HOSPITAL · CCN 230165
ASCENSION ST JOHN HOSPITAL
Physician affiliations & referral network
Affiliated physicians
418
External referring physicians
3,228
Top affiliated specialty
Internal Medicine
Shared beneficiaries (top referrers)
152,211
SPECIALTY MIX
Specialties among affiliated physicians
60
52
32
27
26
20
18
15
13
13
11
10
AFFILIATED PHYSICIANS
Physicians affiliated with ASCENSION ST JOHN HOSPITAL (418 total)
From CMS Physician-Facility Affiliations. Showing the first 50 of 418.
REFERRAL NETWORK
Who refers patients here
External physicians who share patients into this hospital's affiliated providers, ranked by shared Medicare beneficiaries.
| Referring physician | Specialty | Shared beneficiaries |
|---|---|---|
| ASCENSION ST JOHN HOSPITAL | — | 50,245 |
| ASCENSION PROVIDENCE HOSPITAL | — | 16,758 |
| HENRY FORD MACOMB HOSPITAL CORPORATION | — | 12,420 |
| ASCENSION MACOMB OAKLAND HOSPITAL | — | 10,248 |
| Medstar, Inc. | Ambulance Service Provider | 7,919 |
| WILLIAM BEAUMONT HOSPITAL | — | 4,788 |
| Jan Mourelatos | Diagnostic Radiology | 4,710 |
| ASCENSION ST JOHN HOSPITAL | — | 3,846 |
| MCLAREN MACOMB | — | 3,765 |
| HENRY FORD HEALTH SYSTEM | — | 3,531 |
| Nanci Mercer | Diagnostic Radiology | 3,419 |
| Kishan Jasti | Cardiology | 3,172 |
| Biotech Clinical Laboratories Inc | Clinical Laboratory | 3,048 |
| John Kalabat | Diagnostic Radiology | 2,968 |
| City Of Detroit | Ambulance Service Provider | 2,731 |
| Danny Ma | Diagnostic Radiology | 2,709 |
| John Carey | Pathology | 2,023 |
| QUEST DIAGNOSTICS INCORPORATED MI | — | 1,921 |
| City Of St. Clair Shores | Ambulance Service Provider | 1,912 |
| Michael Trpkovski | Diagnostic Radiology | 1,903 |
| Thomas Lalonde | Interventional Cardiology | 1,764 |
| Sundeep Patel | Diagnostic Radiology | 1,694 |
| ASCENSION MACOMB OAKLAND HOSPITAL | — | 1,608 |
| BARBARA ANN KARMANOS CANCER HOSPITAL | — | 1,564 |
| Anjan Kumar | Pulmonary Disease | 1,545 |
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). A directional edge is a proxy for referral, not a documented referral; pairs below 11 shared beneficiaries are suppressed.
CASE MIX
Top procedures by volume
Highest-volume MS-DRGs from CMS inpatient claims (latest reporting year per code).
| MS-DRG | Discharges |
|---|---|
| 871SEPTICEMIA OR SEVERE SEPSIS WITHOUT MV >96 HOURS WITH MCC | 342 |
| 291HEART FAILURE AND SHOCK WITH MCC | 202 |
| 377GASTROINTESTINAL HEMORRHAGE WITH MCC | 83 |
| 189PULMONARY EDEMA AND RESPIRATORY FAILURE | 79 |
| 640MISCELLANEOUS DISORDERS OF NUTRITION, METABOLISM, FLUIDS AND ELECTROLYTES WITH MCC | 75 |
| 853INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITH MCC | 72 |
| 280ACUTE MYOCARDIAL INFARCTION, DISCHARGED ALIVE WITH MCC | 71 |
CROSS-REFERENCE