| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| TAYLOR Q O'BRIEN DVM | Business | 39*****44 | CHICAGO | ACTIVE | Verify |
| TAYLOR Q O'BRIEN DVM | Business | 090010386 | CHICAGO | ACTIVE | Verify |
| TERRANCE E O'BRIEN II DVM | Business | 39*****40 | PLEASANT PLAINS | NOT RENEWED | Verify |
| TERRANCE E O'BRIEN II DVM | Business | 39*****18 | PETERSBURG | ACTIVE | Verify |
| TERRANCE E O'BRIEN II DVM | Business | 39*****59 | PLEASANT PLAINS | ACTIVE | Verify |
| TERRANCE E O'BRIEN II DVM | Business | 090007912 | PETERSBURG | ACTIVE | Verify |
| ASHLEY J O'CONNELL DVM | Business | 090013598 | CHICAGO | ACTIVE | Verify |
| ASHLEY J O'CONNELL DVM | Business | 39*****55 | OAK BROOK | ACTIVE | Verify |
| SUSAN E O'CONNELL | Business | 095000414 | CHANNAHON | INACTIVE | Verify |
| BARBARA C O'CONNOR | Business | 095001624 | PALOS HEIGHTS | ACTIVE | Verify |
| CHAD E O'CONNOR | Business | 39*****39 | HILLSBORO | ACTIVE | Verify |
| CHAD E O'CONNOR | Business | 090011700 | EDINBURG | ACTIVE | Verify |
| JAYMA TOURVILLE O'CONNOR DVM | Business | 39*****43 | MINOOKA | ACTIVE | Verify |
| JAYMA TOURVILLE O'CONNOR DVM | Business | 090008008 | MINOOKA | ACTIVE | Verify |
| LAUREN R O'CONNOR | Business | 39*****67 | CHICAGO | NOT RENEWED | Verify |
| LAUREN R O'CONNOR | Business | 090010156 | CHICAGO | NOT RENEWED | Verify |
| MATTHEW R O'CONNOR | Business | 090009703 | CHICAGO | NOT RENEWED | Verify |
| MATTHEW R O'CONNOR | Business | 39*****81 | CHICAGO | NOT RENEWED | Verify |
| RILEY J O'DAY | Business | 095004037 | CHICAGO | NOT RENEWED | Verify |
| MICHELLE ANN O'GARA DVM | Business | 39*****71 | CARPENTERSVILLE | NOT RENEWED | Verify |
| JENNIFER VERA O'HANLON DVM | Business | 39*****20 | ORION | ACTIVE | Verify |
| ANN CATHERINE O'KEEFE DVM | Business | 39*****70 | LINCOLNSHIRE | NOT RENEWED | Verify |
| ANN CATHERINE O'KEEFE DVM | Business | 090008890 | LINCOLNSHIRE | ACTIVE | Verify |
| CYNTHIA DIANE O'KEEFE DVM | Business | 39*****09 | SPRINGFIELD | NOT RENEWED | Verify |
| CYNTHIA DIANE O'KEEFE DVM | Business | 090004763 | SPRINGFIELD | NOT RENEWED | Verify |
| JOHN MICHAEL O'KEEFE DVM | Business | 090004531 | SPRINGFIELD | NOT RENEWED | Verify |
| JOHN MICHAEL O'KEEFE DVM | Business | 39*****12 | CURRAN | NOT RENEWED | Verify |
| OLIVIA JEAN O'LEARY | Business | 095014452 | BLUE ISLAND | ACTIVE | Verify |
| RACHEL ANN O'LONE | Business | 095003490 | ODELL | ACTIVE | Verify |
| JOHN RICHARD O'MALLEY | Business | 39*****40 | LAKE FOREST | CANCELLED | Verify |
| JOHN RICHARD O'MALLEY | Business | 090003567 | OHIO | NOT RENEWED | Verify |
| KAITLIN D O'MALLEY | Business | 095004040 | OAK FOREST | ACTIVE | Verify |
| ERIN NICOLE O'NEIL DVM | Business | 39*****04 | CHICAGO | ACTIVE | Verify |
| ERIN NICOLE O'NEIL DVM | Business | 090012651 | CHICAGO | ACTIVE | Verify |
| ANNE M O'NEILL | Business | 095004033 | LOMBARD | ACTIVE | Verify |
| CHRISTINA COLLEEN O'NEILL DVM | Business | 39*****53 | MACOMB | NOT RENEWED | Verify |
| CHRISTINA COLLEEN O'NEILL DVM | Business | 090011405 | MACOMB | NOT RENEWED | Verify |
| EMILY M O'REILLY | Business | 39*****96 | ELMHURST | ACTIVE | Verify |
| EMILY M O'REILLY | Business | 090012247 | ELMHURST | ACTIVE | Verify |
| COLLEEN O'ROURKE DVM | Business | 090007672 | PEKIN | ACTIVE | Verify |
| COLLEEN O'ROURKE DVM | Business | 39*****84 | PEKIN | ACTIVE | Verify |
| YVONNE M O'ROURKE | Business | 39*****76 | ORLAND PARK | ACTIVE | Verify |
| YVONNE M O'ROURKE | Business | 090014094 | ORLAND PARK | ACTIVE | Verify |
| MEGAN KATHLEEN OAKLEY | Business | 095003585 | LE ROY | ACTIVE | Verify |
| SARAH MAE OATES DVM | Business | 090012003 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| SARAH MAE OATES DVM | Business | 39*****09 | NAPERVILLE | NOT RENEWED | Verify |
| SYDNEY M OATES | Business | 095004109 | HOMER | ACTIVE | Verify |
| REBECCA ARIEL OBER DVM | Business | 39*****89 | CHICAGO | ACTIVE | Verify |
| REBECCA ARIEL OBER DVM | Business | 090013399 | CHICAGO | ACTIVE | Verify |
| LEWIS T OBERHEIM | Business | N/A | ELIZABETH | DECEASED | Verify |