Wakemed Raleigh Campus · Referral network
HSA 34068 · 2016 · 1136 physicians · 8000 edges
Running from SQLite — no Neo4j required. Regional and HSA dashboards, this force graph, curvature histogram, and hub rankings all work out of the box. Advanced users can optionally load the graph into a self-hosted Neo4j instance (docker compose up -d, then npm run etl-to-neo4j) for the Cypher playground and Neo4j Browser.
Force-directed graph · edges coloured by Forman–Ricci curvature
Loading graph engine…
Curvature distribution
Mean F
-1,617,959
Median F
-466,841
Min F
-121,934,407
Max F
1,042
From referral_network_features
Precomputed on the full thresholded network (all edges, Python toolkit, unit node weights).
Nodes
1,599
Edges
27,853
Avg clustering
0.564
Density
0.0218
Forman μ
-115.1
Forman σ
119.1
Rendered graph structure
Live computation on up to 8,000 edges (SQLite row order, node-strength weights). Values will differ from precomputed stats above for large HSAs.
Total weight
489,329
Avg degree
14.08
Max degree
306
Negative F edges
7,934
Positive F edges
66
Nonzero F edges
8,000
Reading the graph
Teal edges have positive Forman curvature — efficient information flow.
Red edges have negative curvature — bottlenecks in the referral graph.
Edge width: log(patient count). Node size: degree-weighted strength.
Hub physicians
#1
NPI 1356374219
Degree 306 · weight 35,320
306
#2
NPI 1457645269
Degree 169 · weight 18,611
169
#3
NPI 1205865995
Degree 161 · weight 18,159
161
#4
NPI 1578788162
Degree 228 · weight 17,455
228
#5
NPI 1831195049
Degree 218 · weight 15,975
218
#6
NPI 1811960412
Degree 154 · weight 14,187
154
#7
NPI 1902802945
Degree 152 · weight 13,787
152
#8
NPI 1952309494
Degree 158 · weight 13,646
158
Most negative curvature
#1
Forman -121,934,407
1356374219 → 1457645269
Weight 2,628 · Forman -121,934,407
#2
Forman -116,451,885
1205865995 → 1356374219
Weight 2,548 · Forman -116,451,885
#3
Forman -62,049,785
1356374219 → 1952648701
Weight 1,132 · Forman -62,049,785
#4
Forman -61,436,672
1356374219 → 1437390440
Weight 1,126 · Forman -61,436,672
#5
Forman -59,348,879
1134360605 → 1356374219
Weight 1,050 · Forman -59,348,879
#6
Forman -58,463,244
1356374219 → 1740694231
Weight 1,007 · Forman -58,463,244
#7
Forman -57,385,762
1316938681 → 1356374219
Weight 968 · Forman -57,385,762
#8
Forman -57,096,815
1316102676 → 1356374219
Weight 941 · Forman -57,096,815
Strongest referral edges
#1
Weight 2,628
1356374219 → 1457645269
Weight 2,628 · Forman -121,934,407
#2
Weight 2,548
1205865995 → 1356374219
Weight 2,548 · Forman -116,451,885
#3
Weight 1,514
1205865995 → 1457645269
Weight 1,514 · Forman -40,474,239
#4
Weight 1,132
1356374219 → 1952648701
Weight 1,132 · Forman -62,049,785
#5
Weight 1,126
1356374219 → 1437390440
Weight 1,126 · Forman -61,436,672
#6
Weight 1,050
1134360605 → 1356374219
Weight 1,050 · Forman -59,348,879
#7
Weight 1,007
1356374219 → 1740694231
Weight 1,007 · Forman -58,463,244
#8
Weight 968
1316938681 → 1356374219
Weight 968 · Forman -57,385,762