Wellstar Atlanta Medical Center · Referral network
HSA 11007 · 2017 · 1965 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
-1,240,420
Median F
-245,785
Min F
-62,919,151
Max F
291.3
From referral_network_features
Precomputed on the full thresholded network (all edges, Python toolkit, unit node weights).
Nodes
3,446
Edges
62,018
Avg clustering
0.610
Density
0.0104
Forman μ
-103
Forman σ
152.9
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
484,856
Avg degree
8.14
Max degree
357
Negative F edges
7,921
Positive F edges
79
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 1013924760
Degree 357 · weight 28,993
357
#2
NPI 1255465696
Degree 181 · weight 21,035
181
#3
NPI 1144316795
Degree 217 · weight 17,206
217
#4
NPI 1598080129
Degree 143 · weight 15,456
143
#5
NPI 1619984705
Degree 173 · weight 15,421
173
#6
NPI 1649345919
Degree 140 · weight 10,463
140
#7
NPI 1043227895
Degree 140 · weight 10,422
140
#8
NPI 1528021094
Degree 127 · weight 9,766
127
Most negative curvature
#1
Forman -62,919,151
1013924760 → 1588671333
Weight 1,566 · Forman -62,919,151
#2
Forman -59,157,944
1013924760 → 1629088083
Weight 1,394 · Forman -59,157,944
#3
Forman -52,253,853
1013924760 → 1043227895
Weight 859 · Forman -52,253,853
#4
Forman -38,131,740
1013924760 → 1871770735
Weight 607 · Forman -38,131,740
#5
Forman -36,969,892
1013924760 → 1821074881
Weight 565 · Forman -36,969,892
#6
Forman -32,997,197
1013924760 → 1770590598
Weight 456 · Forman -32,997,197
#7
Forman -32,599,673
1013924760 → 1386671766
Weight 445 · Forman -32,599,673
#8
Forman -32,570,094
1013924760 → 1992722821
Weight 444 · Forman -32,570,094
Strongest referral edges
#1
Weight 2,683
1285761833 → 1811170145
Weight 2,683 · Forman -9,902,814
#2
Weight 1,566
1013924760 → 1588671333
Weight 1,566 · Forman -62,919,151
#3
Weight 1,394
1013924760 → 1629088083
Weight 1,394 · Forman -59,157,944
#4
Weight 1,245
1285761833 → 1427022904
Weight 1,245 · Forman -3,632,637
#5
Weight 1,191
1225048689 → 1386671766
Weight 1,191 · Forman -1,349,220
#6
Weight 1,043
1225048689 → 1992722821
Weight 1,043 · Forman -1,272,419
#7
Weight 859
1013924760 → 1043227895
Weight 859 · Forman -52,253,853
#8
Weight 846
1366490419 → 1811170145
Weight 846 · Forman -3,242,583