| Business | Phone |
| St John Health Patient Billing 22101 Moross Rd, Grosse Pointe 48236 | (586) 753-0200 |
| Natural Health Clinic 20825 Mack Ave, Grosse Pointe 48236 | (586) 563-1000 |
| Arete Therapeutic Wellness Spa 20559 Mack Ave, Grosse Pointe 48236 | (313) 423-0087 |
| Great Lakes Imaging Svc 1984 Lennon St, Grosse Pointe 48236 | (313) 885-4943 |
| Lakeside Oxygen Supply Inc 19650 Harper Ave, Grosse Pointe 48236 | (313) 647-0227 |
| St John Hospital Pacemaker Svc 22151 Moross Rd, Grosse Pointe 48236 | (313) 885-0640 |