| Cardiology | CVCA Cardiac Care for Pets | Hunt Valley, Annapolis, Gaithersburg | 410-339-3461, 410-224-0039, 240-361-3820 |
| Dentistry | Animal Dental Center | Columbia, Towson, Annapolis | 410-828-1001 (Ext. 1→2 / 1→3 / 1→1) |
| Center for Veterinary Dentistry & Oral Surgery | Gaithersburg | 301-990-9460 |
| Dermatology | Thrive Dermatology for Animals | Catonsville | 443-901-5119 |
| Animal Dermatology Clinic of Baldwin | Baldwin | 410-593-9929 |
| Veterinary Referral Associates | Gaithersburg | 301-215-3218 |
| Internal Medicine | Atlantic Veterinary Internal Medicine & Oncology | Hunt Valley, Columbia | 410-828-0911, 410-441-3304 |
| Dogs and Cats Emergency & Specialty | Bowie | 301-809-8800 |
| Veterinary Referral Associates | Gaithersburg | 301-215-3218 |
| Neurology | Veterinary Referral Associates | Gaithersburg | 301-215-3218 |
| Veterinary Neuro & Imaging of the Chesapeake | Hunt Valley | 410-828-0911 ext. 5 |
| Dogs and Cats Emergency & Specialty | Bowie | 301-809-8800 |
| Compass Veterinary Neurology & Imaging | Annapolis | 410-224-0121 |
| Oncology | Atlantic Veterinary Internal Medicine & Oncology | Hunt Valley, Annapolis | 410-828-0911, 410-224-0121 |
| Veterinary Referral Associates | Gaithersburg | 301-926-3300 |
| Dogs and Cats Emergency & Specialty | Bowie | 301-809-8800 |
| Veterinary Radiation Oncology of the Chesapeake | Annapolis | 443-458-5657 |
| Ophthalmology | Thrive Eye Care for Animals | Columbia, Cockeysville | 301-362-5252, 410-317-4488 |
| Veterinary Referral Associates | Gaithersburg | 301-926-3300 |
| Animal Eye Care Center | Gaithersburg | 301-990-6373 |
| Orthopedics | Veterinary Orthopedic & Sports Medicine (Thrive) | Annapolis Junction | 240-219-8758 |
| Chesapeake Veterinary Surgical Specialists | Hunt Valley, Annapolis | 410-828-0911, 410-224-0121 |
| Skylos Sports Medicine | Woodstock | 410-465-2428 |
| Fusion VeterinaHomeVets in partnership with Mobile Veterinary Surgery Orthopedics | Ellicott City | 410-715-8900 |
| Fusion Veterinary Orthopedics | Lanham | 301-778-7781 |
| Radioactive Thyroid Treatment | Radiocat | Catonsville | 800-323-9729 |