Dr. Charles F. Knapp III, MD

Dr. Knapp practices at Dermatology Institute and Skin Cancer Center in The Villages, Florida.

Dr. Knapp's NPI, 1023246527, was assigned on June 24, 2009. Dr. Knapp graduated from USF Health Morsani College of Medicine in 2009. Dr. Knapp holds Florida license ME113504.

Dr. Knapp's primary practice is Dermatology Institute and Skin Cancer Center, at 2783 Brownwood Blvd, The Villages, FL 32163 in Sumter County. The practice phone is (352) 834-7546.

Dr. Knapp's primary practice is Dermatology Institute and Skin Cancer Center in The Villages, Florida. The medical group on file is Alliant Dermatology. Dmand AI also links Dr. Knapp to 1 more group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knapp practices. Vendor and product names are available with a free account.

Mohs-micrographic surgery is Dr. Knapp's primary specialty in the NPI Registry, under taxonomy code 207ND0101X. Dr. Knapp is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Knapp's licenses on file in 2 states: Florida and Alabama.

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, cold sores or genital herpes, contact dermatitis, corns and calluses and hives among the conditions Dr. Knapp treats.

CMS data shows 9,359 Medicare services from Dr. Knapp across 33 procedure codes in 2024, for 1,554 Medicare patients. Medicare paid $708,616 for them. Every service was in an office.

CMS counts 1,554 Medicare patients who saw Dr. Knapp in 2024. The largest group is 65 to 74, with 723 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.14, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Knapp's median patient age at 76, with 43% women.

In 2024, Dr. Knapp wrote 851 Medicare Part D claims for 414 patients. 88% of them were for generic drugs. CMS names the drug for 715 of them, across 17 drugs with 11 or more claims each, at $281,474 in total drug cost. In 2023, CMS named 764 claims across 18 drugs.

Dr. Knapp accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 806 procedures of skin biopsy by Dr. Knapp, more than 98% of the clinicians it reports for that procedure.

Dmand AI links 7 papers to Dr. Knapp in 2008. The most frequent topics are Immunohistochemistry, Skin Neoplasms and Dermatitis, Contact. Dr. Knapp has published most often in Am J Dermatopathol. Dr. Knapp's most frequent co-authors are Jane L. Messina, MD, Marilyn Yuanxin Ma Bui, MD and Craig A. Elmets, MD.

CMS Open Payments shows 324 general payments to Dr. Knapp from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Novartis Pharmaceuticals Corporation paid the most, $1,507.

Dr. Knapp graduated from USF Health Morsani College of Medicine in 2009. Dr. Knapp is a member of AAD and AMA.

Dr. Knapp is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.