Hospital · CCN 220002
Mount Auburn Hospital
330 Mount Auburn Street, Cambridge, MA 02138 · Middlesex County
Part of Beth Israel Lahey Health · 189 beds · 1
Metropolitan area core: primary flow within an urbanized area of 50,000 and greater
63 admission types 54 outpatient services
Billed per dollar paid, all admissions
1.67×
$54.2M billed against $32.4M paid across 1,948 Medicare discharges; the national figure is 5.03×.
1.1%
of adults in Middlesex County have medical debt in collections
2.4%
uninsured in the county · state 2.9%
$123K
median household income
2.2×
billed ÷ paid, inpatient, summed over the county's hospitals in the Medicare file (12 in the inpatient or outpatient file)ⓘ
23.8%
obesity in the countyⓘ
8.5%
diagnosed diabetes (PLACES)
4.9%
coronary heart disease (PLACES)
—
median age · — below poverty (ACS)
01 · Admissions
What it billed Medicare, by admission type
Average charge submitted and average total payment per discharge, 2024. Rows under 11 discharges are suppressed by CMS. The last column is the hospital's ratio against its state's for the same admission.
DRG
Admission
Discharges
Charge
Paid
Billed ÷ paid
871
Septicemia or severe sepsis without mv >96 hours with mcc
243
$33,071
$20,674
1.6× st 2.3×
291
Heart failure and shock with mcc
124
$23,642
$13,643
1.7× st 2.3×
280
Acute myocardial infarction, discharged alive with mcc
99
$27,034
$17,080
1.6× st 2.5×
177
Respiratory infections and inflammations with mcc
93
$23,765
$17,409
1.4× st 2.3×
193
Simple pneumonia and pleurisy with mcc
79
$20,704
$13,695
1.5× st 2.2×
378
Gastrointestinal hemorrhage with cc
56
$24,099
$10,522
2.3× st 2.6×
392
Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc
56
$16,085
$8,673
1.9× st 2.5×
689
Kidney and urinary tract infections with mcc
55
$20,141
$12,312
1.6× st 2.3×
641
Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes without mcc
51
$16,696
$8,530
2.0× st 2.4×
470
Major hip and knee joint replacement or reattachment of lower extremity without mcc
45
$26,689
$19,315
1.4× st 2.4×
682
Renal failure with mcc
40
$23,735
$15,265
1.6× st 2.3×
190
Chronic obstructive pulmonary disease with mcc
38
$22,710
$11,923
1.9× st 2.2×
698
Other kidney and urinary tract diagnoses with mcc
37
$26,981
$17,293
1.6× st 2.3×
690
Kidney and urinary tract infections without mcc
32
$16,163
$8,764
1.8× st 2.4×
377
Gastrointestinal hemorrhage with mcc
30
$32,674
$18,754
1.7× st 2.7×
065
Intracranial hemorrhage or cerebral infarction with cc or tpa in 24 hours
28
$20,385
$10,998
1.9× st 2.8×
322
Percutaneous cardiovascular procedures with intraluminal device without mcc
28
$54,089
$18,814
2.9× st 4.0×
603
Cellulitis without mcc
28
$16,748
$9,560
1.8× st 2.1×
683
Renal failure with cc
27
$16,725
$9,575
1.7× st 2.2×
312
Syncope and collapse
27
$23,821
$12,576
1.9× st 2.6×
481
Hip and femur procedures except major joint with cc
27
$33,177
$21,714
1.5× st 2.7×
640
Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes with mcc
26
$25,721
$14,909
1.7× st 2.4×
178
Respiratory infections and inflammations with cc
26
$17,171
$10,347
1.7× st 2.6×
267
Endovascular cardiac valve replacement and supplement procedures without mcc
24
$111,020
$49,231
2.3× st 2.6×
872
Septicemia or severe sepsis without mv >96 hours without mcc
23
$18,941
$11,142
1.7× st 2.4×
391
Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
23
$20,617
