PROVIDER PROFILE · NPI 1396702874
Andrew ChangM.D.
CROSS-REFERENCE
Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 29 inbound referrers · 59 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Michael Hallenbeck Diagnostic Radiology · Grass Valley, CA | 69 | 160 |
| RICHEY, MARK | 59 | 119 |
| Kuldip Gill Internal Medicine · Grass Valley, CA | 47 | 238 |
| John Hagele Ophthalmology · Grass Valley, CA | 33 | 56 |
| WESTERN SIERRA MEDICAL CLINIC, INC. | 32 | 63 |
| John Lace Internal Medicine · Grass Valley, CA | 32 | 91 |
| Michael Mccormick Allergy/ Immunology · Grass Valley, CA | 31 | 113 |
| Matthew Zealear Ophthalmology · Grass Valley, CA | 31 | 39 |
| Heather Lucas Ross Family Practice · Hartford, CT | 28 | 57 |
| Neva Monigatti Lake Family Practice · Grass Valley, CA | 24 | 63 |
| LOWE, ROBERT | 22 | 59 |
| AGNESS, MELISA | 19 | 36 |
| Physician | Patients | Visits |
|---|---|---|
| Sierra Endoscopy Center, Llc Ambulatory Surgical Center · Grass Valley, CA | 415 | 872 |
| SIERRA NEVADA MEMORIAL-MINERS HOSPITAL | 410 | 1,343 |
| GILLES, WILLIAM | 331 | 651 |
| RICHEY, MARK | 74 | 166 |
| David Palmer Diagnostic Radiology · Albany, NY | 73 | 189 |
| Robert Crockett Diagnostic Radiology · Lynnwood, WA | 66 | 143 |
| Michael Hallenbeck Diagnostic Radiology · Grass Valley, CA | 62 | 158 |
| Martin Engel Diagnostic Radiology · Red Wing, MN | 54 | 120 |
| Kuldip Gill Internal Medicine · Grass Valley, CA | 51 | 281 |
| Unilab Corporation Clinical Laboratory · Sacramento, CA | 39 | 111 |
| Michael Mccormick Allergy/ Immunology · Grass Valley, CA | 35 | 127 |
| Ryan Smith Cardiology · Grass Valley, CA | 29 | 58 |