverage$269
PRESCRIBING · PART D · 2024
Total Rx claims
104
Beneficiaries
—
Total drug cost
$1K
Distinct drugs
3
Brand share
11.5%
Top prescribed drugs
Tamsulosin Hcl77 claims
Finasteride15 claims
Sulfamethoxazole/Trimethoprim12 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
181
Unique beneficiaries
—
Total services
236
Distinct HCPCS
6
Medicare payment
$9K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,734 Nurse Practitioner providers in WA — above median (cohort median 228).
REFERRAL NETWORK

Where Zachary Annen'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 · 12 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
HARBORVIEW MEDICAL CENTER63142
NAVOS3341
Christopher Gross
Psychiatry & Neurology · Seattle, WA
3268
Lauren O'toole
Nurse Practitioner · Seattle, WA
2241
Pamela Abramowicz
Nurse Practitioner · Santa Maria, CA
2169
BHC FAIRFAX HOSPITAL INC1620
Nitin Karnik
Psychiatry · Tacoma, WA
1215
SWEDISH HEALTH SERVICES1228
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
American Medical Response Ambulance Service Inc
Ambulance Service Provider · Tukwila, WA
51153
Pamela Abramowicz
Nurse Practitioner · Santa Maria, CA
30109
HARBORVIEW MEDICAL CENTER2683
Christopher Gross
Psychiatry & Neurology · Seattle, WA
2572
Lauren O'toole
Nurse Practitioner · Seattle, WA
2394
Nitin Karnik
Psychiatry · Tacoma, WA
2227
NAVOS1820
Brian Coleman
Psychiatry · Seattle, WA
1726
Catherine Webb
Nurse Practitioner · Seattle, WA
1425
Kristine Highlander
Nurse Practitioner · Seattle, WA
1255
Jeffrey Skolnick
Psychiatry · Seattle, WA
1223
Jeffrey Korcz
Psychiatry · Seattle, WA
1137
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.