caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1083880850

Colleen ChristiansenPA-C

PRACTICEPALMETTO HEALTH - UNIVERSITY OF SOUTH CAROLINA MEDICAL GROUPSee all providers at this practice →
Physician AssistantColumbia, SCI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 420049
Hospital
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
41
Unique beneficiaries
—
Total services
41
Distinct HCPCS
1
Medicare payment
$6K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,812 Physician Assistant providers in SC — bottom quintile (cohort median 383).
REFERRAL NETWORK

Where Colleen Christiansen'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). 7 inbound referrers · 15 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
PLAINVIEW HOSPITAL6097
Dominic Altieri
Diagnostic Radiology · Stony Brook, NY
2649
Daniel Wachsman
Cardiology · Woodbury, NY
1529
Sienna Moran
Pulmonary Disease · Boston, MA
1428
Kostas Sideridis
Gastroenterology · Syosset, NY
1322
Northwell Health Laboratories
Clinical Laboratory · New Hyde Park, NY
1229
Samuel Kim
Diagnostic Radiology · Poughkeepsie, NY
1121
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Sienna Moran
Pulmonary Disease · Boston, MA
3575
Richard Siegmann
Diagnostic Radiology · Manhasset, NY
3049
Darshan Patel
Critical Care (Intensivists) · Manhasset Hills, NY
2841
Dominic Altieri
Diagnostic Radiology · Stony Brook, NY
2748
Emergency Ambulance Service, Inc.
Ambulance Service Provider · Bohemia, NY
1928
David Grossman
Cardiology · Woodbury, NY
1846
Neeral Patel
Cardiology · Woodbury, NY
1840
ELSANT, MARTIN1834
William Breen
Internal Medicine · Woodbury, NY
1532
Daniel Wachsman
Cardiology · Woodbury, NY
1331
Gaetano Pannella
Cardiology · Woodbury, NY
1334
Samuel Kim
Diagnostic Radiology · Poughkeepsie, NY
1319
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.