$13,664
1.5× st 2.5×
812
Red blood cell disorders without mcc
22
$22,100
$9,945
2.2× st 2.7×
309
Cardiac arrhythmia and conduction disorders with cc
22
$13,652
$8,167
1.7× st 2.5×
064
Intracranial hemorrhage or cerebral infarction with mcc
21
$25,654
$17,493
1.5× st 2.6×
330
Major small and large bowel procedures with cc
20
$34,082
$24,317
1.4× st 2.7×
897
Alcohol, drug abuse or dependence without rehabilitation therapy without mcc
20
$19,155
$9,414
2.0× st 2.1×
552
Medical back problems without mcc
19
$20,548
$10,717
1.9× st 2.4×
281
Acute myocardial infarction, discharged alive with cc
19
$18,578
$9,729
1.9× st 3.2×
853
Infectious and parasitic diseases with o.r. procedures with mcc
19
$71,201
$55,270
1.3× st 2.4×
389
Gastrointestinal obstruction with cc
18
$14,784
$8,776
1.7× st 2.5×
563
Fracture, sprain, strain and dislocation except femur, hip, pelvis and thigh without mcc
17
$16,936
$9,831
1.7× st 2.3×
637
Diabetes with mcc
17
$24,912
$15,338
1.6× st 2.5×
287
Circulatory disorders except ami, with cardiac catheterization without mcc
17
$21,671
$11,329
1.9× st 3.7×
194
Simple pneumonia and pleurisy with cc
17
$20,693
$9,199
2.2× st 2.4×
394
Other digestive system diagnoses with cc
17
$13,573
$10,590
1.3× st 2.6×
057
Degenerative nervous system disorders without mcc
17
$18,714
$13,597
1.4× st 2.4×
643
Endocrine disorders with mcc
16
$31,319
$17,958
1.7× st 2.5×
308
Cardiac arrhythmia and conduction disorders with mcc
16
$22,544
$13,077
1.7× st 2.6×
644
Endocrine disorders with cc
16
$14,157
$11,328
1.3× st 2.2×
321
Percutaneous cardiovascular procedures with intraluminal device with mcc or 4+ arteries/
16
$82,042
$32,051
2.6× st 3.7×
189
Pulmonary edema and respiratory failure
16
$25,173
$13,561
1.9× st 2.3×
699
Other kidney and urinary tract diagnoses with cc
16
$13,473
$10,731
1.3× st 2.4×
234
Coronary bypass with cardiac catheterization or open ablation without mcc
14
$82,998
$52,297
1.6× st 2.4×
202
Bronchitis and asthma with cc/mcc
14
$18,638
$10,351
1.8× st 2.3×
638
Diabetes with cc
14
$14,092
$9,427
1.5× st 2.4×
175
Pulmonary embolism with mcc or acute cor pulmonale
14
$33,699
$16,005
2.1× st 2.7×
101
Seizures without mcc
14
$20,634
$10,294
2.0× st 2.9×
522
Hip replacement with principal diagnosis of hip fracture without mcc
14
$29,464
$22,054
1.3× st 2.6×
981
Extensive o.r. procedures unrelated to principal diagnosis with mcc
13
$76,453
$49,609
1.5× st 2.8×
286
Circulatory disorders except ami, with cardiac catheterization with mcc
13
$33,667
$22,645
1.5× st 3.3×
543
Pathological fractures and musculoskeletal and connective tissue malignancy with cc
13
$17,400
$11,380
1.5× st 2.6×
536
Fractures of hip and pelvis without mcc
13
$15,095
$8,670
1.7× st 2.2×
236
Coronary bypass without cardiac catheterization without mcc
12
$56,886
$39,281
1.4× st 2.4×
329
Major small and large bowel procedures with mcc
12
$56,345
$42,060
1.3× st 2.4×
870
Septicemia or severe sepsis with mv >96 hours
12
$98,621
$66,368
1.5× st 2.6×
191
Chronic obstructive pulmonary disease with cc
11
$11,857
$8,849
1.3× st 2.4×
149
Dysequilibrium
11
$14,576
$7,934
1.8× st 2.6×
480
Hip and femur procedures except major joint with mcc
11
$45,859
$30,405
1.5× st 2.6×
02 · Outpatient
Outpatient services
Comprehensive APCs, Medicare's outpatient payment groups: submitted charge against what Medicare allowed, per service.
