Uf Health Shands Hospital · Referral network
HSA 10040 · 2014 · 865 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
-2,462,549
Median F
-926,112
Min F
-87,860,069
Max F
328
From referral_network_features
Precomputed on the full thresholded network (all edges, Python toolkit, unit node weights).
Nodes
1,154
Edges
35,224
Avg clustering
0.682
Density
0.0529
Forman μ
-118.5
Forman σ
168.5
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
522,206
Avg degree
18.50
Max degree
358
Negative F edges
7,980
Positive F edges
20
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 1134235732
Degree 219 · weight 26,490
219
#2
NPI 1932115805
Degree 203 · weight 25,848
203
#3
NPI 1295741064
Degree 358 · weight 25,765
358
#4
NPI 1437307097
Degree 231 · weight 24,272
231
#5
NPI 1942237714
Degree 208 · weight 23,558
208
#6
NPI 1902879323
Degree 185 · weight 21,064
185
#7
NPI 1568438661
Degree 185 · weight 19,585
185
#8
NPI 1265484257
Degree 177 · weight 18,006
177
Most negative curvature
#1
Forman -87,860,069
1295741064 → 1932115805
Weight 1,828 · Forman -87,860,069
#2
Forman -65,663,284
1114933082 → 1295741064
Weight 1,353 · Forman -65,663,284
#3
Forman -40,115,038
1134235732 → 1942237714
Weight 765 · Forman -40,115,038
#4
Forman -33,780,122
1134235732 → 1902879323
Weight 684 · Forman -33,780,122
#5
Forman -33,148,091
1295741064 → 1588868939
Weight 487 · Forman -33,148,091
#6
Forman -32,090,448
1134235732 → 1568438661
Weight 651 · Forman -32,090,448
#7
Forman -31,791,327
1902879323 → 1942237714
Weight 702 · Forman -31,791,327
#8
Forman -30,091,956
1134235732 → 1265484257
Weight 614 · Forman -30,091,956
Strongest referral edges
#1
Weight 1,828
1295741064 → 1932115805
Weight 1,828 · Forman -87,860,069
#2
Weight 1,507
1275628562 → 1750399051
Weight 1,507 · Forman -4,388,061
#3
Weight 1,353
1114933082 → 1295741064
Weight 1,353 · Forman -65,663,284
#4
Weight 891
1134235732 → 1386610483
Weight 891 · Forman -26,970,428
#5
Weight 866
1154580827 → 1164621314
Weight 866 · Forman -302,179
#6
Weight 861
1285722686 → 1932115805
Weight 861 · Forman -24,087,314
#7
Weight 839
1518946482 → 1619956570
Weight 839 · Forman -3,152,062
#8
Weight 836
1386610483 → 1942237714
Weight 836 · Forman -23,468,221