Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
Find Mr. Grennan's expertise for a condition
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- Elite
- Anal CancerMr. Grennan isElite. Learn about Anal Cancer.
- SyphilisMr. Grennan isElite. Learn about Syphilis.
- Advanced
- ChlamydiaMr. Grennan isAdvanced. Learn about Chlamydia.
- Genital WartsMr. Grennan isAdvanced. Learn about Genital Warts.
- GonorrheaMr. Grennan isAdvanced. Learn about Gonorrhea.
- HIV/AIDSMr. Grennan isAdvanced. Learn about HIV/AIDS.
- Human Papillomavirus InfectionMr. Grennan isAdvanced. Learn about Human Papillomavirus Infection.
- Lymphogranuloma VenereumMr. Grennan isAdvanced. Learn about Lymphogranuloma Venereum.
- Experienced
- Colorectal CancerMr. Grennan isExperienced. Learn about Colorectal Cancer.
- COVID-19Mr. Grennan isExperienced. Learn about COVID-19.
- ProctitisMr. Grennan isExperienced. Learn about Proctitis.
- Severe Acute Respiratory Syndrome (SARS)Mr. Grennan isExperienced. Learn about Severe Acute Respiratory Syndrome (SARS).
- Squamous Cell Carcinoma of the Anal Canal (SCAC)
- TrichomoniasisMr. Grennan isExperienced. Learn about Trichomoniasis.
- Vulvar CancerMr. Grennan isExperienced. Learn about Vulvar Cancer.
- WartsMr. Grennan isExperienced. Learn about Warts.
View All 8 Experienced Conditions
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