PROVIDER PROFILE · NPI 1023091857
Darrin JohnsonM.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). 238 inbound referrers · 539 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| THE HEALTH CARE AUTHORITY OF THE CITY OF HUNTSVILLE | 1,745 | 3,721 |
| HUNTSVILLE EMERGENCY MEDICAL SERVICES, INC. | 534 | 1,094 |
| CRESTWOOD HEALTHCARE LP | 323 | 495 |
| Timothy Baker Diagnostic Radiology · Huntsville, AL | 261 | 513 |
| Shi-Chi Cheng Cardiology · Huntsville, AL | 256 | 562 |
| Tangayi Githu Diagnostic Radiology · Saint Louis, MO | 254 | 581 |
| Muhammad Khan Cardiology · Huntsville, AL | 236 | 516 |
| Richard Coleman Diagnostic Radiology · Huntsville, AL | 219 | 523 |
| Michael Smith Diagnostic Radiology · Huntsville, AL | 213 | 434 |
| Paul Fry Diagnostic Radiology · Huntsville, AL | 204 | 405 |
| Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL | 198 | 289 |
| John Collins Diagnostic Radiology · Huntsville, AL | 195 | 362 |
| Physician | Patients | Visits |
|---|---|---|
| THE HEALTH CARE AUTHORITY OF THE CITY OF HUNTSVILLE | 2,110 | 4,407 |
| HUNTSVILLE EMERGENCY MEDICAL SERVICES, INC. | 768 | 1,764 |
| Roderick Zalamea Diagnostic Radiology · Huntsville, AL | 382 | 756 |
| Muhammad Khan Cardiology · Huntsville, AL | 344 | 662 |
| Shi-Chi Cheng Cardiology · Huntsville, AL | 337 | 638 |
| Joseph Scales Diagnostic Radiology · Huntsville, AL | 326 | 1,020 |
| Alfred Malone Diagnostic Radiology · Huntsville, AL | 317 | 688 |
| Michael Smith Diagnostic Radiology · Huntsville, AL | 279 | 735 |
| Timothy Baker Diagnostic Radiology · Huntsville, AL | 276 | 436 |
| Tangayi Githu Diagnostic Radiology · Saint Louis, MO | 268 | 491 |
| Stephanie Jiminez Diagnostic Radiology · Huntsville, AL | 267 | 622 |
| Robert Suber Diagnostic Radiology · Huntsville, AL | 261 | 502 |