Exhibit 2.

Breakdown of Care by Physician Specialty

Physician Specialty	n	Fraction of all physicians (%)	Episodes assigned to specialty	Fraction of all episodes (%)	Avg Episodes/ Physician
Allergy and Immunology	93	0.8%	18,356	0.6%	197.4
Cardiology	695	5.7%	72,714	2.5%	104.6
Cardiothoracic Surgery	94	0.8%	2,348	0.1%	25.0
Dermatology	332	2.7%	247,366	8.6%	745.1
Emergency Medicine	678	5.6%	64,977	2.3%	95.8
Endocrinology	162	1.3%	17,995	0.6%	111.1
Family/General Practice	1,012	8.4%	405,111	14.2%	400.3
Gastroenterology	417	3.4%	110,814	3.9%	265.7
General Surgery	555	4.6%	65,078	2.3%	117.3
Hematology/Oncology	299	2.5%	18,274	0.6%	61.1
Infectious Diseases	231	1.9%	25,233	0.9%	109.2
Internal Medicine	2,857	23.6%	996,780	34.8%	348.9
Nephrology	193	1.6%	14,390	0.5%	74.6
Neurological Surgery	104	0.9%	4,256	0.1%	40.9
Neurology	420	3.5%	32,516	1.1%	77.4
Obstetrics and Gynecology	899	7.4%	298,559	10.4%	332.1
Ophthalmology	513	4.2%	169,017	5.9%	329.5
Oral & Maxillofacial Surgery	13	0.1%	866	0.0%	66.6
Orthopedic Surgery	558	4.6%	69,684	2.4%	124.9
Otolaryngology	218	1.8%	59,636	2.1%	273.6
Physical Medicine & Rehabilitation	137	1.1%	6,965	0.2%	50.8
Plastic Surgery	117	1.0%	14,861	0.5%	127.0
Psychiatry	706	5.8%	9,942	0.3%	14.1
Pulmonary & Critical Care	356	2.9%	44,992	1.6%	126.4
Rheumatology	174	1.4%	34,402	1.2%	197.7
Urology	211	1.7%	49,082	1.7%	232.6
Vascular Surgery	72	0.6%	6,879	0.2%	95.5
Overall	12,116		2,861,093		236.1

Source: Authors’ own analyses