Tampa General Hospital · Referral network
HSA 10121 · 2015 · 1298 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
-779,908
Median F
-236,495
Min F
-23,322,351
Max F
490
From referral_network_features
Precomputed on the full thresholded network (all edges, Python toolkit, unit node weights).
Nodes
1,884
Edges
36,644
Avg clustering
0.575
Density
0.0207
Forman μ
-107.9
Forman σ
100.9
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
457,242
Avg degree
12.33
Max degree
294
Negative F edges
7,941
Positive F edges
59
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 1427194166
Degree 294 · weight 18,074
294
#2
NPI 1396728911
Degree 163 · weight 12,945
163
#3
NPI 1891737805
Degree 167 · weight 12,282
167
#4
NPI 1205822889
Degree 164 · weight 10,130
164
#5
NPI 1902871817
Degree 172 · weight 10,049
172
#6
NPI 1225245178
Degree 129 · weight 9,841
129
#7
NPI 1568400943
Degree 127 · weight 9,761
127
#8
NPI 1750346268
Degree 172 · weight 9,361
172
Most negative curvature
#1
Forman -23,322,351
1205822889 → 1427194166
Weight 456 · Forman -23,322,351
#2
Forman -20,599,432
1427194166 → 1902871817
Weight 347 · Forman -20,599,432
#3
Forman -19,699,073
1427194166 → 1922293190
Weight 517 · Forman -19,699,073
#4
Forman -16,342,591
1427194166 → 1780626465
Weight 381 · Forman -16,342,591
#5
Forman -16,175,961
1427194166 → 1528186004
Weight 258 · Forman -16,175,961
#6
Forman -14,708,953
1427194166 → 1578531166
Weight 297 · Forman -14,708,953
#7
Forman -14,501,633
1427194166 → 1750346268
Weight 174 · Forman -14,501,633
#8
Forman -14,466,414
1053322180 → 1427194166
Weight 274 · Forman -14,466,414
Strongest referral edges
#1
Weight 1,844
1114919602 → 1326089244
Weight 1,844 · Forman -251,275
#2
Weight 964
1023246527 → 1114919602
Weight 964 · Forman -144,081
#3
Weight 948
1225245178 → 1588730113
Weight 948 · Forman -7,996,749
#4
Weight 911
1659318913 → 1891737805
Weight 911 · Forman -10,837,841
#5
Weight 853
1083041032 → 1134170038
Weight 853 · Forman -13,847
#6
Weight 847
1336286681 → 1891737805
Weight 847 · Forman -10,099,894
#7
Weight 830
1225245178 → 1538168265
Weight 830 · Forman -6,670,417
#8
Weight 786
1225245178 → 1790983203
Weight 786 · Forman -6,547,196