PROVIDER PROFILE · NPI 1396716163
John GrollM.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). 48 inbound referrers · 82 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| MISSOURI BAPTIST MEDICAL CENTER | 178 | 382 |
| MISSOURI BAPTIST HOSPITAL OF SULLIVAN | 142 | 665 |
| MISSOURI BAPTIST HOSPITAL OF SULLIVAN | 59 | 166 |
| Brett Prywitch Diagnostic Radiology · Chester, IL | 49 | 139 |
| Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Maryland Heights, MO | 43 | 76 |
| MOSHER, AMY | 41 | 68 |
| NIEMEYER, JOHN | 40 | 69 |
| NPI 1407879562 | 40 | 71 |
| Shiraz Daud Pulmonary Disease · Saint Louis, MO | 38 | 90 |
| Joseph Molnar Family Practice · Chester, IL | 33 | 229 |
| Lisa Lowry-Rohlfing Family Practice · Chester, IL | 33 | 186 |
| Medstar Ambulance Inc Ambulance Service Provider · Sparta, IL | 32 | 66 |
| Physician | Patients | Visits |
|---|---|---|
| MISSOURI BAPTIST MEDICAL CENTER | 163 | 466 |
| MEMORIAL HOSPITAL | 157 | 896 |
| MISSOURI BAPTIST HOSPITAL OF SULLIVAN | 97 | 303 |
| Labone Llc Clinical Laboratory · Lenexa, KS | 69 | 143 |
| Shiraz Daud Pulmonary Disease · Saint Louis, MO | 63 | 188 |
| Douglas Curry Diagnostic Radiology · Saint Louis, MO | 60 | 131 |
| ENGELS, JOHN | 51 | 106 |
| Christine Osmon Diagnostic Radiology · Saint Louis, MO | 50 | 79 |
| CHESTER MEDICAL GROUP, LLC | 50 | 142 |
| NPI 1407879562 | 49 | 111 |
| James Krieg Family Practice · Chester, IL | 48 | 207 |
| Nadeem Ahmed Pulmonary Disease · Saint Louis, MO | 47 | 304 |