Uf Health Shands Hospital · Referral network
HSA 10040 · 2017 · 983 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
-6,448,321
Median F
-877,177
Min F
-306,749,096
Max F
98
From referral_network_features
Precomputed on the full thresholded network (all edges, Python toolkit, unit node weights).
Nodes
1,286
Edges
34,412
Avg clustering
0.671
Density
0.0416
Forman μ
-134.8
Forman σ
184.7
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
579,333
Avg degree
16.28
Max degree
637
Negative F edges
7,983
Positive F edges
17
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 1114933082
Degree 637 · weight 71,250
637
#2
NPI 1740302587
Degree 229 · weight 31,838
229
#3
NPI 1902879323
Degree 240 · weight 30,207
240
#4
NPI 1679541361
Degree 207 · weight 23,614
207
#5
NPI 1649248311
Degree 164 · weight 21,890
164
#6
NPI 1174602197
Degree 187 · weight 21,521
187
#7
NPI 1902872864
Degree 186 · weight 21,421
186
#8
NPI 1265484257
Degree 181 · weight 20,608
181
Most negative curvature
#1
Forman -306,749,096
1033316948 → 1114933082
Weight 2,309 · Forman -306,749,096
#2
Forman -209,830,601
1114933082 → 1588868939
Weight 1,236 · Forman -209,830,601
#3
Forman -186,773,944
1114933082 → 1205843745
Weight 983 · Forman -186,773,944
#4
Forman -172,889,628
1114933082 → 1447563408
Weight 861 · Forman -172,889,628
#5
Forman -167,213,807
1114933082 → 1295741064
Weight 803 · Forman -167,213,807
#6
Forman -164,850,854
1114933082 → 1720095052
Weight 776 · Forman -164,850,854
#7
Forman -155,977,668
1114933082 → 1598069783
Weight 704 · Forman -155,977,668
#8
Forman -143,579,298
1114933082 → 1679836456
Weight 575 · Forman -143,579,298
Strongest referral edges
#1
Weight 2,309
1033316948 → 1114933082
Weight 2,309 · Forman -306,749,096
#2
Weight 1,236
1114933082 → 1588868939
Weight 1,236 · Forman -209,830,601
#3
Weight 1,093
1568438661 → 1740302587
Weight 1,093 · Forman -35,637,986
#4
Weight 1,001
1164550232 → 1669482865
Weight 1,001 · Forman -551,243
#5
Weight 992
1386610483 → 1740302587
Weight 992 · Forman -33,239,267
#6
Weight 983
1114933082 → 1205843745
Weight 983 · Forman -186,773,944
#7
Weight 970
1801862768 → 1902879323
Weight 970 · Forman -34,396,244
#8
Weight 938
1326260837 → 1417031238
Weight 938 · Forman -9,382,938