| Certification in Internal Medicine | American Osteopathic Board of Internal Medicine |
| Certification in Nephrology | American Osteopathic Board of Internal Medicine |
| Certification in Hematology | American Osteopathic Board of Internal Medicine |
| Certification in Clinical Cardiac Electrophysiology | American Osteopathic Board of Internal Medicine |
| Certification of Added Qualifications for Interventional Cardiology | American Osteopathic Board of Internal Medicine |
| Internal Medicine / Family Medicine | American Board of Internal Medicine |
| Internal Medicine and Dermatology | American Board of Internal Medicine |
| Internal Medicine / Pediatrics | American Board of Internal Medicine |
| Disaster Medicine | American Board of Physician Specialties |
| Emergency Medicine | American Board of Physician Specialties |
| Multiple Sclerosis Certified Specialist | The Consortium of Multiple Sclerosis Centers |
| ABVM Diplomat - General Exam | American Board of Vascular Medicine |
| Comprehensive Echocardiography | National Board of Echocardiography |
| Family Medicine | American Board of Family Medicine |
| Certified Substance Abuse Program Administrator | Certification Commission for Drug and Alcohol Program Professionals |
| Transplant Hepatology | American Board of Internal Medicine |
| Wound Care Certification | National Alliance of Wound Care |
| Certification in Physical Medicine & Rehabilitation | American Board of Physical Medicine & Rehabilitation |
| Certification in Allergy & Immunology | American Board of Allergy & Immunology |
| Cardiovascular Disease | American Board of Internal Medicine |
| Hematology | American Board of Internal Medicine |
| Adolescent Medicine | American Board of Internal Medicine |
| Infectious Disease | American Board of Internal Medicine |
| Nephrology | American Board of Internal Medicine |
| Certified Independent Medical Examiner | American Board of Independent Medical Examiners |
| Certification in Medical Toxicology | American Osteopathic Board of Emergency Medicine |
| Interventional Cardiology | American Board of Internal Medicine |
| Certified Lymphedema Therapist | Lymphology Association of North America |
| Certified Wound Specialist | American Board of Wound Management |
| Registered Phlebology Sonographer | Cardiovascular Credentialing International |
| Certified Wound Specialist Physician | American Board of Wound Management |
| Certified Physician Investigator | Academy of Clinical Research Professionals |
| Sleep Medicine | American Board of Internal Medicine |
| Geriatric Medicine | American Board of Internal Medicine |
| Certification of Added Qualifications in Hospice and Palliative Medicine | American Osteopathic Board of Family Physicians |
| Certification in Cardiology | American Osteopathic Board of Internal Medicine |
| Certification in Oncology | American Osteopathic Board of Internal Medicine |
| Certification in Gastroenterology | American Osteopathic Board of Internal Medicine |
| Certification in Hospice and Palliative Medicine | American Osteopathic Board of Internal Medicine |
| Emergency Medicine / Internal Medicine | American Board of Internal Medicine |
| Internal Medicine / Emergency Medicine / Critical Care Medicine | American Board of Internal Medicine |
| Internal Medicine / Neurology | American Board of Internal Medicine |
| Internal Medicine / Nuclear Medicine | American Board of Internal Medicine |
| Geriatric Medicine | American Board of Physician Specialties |
| Urgent Care | American Board of Physician Specialties |
| Certification in Phlebology | The American Board of Venous and Lymphatic Medicine |
| Certification for Competency in Cardiac Electrophysiology for the Physician | International Board of Heart Rhythm Examiners |
| ABVM Diplomate Endovascular Exam | American Board of Vascular Medicine |
| Autonomic Disorders Certification | United Council for Neurologic Subspecialties |
| Neuro-Oncology Certification | United Council for Neurologic Subspecialties |
| Critical Care Medicine | American Board of Internal Medicine |
| Sports Medicine | American Board of Internal Medicine |
| Pulmonary Disease | American Board of Internal Medicine |
| Clinical Molecular Genetics | American Board of Medical Genetics and Genomics |
| Certified Hospice Medical Director | American Academy of Hospice and Palliative Medicine |
| Certification in Sports Medicine | American Osteopathic Academy of Sports Medicine |
| Certification in Proctology | American Osteopathic Board of Proctology |
| Certification in Neuromusculoskeletal Medicine & OMM | American Osteopathic Board of Neuromusculoskeletal Medicine |
| Advanced Heart Failure and Transplant Cardiology | American Board of Internal Medicine |
| Certification in Critical Care Medicine | American Osteopathic Board of Anesthesiology |
| Certification in Endocrinology | American Osteopathic Board of Internal Medicine |
| Certification in Pulmonary Disease | American Osteopathic Board of Internal Medicine |
| Certification of Special Qualifications for Rheumatology | American Osteopathic Board of Internal Medicine |
| Certification in Critical Care Medicine | American Osteopathic Board of Internal Medicine |
| Certification in Infectious Disease | American Osteopathic Board of Internal Medicine |
| Certification in Geriatric Medicine | American Osteopathic Board of Internal Medicine |
| Internal Medicine / Physical Medicine and Rehabilitation | American Board of Internal Medicine |
| Internal Medicine | American Board of Physician Specialties |
| Board Certified in Neurofeedback | Biofeedback Certification International Alliance |
| Technician Certification in Biofeedback | Biofeedback Certification International Alliance |
| Musculoskeletal Ultrasound Certification in Rheumatology | American College of Rheumatology |
| Certified Professional in Healthcare Quality | National Association for Healthcare Quality |
| Certified Colon Hydrotherapist | National Board for Colon Hydrotherapy |
| Endocrinology, Diabetes & Metabolism | American Board of Internal Medicine |
| Gastroenterology | American Board of Internal Medicine |
| Hospice and Palliative Medicine | American Board of Internal Medicine |
| Diplomate of the American Board of Bariatric Medicine | American Board of Obesity Medicine |
| Certification for Competency in Cardiac Rhythm Device Therapy for the Physician | International Board of Heart Rhythm Examiners |
| Transthoracic 2-D and Doppler Echocardiography | National Board of Echocardiography |
| Transthoracic plus Transesophageal Echocardiography | National Board of Echocardiography |
| Transthoracic plus Stress Echocardiography | National Board of Echocardiography |
| Headache Medicine Certification | United Council for Neurologic Subspecialties |
| Neurocritical Care Certification | United Council for Neurologic Subspecialties |
| Diplomate of Medical Microbiology | American Board of Medical Microbiology |
| Board Certified in Urgent Care Medicine | American Board of Urgent Care Medicine |
| Undersea and Hyperbaric Medicine | American Board of Emergency Medicine |
| Internal Medicine | American Board of Internal Medicine |
| Clinical Cardiac Electrophysiology | American Board of Internal Medicine |
| Clinical Biochemical Genetics | American Board of Medical Genetics and Genomics |
| Medical Oncology | American Board of Internal Medicine |
| Clinical Cytogenetics and Genomics | American Board of Medical Genetics and Genomics |
| Rheumatology | American Board of Internal Medicine |
| Infection Control Certification | Certification Board of Infection Control and Epidemiology, Inc. |
| Certification in Osteopathic Emergency Medicine | American Osteopathic Board of Emergency Medicine |
| Medical Review Officer Certification | American Association of Medical Review Officers |
| Internal Medicine / Preventive Medicine | American Board of Internal Medicine |
| Internal Medicine / Psychiatry | American Board of Internal Medicine |
| Certification in Cardiology Medicine | American Osteopathic Board of Internal Medicine |
