HOSPITAL · CCN 050300
ST. MARY MEDICAL CENTER
Physician affiliations & referral network
Affiliated physicians
97
External referring physicians
1,093
Top affiliated specialty
Diagnostic Radiology
Shared beneficiaries (top referrers)
13,011
SPECIALTY MIX
Specialties among affiliated physicians
14
12
7
7
6
5
4
4
3
3
3
3
AFFILIATED PHYSICIANS
Physicians affiliated with ST. MARY MEDICAL CENTER (97 total)
From CMS Physician-Facility Affiliations. Showing the first 50 of 97.
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 PROVIDENCE HOSPITAL | — | 1,934 |
| Unilab Corporation | Clinical Laboratory | 1,634 |
| TA, HAN | — | 1,426 |
| David Lebeau | Diagnostic Radiology | 1,128 |
| RIVERSIDE HEALTHCARE SYSTEM, L.P. | — | 773 |
| LIMA MEMORIAL JOINT OPERATING COMPANY | — | 489 |
| Ramin Ashtiani | Cardiology | 481 |
| ASCENSION ST JOHN HOSPITAL | — | 445 |
| OLYMPIA HEALTH CARE LLC | — | 397 |
| PRIME HEALTHCARE SERVICES - GARDEN CITY LLC | — | 376 |
| Jay Shankar | Nephrology | 357 |
| NPI 1255335535 | — | 336 |
| Joe Chauvapun | Vascular Surgery | 321 |
| Ramesh Bambhania | Internal Medicine | 314 |
| Charbel Aoun | Internal Medicine | 277 |
| Pathology Laboratories, Inc. | Clinical Laboratory | 272 |
| SEVENTH-DAY ADVENTISTS LOMA LINDA UNIVERSITY MEDICAL CENTER | — | 271 |
| Gregg Fulmer | Hospitalist | 262 |
| City Of Los Angeles | Ambulance Service Provider | 241 |
| Vir Nanda | Hematology-Oncology | 232 |
| Peter Malek | Diagnostic Radiology | 217 |
| Tung Huynh | Diagnostic Radiology | 212 |
| Erica Pribis | Emergency Medicine | 208 |
| Scott Yochim | Diagnostic Radiology | 204 |
| Laura Murphy | Cardiology | 204 |
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 | 327 |
| 291HEART FAILURE AND SHOCK WITH MCC | 164 |
| 193SIMPLE PNEUMONIA AND PLEURISY WITH MCC | 87 |
| 177RESPIRATORY INFECTIONS AND INFLAMMATIONS WITH MCC | 66 |
| 872SEPTICEMIA OR SEVERE SEPSIS WITHOUT MV >96 HOURS WITHOUT MCC | 51 |
| 698OTHER KIDNEY AND URINARY TRACT DIAGNOSES WITH MCC | 49 |
| 689KIDNEY AND URINARY TRACT INFECTIONS WITH MCC | 47 |
CROSS-REFERENCE