APC
Service
Services
Charge
Allowed
Billed ÷ allowed
8011
Comprehensive Observation Services
516
$8,177
$2,923
2.8×
5072
Level 2 Excision/ Biopsy/ Incision and Drainage
236
$6,621
$1,732
3.8×
5191
Level 1 Endovascular Procedures
159
$8,723
$3,475
2.5×
5302
Level 2 Upper GI Procedures
107
$6,684
$2,015
3.3×
5373
Level 3 Urology and Related Services
103
$5,420
$2,187
2.5×
5114
Level 4 Musculoskeletal Procedures
99
$8,560
$7,621
1.1×
5113
Level 3 Musculoskeletal Procedures
90
$4,947
$3,452
1.4×
5431
Level 1 Nerve Procedures
81
$3,158
$2,074
1.5×
5361
Level 1 Laparoscopy and Related Services
71
$9,230
$6,153
1.5×
5213
Level 3 Electrophysiologic Procedures
70
$68,039
$25,436
2.7×
5115
Level 5 Musculoskeletal Procedures
64
$18,235
$13,915
1.3×
5362
Level 2 Laparoscopy and Related Services
60
$13,713
$11,043
1.2×
5091
Level 1 Breast/Lymphatic Surgery and Related Procedures
55
$12,037
$4,094
2.9×
5112
Level 2 Musculoskeletal Procedures
51
$4,788
$1,699
2.8×
5183
Level 3 Vascular Procedures
51
$14,493
$3,423
4.2×
5414
Level 4 Gynecologic Procedures
48
$4,545
$3,269
1.4×
5341
Level 1 Abdominal/Peritoneal/Biliary and Related Procedures
47
$6,232
$3,716
1.7×
5491
Level 1 Intraocular Procedures
47
$4,572
$2,418
1.9×
5193
Level 3 Endovascular Procedures
46
$42,481
$11,800
3.6×
5415
Level 5 Gynecologic Procedures
42
$7,160
$5,342
1.3×
5313
Level 3 Lower GI Procedures
41
$8,640
$3,014
2.9×
5374
Level 4 Urology and Related Services
41
$6,265
$3,653
1.7×
5375
Level 5 Urology and Related Services
40
$11,043
$5,488
2.0×
5116
Level 6 Musculoskeletal Procedures
40
$31,690
$19,966
1.6×
5222
Level 2 Pacemaker and Similar Procedures
33
$22,739
$9,120
2.5×
5073
Level 3 Excision/ Biopsy/ Incision and Drainage
31
$6,928
$3,052
2.3×
5092
Level 2 Breast/Lymphatic Surgery and Related Procedures
26
$15,414
$7,003
2.2×
5223
Level 3 Pacemaker and Similar Procedures
26
$22,365
$11,454
2.0×
5192
Level 2 Endovascular Procedures
25
$17,626
$6,138
2.9×
5182
Level 2 Vascular Procedures
20
$6,264
$1,720
3.6×
5154
Level 4 Airway Endoscopy
17
$7,559
$4,022
1.9×
5464
Level 4 Neurostimulator and Related Procedures
11
$39,824
$23,431
1.7×
5094
Level 4 Breast/Lymphatic Surgery and Related Procedures
—
—
—
—
5093
Level 3 Breast/Lymphatic Surgery and Related Procedures
—
—
—
—
5416
Level 6 Gynecologic Procedures
—
—
—
—
5432
Level 2 Nerve Procedures
—
—
—
—
5224
Level 4 Pacemaker and Similar Procedures
—
—
—
—
5462
Level 2 Neurostimulator and Related Procedures
—
—
—
—
5463
Level 3 Neurostimulator and Related Procedures
—
—
—
—
5627
Level 7 Radiation Therapy
—
—
—
—
5194
Level 4 Endovascular Procedures
—
—
—
—
5153
Level 3 Airway Endoscopy
—
—
—
—
5184
Level 4 Vascular Procedures
—
—
—
—
5231
Level 1 ICD and Similar Procedures
—
—
—
—
5232
Level 2 ICD and Similar Procedures
—
—
—
—
5303
Level 3 Upper GI Procedures
—
—
—
—
5165
Level 5 ENT Procedures
—
—
—
—
5331
Complex GI Procedures
—
—
—
—
5164
Level 4 ENT Procedures
—
—
—
—
5342
Level 2 Abdominal/Peritoneal/Biliary and Related Procedures
—
—
—
—
5163
Level 3 ENT Procedures
—
—
—
—
5155
Level 5 Airway Endoscopy
—
—
—
—
5372
Level 2 Urology and Related Services
—
—
—
—
5461
Level 1 Neurostimulator and Related Procedures
—
—
—
—
Sources for this hospital
the files read, as fetched — not our copy of them- MUP_INP_RY26_P03_V10_DY24_PrvSvc.CSV · 38.0M bytes · fetched 2026-08-21 · sha256 2ab6da15be4c… · publisher's page · public domain (US federal)
- MUP_OUT_RY26_P04_V10_DY24_Prov_Svc.csv · 28.1M bytes · fetched 2026-08-21 · sha256 f293918edbf6… · publisher's page · public domain (US federal)
- chsp-hospital-linkage-2023.csv · 1.5M bytes · fetched 2026-08-21 · sha256 a86146f10c8d… · publisher's page · public; cite AHRQ Compendium of U.S. Health Systems
- 2020 ZCTA to County relationship file · US Census Bureau · 2020tab20_zcta520_county20_natl.txt · 6.8M bytes · fetched 2026-08-21 · sha256 3ed41278d637… · publisher's page · public domain (US federal)
Every figure on this page is computed from these files by pipeline/prices/; the same rows are in the API.
Source rows for this hospital as JSON: inpatient · outpatient. CMS, Medicare Inpatient and Outpatient Hospitals by Provider and Service, 2024.